Amphibians beginning with B

Bainskloof Moss Frog - The Bainskloof Moss Frog is a species of frog in the Petropedetidae family. It is endemic to South Africa. Its natural habitats are Mediterranean-type shrubby vegetation and rivers. It is threatened by habitat loss.

Balkan Crested Newt - The Southern Crested Newt is a terrestrial European newt. It is similar to the Great Crested Newt except larger and more robust.

Balkan Stream Frog - The Greek Stream Frog or simply Greek Frog is a species of frog in the Ranidae family. It is found in Albania, Bosnia and Herzegovina, Bulgaria, Greece, Macedonia, Serbia and Montenegro, and possibly Turkey. Its natural habitats are temperate forests, temperate grassland, rivers, intermittent rivers, freshwater springs, and pastureland. It is not considered threatened by the IUCN.

Balkan Water Frog - The Balkan Frog is a species of frog occurring in Greece and, to a lesser extent, in Albania, Montenegro, and Serbia. The species highly resembles Pelophylax ridibundus, from which it was only distinguished in 1991 by bio-acoustic analysis. The separation of the species is not unanimously accepted.

Banahao forest frog - Its natural habitats are subtropical or tropical moist lowland forests and subtropical or tropical moist montanes. It is threatened by habitat loss.

Banded Banana Frog - The Banded Banana Frog is a species of frog in the Hyperoliidae family. It is found in Ivory Coast, Ghana, Guinea, Liberia, and Sierra Leone. Its natural habitats are moist savanna, swamps, freshwater marshes, intermittent freshwater marches, plantations , rural gardens, and heavily degraded former forest. It is threatened by habitat loss.

Banded bullfrog - This frog is native of South East Asia, and usually lives on the forest floor, in rice fields, and even inside homes. These frogs are voracious eaters, and will eat flies, crickets, moths, grasshoppers, earthworms and more. Painted frogs hide under leaf litter during the day hours and eat in the evening.

Banded Rubber Frog - The Banded Rubber Frog is a species of frog in the Microhylidae family. It is found in Angola, Botswana, Democratic Republic of the Congo, Kenya, Malawi, Mozambique, Namibia, Somalia, South Africa, Swaziland, Tanzania, Zambia, and Zimbabwe. Its natural habitats are dry savanna, moist savanna, subtropical or tropical dry shrubland, subtropical or tropical moist shrubland, subtropical or tropical dry lowland grassland, subtropical or tropical seasonally wet or flooded lowland grassland, subtropical or tropical high-altitude grassland, intermittent freshwater lakes, intermittent freshwater marshes, arable land, pastureland, water storage areas, ponds, and canals and ditches.

Banded Stream Frog - Its natural habitats are temperate forests, Mediterranean-type shrubby vegetation, rivers, and swamps. It is threatened by habitat loss.

Banjo Frog, Pobblebonk, Sand Frog, Western Bullfrog - A large frog in the Myobatrachidae family, it has sturdy limbs and a head that is triangular. Females are up to 87 mm long, the males are no bigger than 75 mm. The frog is grey or brownish-olive coloured, with irregular blotches and marbling of a very dark or black colour. The markings are large on the upper surface and smaller at the legs and face. A wide and dark stripe appears across the eye and extends to the fore limb. The underside is pale, white or yellowish, and smooth. The upper surface is also smooth, or may be slightly warty. A large oval bump, the tibial gland, is located on the upper calf of the hind leg. The toes are very slightly webbed, the second toe is perhaps a little longer than the first. The groin area is reddish to bright red, this distinguishes the western species from the otherwise similar Limnodynastes dumerilii .

Barking Frog - The Barking Frog is a species of frog in the Leptodactylidae family. It is found in Mexico and the United States. Its natural habitats are temperate forests, subtropical or tropical dry forests, temperate shrubland, subtropical or tropical dry shrubland, and temperate desert.

Barking Frog, Barking Marsh Frog, Long-thumbed Frog - The Long-thumbed Frog is a medium sized frog reaching about 50 mm in length. It is grey or brown with abnormal shaped darker patches or irregular spots, and in most individuals a butterfly-shaped patch between the eyes. There is normally a red or purplish patch above the eye. It is similar in many respects to the Spotted Grass Frog from which it can be distinguished by the larger irregular shaped blotches. The belly is white. The tympanum is indistinct.

Barking treefrog - The barking tree frog burrows in the sand, especially when the temperature is hot. It also spends time high up in trees, especially during the day when it is less active. It breeds in shallow pools or ponds from March to August. It is a polygynous species, the female choosing the male on the basis of his call. Tadpoles can be nearly 5 centimetres in length.

Baron's Mantella - Mantella baroni is a species of frog in the Mantellidae family. It is endemic to Madagascar. Its natural habitats are subtropical or tropical moist lowland forests, subtropical or tropical moist montanes, rivers, and heavily degraded former forest. It is threatened by habitat loss.

Barton springs salamander - The species name is an acronym for "Save Our Springs", a group dedicated to preserving Barton Springs, plus a Latin genitive plural ending. Despite inhabiting an urban area, the salamander was not identified until 1993. It was put on the federal List of Threatened and Endangered Species in 1997.

Basilan island caecilian - Ichthyophis glandulosus, also known as the Basilan Island Caecilian, is a species of amphibian in the Ichthyophiidae family. It is endemic to the Philippines. Its natural habitats are subtropical or tropical moist lowland forests, subtropical or tropical moist montanes, rivers, intermittent rivers, freshwater springs, plantations , rural gardens, heavily degraded former forest, irrigated land and seasonally flooded agricultural land.

Bates' Tree Toad - The Bates' Tree Toad is a species of toad in the Bufonidae family. It is found in Cameroon, Central African Republic, Democratic Republic of the Congo, Gabon, possibly Republic of the Congo, possibly Equatorial Guinea, and possibly Nigeria. Its natural habitat is subtropical or tropical moist lowland forests. It is threatened by habitat loss.

Baumann's Reed Frog - Hyperolius baumanni is a species of frog in the Hyperoliidae family. It is found in Ghana and Togo. Its natural habitats are subtropical or tropical moist lowland forests, swamps, intermittent freshwater marshes, rural gardens, and heavily degraded former forest.

Baumgardner's Snouted Treefrog - Scinax baumgardneri is a species of frog in the Hylidae family. It is endemic to Venezuela. Its natural habitats are subtropical or tropical moist lowland forests and intermittent freshwater marshes. It is threatened by habitat loss.

Baw baw frog - Adult length is between 42 to 55 mm. Adults are dark brown and often have distinctively coloured bellies. These frogs have a prominent parotoid gland behind each eye. Their toes are unwebbed. At hatching, the tadpoles are creamy white and unpigmented, acquiring some colouration and eye pigmentation as they mature. Tadpoles have large yolk sacs and residual mouths, and do not feed until metamorphosis. Metamorphlings have different colouration to the adults.

Beautiful mantella - The Beautiful Mantella is a species of frog in the Mantellidae family. It is endemic to Madagascar. Its natural habitats are subtropical or tropical moist lowland forests, subtropical or tropical swamps, and swamps. It is threatened by habitat loss.

Beautiful nursery-frog - These frogs are grey on their backs with pale or orange patches. The belly is usually white, yellow or brown. Their size is usually around 25 mm.

Beeping Froglet, Eastern Sign-bearing Froglet, Plains Froglet - As with all species within the Crinia genus, the Eastern Sign-bearing Froglet is a small ground dwelling frog; reaching a length of 2.3 centimetres . It is highly variable in colour and markings, with some specimens being smooth skinned, and others having skin folds and warts on their dorsal surface. The ventral surface is dark grey, and marbled in white of varying density. Due to the high variability in appearance, the Eastern Sign-bearing Froglet cannot be distinguished from the Common Eastern Froglet and Sloane's Froglet by dorsal appearance, however, advertisement call and belly colouration can be used to separate the species.

Bell Frog, Moore’s Frog, Motorbike Frog, Western Green And Golden Bell Frog - Litoria moorei is able to camouflage itself well, and ranges in colour from dark brown, through to green and gold. The underside is noticeably lighter, and usually ranges from very pale green to light brown. The light green of the groin and thigh distinguishes this species from its cogenor, Litoria cyclorhyncha, which is darker and spotted with yellow there. Typical of tree frogs, it has toe pads which enable it to climb smooth vertical surfaces. Its hind legs are powerful, and the toes are webbed. In mating season the male develop black nuptial pads that enable it to cling to the female’s back during amplexus.

Bell's False Brook Salamander - Its natural habitats are temperate forests, subtropical or tropical dry forests, subtropical or tropical moist montanes, plantations , rural gardens, urban areas, and heavily degraded former forest. It is threatened by habitat loss.

Bernhard's mantella - The Bernhard's Mantella is a species of frog in the Mantellidae family. It is endemic to Madagascar. Its natural habitats are subtropical or tropical moist lowland forests, rivers, swamps, and heavily degraded former forest. It is threatened by habitat loss.

Berry Cave Salamander - Its natural habitat is inland karsts. It is threatened by habitat loss.

Betic midwife toad - On January 21, 2008, Evolutionarily Distinct and Globally Endangered , per chief Helen Meredith identified nature's most weird, wonderful and endangered amphibians: "The EDGE amphibians are amongst the most remarkable and unusual species on the planet and yet an alarming 85% of the top 100 are receiving little or no conservation attention." The top 10 endangered species include: the Chinese giant salamander, a distant relative of the newt, the tiny Gardiner's Seychelles frog, the limbless Sagalla caecilian, South African ghost frogs, lungless Mexican salamanders, the Malagasy rainbow frog, Chile's Darwin frog and the Betic Midwife Toad.

Bibron’s Toadlet, Brown Toadlet - This species is variable and may represent more than one species. It grows to about 30mm in length and is brown, grey or black above, often with scattered red spots. It is normally strongly marbled black and white on the ventral surface, however in some areas this marbling can be faint. There is always an orange, red or yellow patch in the armpits. This patch varies from yellow to orange between sites. At the Jervis Bay region this patch is always yellow, this may be a result of hybridisation with the Southern Toadlet which has a strong yellow patch in the armpits. There is also a yellow/orange patch or raised bump on the back of the thigh.

Bicol narrowmouth toad - The Bicol Narrowmouth Toad or Catanduanes Narrow-mouthed Frog is a species of frog in the Microhylidae family. It is endemic to the Philippines. Its natural habitats are subtropical or tropical moist lowland forests, subtropical or tropical moist montanes, pastureland, plantations , rural gardens, and heavily degraded former forest. It is threatened by habitat loss.

Big Levels Salamander - Its natural habitats are temperate forests and rocky areas. It is threatened by habitat loss.

Big Mouth Cave Salamander - Its natural habitats are inland karsts and caves. It is threatened by habitat loss.

Bilingual Frog - The Bilingual Frog is a species of frog in the Myobatrachidae family. It is endemic to Australia. Its natural habitats are moist savanna, intermittent rivers, and swamps.

Bird-voiced treefrog - The Bird-voiced Treefrog is a species of frog in the Hylidae family. It is endemic to the United States. Its natural habitats are temperate forests, shrub-dominated wetlands, and swamps. It is threatened by habitat loss.

Black knobby newt - The Black Knobby Newt is a species of salamander in the Salamandridae family. It is found in China and Vietnam. Its natural habitats are subtropical or tropical moist lowland forests, subtropical or tropical moist montanes, freshwater marshes, and intermittent freshwater marches. It is threatened by habitat loss.

Black microhylid - Melanobatrachus indicus is a species of narrow-mouthed frog endemic to southern Western Ghats of India. It is currently known from Kalakad, Agasthyamala Hills, Periyar Tiger Reserve in Kerala, and the Indira Gandhi National Park in the Anaimalai Hills.

Black mountain boulder frog - It is endemic to Australia, and its populations are now restricted to the Black Mountain National Park, Australia.

Black mountain salamander - Its natural habitats are temperate forests, rivers, intermittent rivers, intermittent freshwater marshes, and freshwater springs. It is threatened by habitat loss.

Black Rain Frog - The Black Rain Frog is a species of frog in the Microhylidae family. It is endemic to South Africa. Its natural habitats are temperate forests and Mediterranean-type shrubby vegetation. It is threatened by habitat loss.

Black Web-footed Salamander - Bolitoglossa nigrescens is a species of salamander in the Plethodontidae family. It is endemic to Costa Rica. Its natural habitat is subtropical or tropical moist montanes. It is threatened by habitat loss.

Black-eared mantella - The Black-eared Mantella is a species of frog in the Mantellidae family. It is endemic to Madagascar. Its natural habitats are subtropical or tropical moist lowland forests, subtropical or tropical swamps, subtropical or tropical moist montanes, and swamps. It is threatened by habitat loss.

Black-legged Poison Frog - In this species, the male transports tadpoles adhering on its back.

Black-soled Frog, Fletcher’s Frog - This is medium sized frog, getting to about 50mm in length. It is brown on the dorsal surface, however can range from light tan to dark or red brown. Its skin is rough in texture and feels like sandpaper. There are raised skin folds that run down the frogs back and a distinct triangle of lighter brown on the frogs head . There is a dark line that starts at the nostril, extends through the eye and curves around the tympanum. There are crossbands on the legs, this may cause confusion with similar looking Mixophyes frogs. The toes and fingers are both free of webbing.

Black-spotted Casque-headed Treefrog - The Black-spotted Casque-headed Treefrog is a species of frog in the Hylidae family. It is endemic to Brazil. Its natural habitats are subtropical or tropical moist lowland forests, subtropical or tropical moist shrubland, freshwater lakes, intermittent freshwater lakes, freshwater marshes, intermittent freshwater marches, rural gardens, and heavily degraded former forest. It is threatened by habitat loss.

Black-spotted frog - The dark-spotted frog is a relatively low-altitude species, not being found above 2200 meters. It ranges across a variety of habitats, from deserts and brushland to meadows and forests, and is typically found in or near stagnant or slow-moving water. Although relatively tolerant of human interference, it is increasingly threatened by hunting and water pollution.

Black-spotted Stout Newt - Pachytritons are stout-bodied, smooth-skinned aquatic newts. Their heads are large and flattened, have conspicuous labial folds, short stubby legs and toes. They breathe through both lungs and skin.

Blackbelly Salamander - Its natural habitats are rivers, intermittent rivers, and freshwater springs. It is threatened by habitat loss.

Blackbelly Slender Salamander - B. nigriventis looks similar to the related species B. pacificus and B. gabrieli.

Blacksoil Toadlet - The Blacksoil Toadlet is a species of frog in the Myobatrachidae family. It is endemic to Australia. Its natural habitats are subtropical or tropical dry lowland grassland, subtropical or tropical seasonally wet or flooded lowland grassland, and intermittent freshwater marshes.

Blanchard's Cricket Frog - The Northern Cricket Frog is a species of small Hylid frog native to the United States and northeastern Mexico. Despite being members of the tree frog family, they are not arboreal. There are three recognized subspecies.

Blanford’s Toad - The Blanford's Toad is a species of toad in the Bufonidae family. It is found in Djibouti, Eritrea, Ethiopia, and Somalia. Its natural habitats are dry savanna, subtropical or tropical dry shrubland, subtropical or tropical dry lowland grassland, freshwater marshes, rocky areas, and hot deserts. It is threatened by habitat loss.

Bleating Tree Frog, Keferstein’s Tree Frog - The frog is small in length. The dorsal surface of this frog is a dark or pale, rich brown, with broad irrigular, lighter bands on each side of the frog starting from the back of the eye. A dark stripe runs from the snout, through the eye and onto the tympanum. There is a white bar directly under the under. The ventral surface is light cream, although in breeding males can be yellow. The fingers are one-third webbed, and toes are two thirds webbed. The tympanum is visible. The iris is a strong rusty red colour. During the breeding season males become a yellowish colour.

Bleeding toad - IUCN

Bloody bay poison frog - It is endemic to Trinidad and Tobago. Its natural habitats are subtropical or tropical moist lowland forests and rivers.

Blotched Salamander, Japanese Salamander, Sagami Salamander, Spotted Salamander - The Spotted Salamander is a species of salamander in the Hynobiidae family. It is endemic to Japan. Its natural habitats are temperate forests and rivers.

Blue Mountains Tree Frog, Variegated River Tree Frog - The Blue Mountains Tree Frog, is a species of tree frog native to coastal and highland areas of eastern Australia, from just south of Newcastle NSW, to eastern VIC. The Jenolan Caves Tree Frog, a population formerly separated as L. jenolanensis, is nowadays included in this species.

Blue ridge dusky salamander - Its natural habitats are temperate forests, rivers, intermittent rivers, freshwater springs, and rocky areas. Its eggs are laid under logs or rocks. It is threatened by habitat loss.

Blue Ridge Gray-cheeked Salamander - Its natural habitat is temperate forests. It is threatened by habitat loss.

Blue Ridge Spring Salamander - As all members of the family Plethodontidae these salamanders have a nasolabial groove. The subspecies Gyrinophilus p. porphyriticus and Gyrinophilus p. duryi are salamanders that can be 4.75-7.5 inches long. The record length is 9 1/8 inches . The right line from eye to nostril is bordered below by gray pigment, but the markings are not always conspicuous. The dorsal coloration varies from salmon or light brownish to pink or reddish. The ground color has a cloudy appearance, and the darker markings are vague. The subspecies Gyrinophilus p. danielsi and Gyrinophilus p. dunni are salamanders that can be 5-7.5 inches . The record length is 8 1/16 inches . The white line from eye to nostril, bordered below by a conspicuous black or dark brown line is distinctive. There also may be a dark line above the white line, often conspicuous. The dorsal coloration can be clear reddish, salmon, or orange-yellow marked with black or brown spots or flecks.

Blue ridge two-lined salamander - Its natural habitats are temperate forests, rivers, intermittent rivers, and freshwater springs. It is threatened by habitat loss. Eurycea wilderae, the Blue Ridge Two-lined salamander, is found in the southern Appalachian Mountains, mostly south of Virginia. To the north is a similar salamander, Eurycea bislineata, or the northern two-lined salamander. Adult Blue Ridge Two-lined salamanders are commonly near stream banks. Larvae are aquatic, living in streams and seeps.

Blue-legged mantella - The Blue-legged Mantella is a species of frog in the Mantellidae family. It is endemic to Madagascar. Its natural habitats are subtropical or tropical drsy forests, rivers, and intermittent rivers. It is threatened by habitat loss.

Blue-sided treefrog - The Blue-sided Leaf Frog is often found in tropical rainforests in Costa Rica.

Blue-spotted salamander - These salamanders are between 8 and 14 cm in length, of which the tail comprises 40%. Their skin is bluish-black, with characteristic blue and white flecks on its back, and bluish-white spots on the sides of its body and tail. They have an elongated body, though they are not nearly as slender as the Jefferson Salamander. The vent is typically black, which contrasts with the paler belly. Larvae which have transformed may have yellow splotches; these turn blue once the individual becomes terrestrial. Occasionally, a melanistic individual may be found in the wild.

Blyth's river frog - The Blyth's River Frog or Giant Asian River Frog , sometimes called "giant frog" is a species of frog in the Ranidae family. It is found in Indonesia, Laos, Malaysia, Myanmar, Singapore, Thailand, Vietnam, and possibly Cambodia. Its natural habitats are subtropical or tropical moist lowland forests, subtropical or tropical moist montane forests, and rivers. It is becoming rare due to habitat loss.

Bobiri Reed Frog - Hyperolius sylvaticus is a species of frog in the Hyperoliidae family. It is found in Cameroon, Ivory Coast, Ghana, Nigeria, and possibly Liberia. Its natural habitats are subtropical or tropical moist lowland forests, intermittent freshwater marshes, rural gardens, and heavily degraded former forest. It is threatened by habitat loss.

Boettger’s Dainty Frog, Common Caco - The Boettger's Dainty Frog or Common Caco is a species of frog in the Petropedetidae family. It is found in Botswana, Ethiopia, Kenya, Lesotho, Mozambique, Namibia, South Africa, Swaziland, Tanzania, Zambia, Zimbabwe, possibly Angola, and possibly Uganda. Its natural habitats are dry savanna, moist savanna, subtropical or tropical dry shrubland, subtropical or tropical moist shrubland, subtropical or tropical dry lowland grassland, subtropical or tropical seasonally wet or flooded lowland grassland, subtropical or tropical high-altitude grassland, swamps, intermittent freshwater lakes, intermittent freshwater marshes, arable land, pastureland, plantations , rural gardens, ponds, seasonally flooded agricultural land, and canals and ditches.

Bokermann's casque-headed frog - The Bokermann's Casque-headed Frog is a species of frog in the Hylidae family. It is endemic to Brazil. Its natural habitats are subtropical or tropical moist lowland forests.

Bokermann's Casque-headed Treefrog - The Bokermann's Casque-headed Treefrog is a species of frog in the Hylidae family. It is endemic to Brazil. Its natural habitats are subtropical or tropical dry forests, moist savanna, subtropical or tropical dry shrubland, and intermittent freshwater marshes. It is threatened by habitat loss.

Bony-headed Toad - The Bony-headed Toad is a species of toad in the Bufonidae family. It is found in Cambodia, China, Laos, and Vietnam. Its natural habitats are subtropical or tropical moist lowland forests, subtropical or tropical moist montanes, and rivers. It is threatened by habitat loss.

Booroolong frog - This frog reaches about 45 mm in length. It is normally grey, olive or brown with pale spots or mottling, normally slightly warty in appearance, the flanks are grey. It is cream on the ventral surface. The back of the thighs are pale yellow a few darker spots. There is a faint stripe that runs from the nostril to above the tympanum, this stripe is pale and thin in contrast to the closely related Stoney Creek Frog, Litoria wilcoxi and Lesueur's Frog Litoria lesueurii and can be used to distinguish between the species. The typanum is darker in colour. The armpit is also pale yellow. The toe discs are relatively well developed but only of a moderate size. The toes are nearly fully webbed.

Boreal Chorus Frog - This is a small species of frog, reaching about 30mm in length. It is highly variable however it is normally brown, but can be green on the dorsal surface, with 3 broken dorsal stripes, these stripes can be very distinct to quite faint. The is a dark band present from the snout, through the eye and continuing down the side. It has slightly enlarged toes discs to help in climbing small grasses and vegetation. This species is very similar Western Chorus Frog, . It can be distinguished from this species by having shorter legs.

Boreal Digging Frog - The boreal digging frog is common across much of its range, but is considered endangered in South Korea. It inhabits cultivated fields, including rice paddies, and is often found in close proximity to humanity, at altitudes of 10 to 900 meters.

Boreal Toad, Western Toad - The Western toad or boreal toad is a large toad species, between 5.6 and 13 cm long, of western North America. It has a white or cream dorsal stripe, and is dusky gray or greenish dorsally with skin glands concentrated within the dark blotches. Its parotoid glands are oval, widely separated, and larger than the upper eyelids. It is mottled venter, has horizontal pupils, and lacks cranial crests.

Bornean flat-headed frog - The frog, no more than 70 mm long, lives in cold, clear, and fast rivers in remote areas of the rainforests of Kalimantan, the Indonesian part of the island of Borneo. Its natural habitats are rivers in tropical moist lowland forests. It is threatened by habitat loss from severe degradation of the river habitats by increased turbity and toxic metals used in mining and other unfortunate consequences of development on the island.

Bosca's newt - Its natural habitats are temperate forests, Mediterranean-type shrubby vegetation, rivers, intermittent rivers, swamps, freshwater lakes, intermittent freshwater lakes, freshwater marshes, intermittent freshwater marches, sandy shores, arable land, pastureland, rural gardens, water storage areas, ponds, and introduced vegetation. It is threatened by habitat loss.

Bottle and spoon frog - It is found in Argentina, Bolivia, Brazil, Colombia, French Guiana, Guyana, Panama, Paraguay, Peru, Suriname, Trinidad and Tobago, and Venezuela. Its natural habitats are subtropical or tropical dry forests, subtropical or tropical moist lowland forests, subtropical or tropical moist montanes, dry savanna, moist savanna, subtropical or tropical dry shrubland, subtropical or tropical moist shrubland, subtropical or tropical dry lowland grassland, subtropical or tropical seasonally wet or flooded lowland grassland, swamps, freshwater lakes, intermittent freshwater marshes, pastureland, plantations , rural gardens, urban areas, heavily degraded former forest, ponds, irrigated land, seasonally flooded agricultural land, and canals and ditches. It is not considered threatened by the IUCN.

Bouchia Clawed Frog - The Bouchia Clawed Frog is a species of frog in the Pipidae family. It is found in Central African Republic, Democratic Republic of the Congo, Uganda, and possibly Republic of the Congo. Its natural habitats are subtropical or tropical moist lowland forests, swamps, freshwater marshes, intermittent freshwater marches, rural gardens, and heavily degraded former forest.

Boutry River Frog - Phrynobatrachus calcaratus is a species of frog in the Petropedetidae family. It is found in Cameroon, Central African Republic, Ivory Coast, Equatorial Guinea, Ghana, Guinea, Liberia, Nigeria, Senegal, possibly Benin, possibly Democratic Republic of the Congo, possibly Gambia, possibly Guinea-Bissau, possibly Mali, possibly Sierra Leone, and possibly Togo. Its natural habitats are subtropical or tropical moist lowland forests, subtropical or tropical moist montanes, rivers, intermittent freshwater marshes, and heavily degraded former forest. It is threatened by habitat loss.

Brazilian Horned Frog - The Brazilian Horned Frog is a species of frog in the Leptodactylidae family.

Brewer's Carrying Frog - The Brewer's Carrying Frog or Rana Stefania De Brewer is a species of frog in the Leptodactylidae family. It is endemic to Venezuela. Its natural habitat is subtropical or tropical high-altitude shrubland.

Bridle Frog - The Bridle Frog is a species of frog in the Hylidae family. It is found in Australia, Papua New Guinea, and possibly Indonesia. Its natural habitats are subtropical or tropical dry forests, moist savanna, intermittent rivers, swamps, intermittent freshwater marshes, and ponds. It is threatened by habitat loss.

Brimley's chorus frog - The Brimley's Chorus Frog is a species of frog in the Hylidae family. It is endemic to the United States, and is named for North Carolina zoologist CS.

Broad-banded Grass Frog - Ptychadena bibroni is a species of frog in the Ranidae family. It is found in Burkina Faso, Cameroon, Central African Republic, Chad, Democratic Republic of the Congo, Ivory Coast, Gambia, Ghana, Guinea, Liberia, Mali, Nigeria, Senegal, Sierra Leone, Togo, possibly Benin, possibly Guinea-Bissau, and possibly Sudan. Its natural habitats are dry savanna, moist savanna, intermittent freshwater marshes, rural gardens, heavily degraded former forest, and canals and ditches.

Broad-palmed Rocket Frog - This frog is pale to dark brown on it dorsal surface, it can have darker blotches or variegations. Its skin is smooth, with the occasional wart on its back. A black band runs from the snout, through the eye and tympanum, and breaks into blotches down its side. A white line breaks the black band in front of the eye, and runs under the eye. The thighs are marbled yellow and black and the armpit is yellow. The lower lip is normally marbled black and white. The belly is white.

Broadley’s ridged frog - Its natural habitats are subtropical or tropical moist montanes, moist savanna, and rocky areas. It is threatened by habitat loss.

Bronze Caco, Bronze Dainty Frog - The Bronze Caco or Bronze Dainty Frog is a species of frog in the Petropedetidae family. It is found in South Africa, Swaziland, possibly Lesotho, and possibly Mozambique. Its natural habitats are moist savanna, subtropical or tropical moist shrubland, Mediterranean-type shrubby vegetation, subtropical or tropical seasonally wet or flooded lowland grassland, intermittent rivers, shrub-dominated wetlands, freshwater marshes, intermittent freshwater marches, arable land, pastureland, plantations , rural gardens, urban areas, heavily degraded former forest, ponds, canals and ditches, and introduced vegetation.

Brown Banana Frog, Cameroon Banana Frog, Striped Spiny Reed Frog - The Brown Banana Frog is a species of frog in the Hyperoliidae family. It is found in Angola, Cameroon, Republic of the Congo, Democratic Republic of the Congo, Ivory Coast, Equatorial Guinea, Gabon, Ghana, Guinea, Liberia, Nigeria, Sierra Leone, and possibly Togo. Its natural habitats are subtropical or tropical moist lowland forests, subtropical or tropical moist shrubland, subtropical or tropical seasonally wet or flooded lowland grassland, freshwater marshes, intermittent freshwater marches, rural gardens, heavily degraded former forest, ponds, seasonally flooded agricultural land, and canals and ditches.

Brown frog, striped marsh frog - This frog reaches about 65 mm in length. They are a shade of brown on the dorsal surface. This colour can be light or dark; they can also be a red-brown on the dorsal surface. There are distinct darker stripes running down the frogs back , there is normally a paler mid-dorsal stripe running down the back. There is a black "mask" that runs from the nostril, through the eye and down to the shoulder. This "mask" is followed by a thick light golden line that runs underneth the "mask" and terminates at the end of the mouth. Breeding males develop thick arms, these are used in "wrestling" matches with other frogs, the throat of males is yellow in colour. The belly is white.

Brown Froglet, Clicking Froglet, Common Froglet - The Common Eastern Froglet ranges from South eastern Australia, from Adelaide to Melbourne, up the eastern coast to Brisbane. It also inhabits a majority of Tasmania.

Brown Mantella - The Brown Mantella is a species of frog in the Mantellidae family. It is endemic to Madagascar. Its natural habitats are subtropical or tropical dry forests, dry savanna, moist savanna, subtropical or tropical dry shrubland, rivers, freshwater marshes, intermittent freshwater marches, rural gardens, heavily degraded former forest, ponds, and canals and ditches. It is threatened by habitat loss.

Brown New Zealand frog - Hamilton's frog is a New Zealand primitive frog, one of only four belonging to the ancient family Leiopelmatidae. It is named after Harold Hamilton.

Brown Running Frog, Pale Running Frog - Kassina fusca is a species of frog in the Hyperoliidae family. It is found in Burkina Faso, Ivory Coast, Ghana, Mali, Niger, Nigeria, Senegal, possibly Benin, possibly Gambia, possibly Guinea, possibly Guinea-Bissau, and possibly Togo. Its natural habitats are dry savanna, moist savanna, subtropical or tropical dry shrubland, intermittent freshwater lakes, intermittent freshwater marshes, and pastureland.

Brown Tree Frog, Ewing’s Tree Frog, Southern Brown, Whistling Tree Frog - This species reaches 45 mm in length. It is pale to dark brown on the dorsal surface, with a broad darker patch starting at the eyes and covering the majority of the back. There is a dark band starting at the nostril which runs through the eye and tympanum to the shoulder, and there is a pale white stripe below this which runs from the mouth to the arm. The back of the thighs are red, there is no black marbling present , distinguishing this species from the similar Verreaux's Tree Frog, . Some specimens from western Victoria and south eastern South Australia can be partially or entirely green. The belly is cream.

Bruno's Casque-headed Frog - The Bruno's Casque-headed Frog is a species of frog in the Hylidae family. It is endemic to Brazil. Its natural habitats are subtropical or tropical moist lowland forests, subtropical or tropical moist shrubland, and intermittent freshwater marshes. It is threatened by habitat loss.

Bumpy Rocket Frog, Peter’s Frog - The Bumpy Rocket Frog or Peter's Frog is a species of frog in the Hylidae family. It is endemic to Australia. Its natural habitats are subtropical or tropical swamps, dry savanna, subtropical or tropical dry lowland grassland, and intermittent freshwater marshes.

Burmese Squat Frog, Blotched Burrowing Frog, Orange Burrowing Frog, Striped Spadefoot Frog - Calluella guttulata is a species of frog in the Microhylidae family. It is found in Laos, Malaysia, Myanmar, Thailand, Vietnam, and possibly Cambodia. Its natural habitats are subtropical or tropical moist lowland forests, intermittent freshwater marshes, rural gardens, and heavily degraded former forest. It is threatened by habitat loss.

Burrowing coqui - The Eleutheridactylus unicolor is said to come from Puerto Rico, but there is talk about them originating from Florida.

Bush Squeaker - Its natural habitats are subtropical or tropical dry forests, subtropical or tropical moist shrubland, plantations , rural gardens, urban areas, and heavily degraded former forest, where it is found mostly in leaf-litter and rotting vegetation.

Buzzing frog - The Buzzing Frog is a species of frog in the Microhylidae family. It is endemic to Australia. Its natural habitats are subtropical or tropical moist lowland forests and subtropical or tropical moist montanes. It is threatened by habitat loss.

Buzzing Tree Frog - The Buzzing Tree Frog is a species of frog in the Hylidae family. It is endemic to Australia. Its natural habitats are temperate forests, subtropical or tropical swamps, swamps, intermittent freshwater lakes, intermittent freshwater marshes, and urban areas.