Amphibians beginning with A

African Bullfrog - The African Bullfrog is carnivorous and a voracious eater, eating insects, small rodents, reptiles, small birds and other amphibians.

African Clawed Frog, Clawed Toad, Common Clawed Frog, Common Clawed Toad, Common Platanna, Platanna - African clawed frogs can grow up to a length of 5 in . They have a flattened head and body, but no tongue or external ears.

African Common Toad - The African Common Toad , also known as the Square-marked Toad, African Toad, Egyptian Toad, and Reuss's Toad, is a species of toad in the Bufonidae family.

African Common Toad, Gutteral Toad - The African Common Toad or Guttural Toad is a species of toad in the Bufonidae family. It is found in Angola, Botswana, Democratic Republic of the Congo, Kenya, Lesotho, Malawi, Mauritius, Mozambique, Namibia, Réunion, Somalia, South Africa, Swaziland, Tanzania, Zambia, and Zimbabwe. Its natural habitats are subtropical or tropical dry forests, subtropical or tropical moist lowland forests, subtropical or tropical moist montanes, dry savanna, moist savanna, temperate shrubland, 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 rivers, freshwater lakes, intermittent freshwater lakes, freshwater marshes, intermittent freshwater marches, arable land, pastureland, rural gardens, urban areas, heavily degraded former forest, ponds, and canals and ditches.

African Foam-nest Treefrog, Western Foam-nest Tree Frog - The African Foam-nest Tree Frog is a frog that lives in the tropical rainforests of Central Africa. Its upper body is a brownish color, tinged rust, and it has small dark spots around its head and pelvis. The frog lives in trees, and builds its nest on branches overhanging water. It is called the foam-nest tree frog because its nest consists of air bubbles, wrapped in leaf. When its larvae hatch, they fall into the water below, where they grow from tadpoles into frogs. It absorbs moisture off hands when touched. It also changes colour at night in order to be camouflaged.

African Giant Toad, Congo Toad - The African Giant Toad or Congo Toad is a species of toad in the Bufonidae family. It is found in Cameroon, Central African Republic, Republic of the Congo, Democratic Republic of the Congo, Ivory Coast, Equatorial Guinea, Gabon, Ghana, Nigeria, possibly Liberia, and possibly Sierra Leone. Its natural habitats are subtropical or tropical moist lowland forests, freshwater marshes, intermittent freshwater marches, plantations , and heavily degraded former forest. It is threatened by habitat loss.

African Red Toad, African Split-skin Toad - The African Red Toad or African Split-skin Toad is a species of toad in the Bufonidae family. It is monotypic within the genus Schismaderma. It is found in Angola, Botswana, Democratic Republic of the Congo, Kenya, Malawi, Mozambique, Namibia, South Africa, Swaziland, Tanzania, Zambia, Zimbabwe, and possibly Lesotho. Its natural habitats are dry savanna, moist savanna, subtropical or tropical dry shrubland, subtropical or tropical moist shrubland, subtropical or tropical dry lowland grassland, freshwater marshes, intermittent freshwater marches, arable land, pastureland, urban areas, water storage areas, ponds, canals and ditches, and man-made karsts.

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

Agile Frog - This species are skinny and have long limbs and a pointy snout. Adult males are rarely larger than 6.5 centimeters, while females can get up to 8 centimeters. Its ventral surface is light brown, reddish-brown, or light greyish-brown with very little contrast. There are triangles reaching from the temple to the eardrum, which are dark brown. The underside of the Agile Frog is white without any spots. During mating season, the males often become dark brown. The hind legs are unusually long, which allow this species to jump further than other similar frogs - they have been known to jump up to two meters in distance. The pupils are horizontal. The color of the upper third of the iris is lighter and gold in coloration. The tympanum is about the size of the diameter of the eye. The gland stripes on the frogs back are not very developed and partially interrupted.

Ahl's River Frog, Accra River Frog, White-lipped River Frog - Phrynobatrachus accraensis is a species of frog in the Petropedetidae family. It is found in Burkina Faso, Cameroon, Ivory Coast, Gambia, Ghana, Guinea, Liberia, Mali, Nigeria, Senegal, Sierra Leone, Togo, possibly Benin, possibly Guinea-Bissau, and possibly Niger. Its natural habitats are subtropical or tropical moist lowland forests, 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, intermittent freshwater marshes, arable land, pastureland, rural gardens, heavily degraded former forest, ponds, and canals and ditches.

Ailao toad - The Ailao Toad is a species of toad in the Bufonidae family. It is endemic to China. Its natural habitats are subtropical or tropical moist montanes and rivers.

Alabama waterdog - Necturus alabamensis is a medium-sized Necturus with four toes and a laterally compressed tail. Gills are permanent, bushy, and red. Typical adults exhibit a brown or black dorsum with minimal or no spotting, and the ventral side is white and often unspotted. With the exception of the Black Warrior River population, juveniles do not exhibit stripped larvae.

Albanian Water Frog - The Albanian Water Frog is a species of frog in the Ranidae family. It is found in Albania and Montenegro.

Albertine Rift reed frog - Hyperolius discodactylus is a species of frog in the Hyperoliidae family. It is found in Burundi, Democratic Republic of the Congo, Rwanda, and Uganda. Its natural habitats are subtropical or tropical moist montanes and rivers. It is threatened by habitat loss.

Albina Surinam Toad - Pipa aspera is a species of frog in the Pipidae family. It is found in French Guiana, Suriname, and possibly Brazil. Its natural habitats are subtropical or tropical moist lowland forests, rivers, freshwater marshes, and intermittent freshwater marches.

Alexandria toadlet - The Alexandria Toadlet is a species of frog in the Myobatrachidae family. It is endemic to Australia. Its natural habitats are subtropical or tropical swamps and swamps.

Algerian Ribbed Newt - The natural habitats of this newt are rivers, intermittent rivers, swamps, cisterns, freshwater marshes, intermittent freshwater marshes, and ponds. It is threatened by habitat loss.

Algerian ribbed newt - The natural habitats are of these newts are rivers, intermittent rivers, swamps, freshwater marshes, intermittent freshwater marshes, cisterns and ponds. They are threatened by habitat loss.

Allegheny mountain dusky salamander - D. ochrophaeus is a medium-sized salamander that can grow to about 10 cm in length. Adults are brownish and can have a widely variable coloration pattern. Usually, it has a light stripe down the back, with a row of dark spots on the centre and flanked by dark pigments. As in all members of the genus, the hind legs are larger and stouter than the front legs. This species belongs to the "lungless salamander" family , and adults must keep their skin moist to breathe. It is a somewhat terrestrial salamander that can be found under stones, logs, and bark near springs, streams and other areas where the ground is saturated with water.

Alpine Newt - The Alpine Newt is a newt of the Salamander order Caudata in the class of Amphibians.

Alpine Salamander - It is an ovoviviparous amphibian, giving birth to two live young. Generally, at altitudes of 650-1,000 metres, a pregnancy lasts 2 years, and at altitudes of 1,400 to 1,700 metres, the pregnancy lasts 3 years.

Alpine stream salamander - The Alpine Stream Salamander is a species of salamander in the Hynobiidae family. It is endemic to China. Its natural habitats are rivers and freshwater springs. It is threatened by habitat loss.

Alpine Tree Frog, Verreaux’s Tree Frog, Whistling Tree Frog - The Whistling or Verreaux's Tree Frog, , is a frog occurring in Australia.

Amami Tip-nosed Frog - The Amami tip-nosed frog, Odorrana amamiensis, is a species of frog in the Ranidae family. It is endemic to Japan.

Amber-coloured salamander - The Amber-coloured Salamander is a species of salamander in the Hynobiidae family. It is endemic to Japan. Its natural habitats are temperate forests and rivers. It is threatened by habitat loss.

Ambrosi's cave salamander - The Ambrosi's Cave Salamander, French Cave Salamander, or Spezia Cave Salamander is a species of salamander in the Plethodontidae family. It is endemic to Italy.

American Bullfrog, Bullfrog, Common Bullfrog - American bullfrogs live longer in warm weather. They have been widely introduced across North America . The original, naturally determined range did not include far western regions where it is found today.

Anchieta's Ridged Frog, Plain Grass Frog - The Anchieta's Ridged Frog or Plain Grass Frog is a species of frog in the Ranidae family. It is found in Angola, Botswana, Republic of the Congo, Democratic Republic of the Congo, Djibouti, Eritrea, Ethiopia, Kenya, Malawi, Mozambique, Namibia, Somalia, South Africa, Sudan, Swaziland, Tanzania, Uganda, Zambia, Zimbabwe, possibly Burundi, and possibly Rwanda. Its natural habitats are 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, rivers, intermittent rivers, freshwater lakes, freshwater marshes, intermittent freshwater marches, hot deserts, arable land, rural gardens, urban areas, and ponds.

Anderson's crocodile newt - The Anderson's Crocodile Newt is a species of salamander in the Salamandridae family. It is found in Japan and Taiwan. Its natural habitats are subtropical or tropical moist lowland forests, subtropical or tropical seasonally wet or flooded lowland grassland, swamps, and freshwater marshes. It is threatened by habitat loss.

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

Angola Banana Frog, Congro Spiny Reed Frog, Osorio's Spiny Reed Frog - Afrixalus osorioi is a species of frog in the Hyperoliidae family. It is found in Angola, Democratic Republic of the Congo, Kenya, Uganda, possibly Burundi, and possibly Rwanda. Its natural habitats are subtropical or tropical moist lowland forests, swamps, freshwater marshes, intermittent freshwater marches, rural gardens, and heavily degraded former forest.

Ansorge's Ridged Frog - The Ansorge's Ridged Frog is a species of frog in the Ranidae family. It is found in Angola, Democratic Republic of the Congo, Malawi, Zambia, possibly Mozambique, and possibly Tanzania. Its natural habitats are subtropical or tropical dry forests, subtropical or tropical moist lowland forests, moist savanna, rivers, and swamps.

Appalachian salamander - Its natural habitat is temperate forests. It is threatened by habitat loss.

Appalachicola Dusky Salamander - Its natural habitats are temperate forests, intermittent rivers, and freshwater springs. It is threatened by habitat loss.

Appenine Yellow-bellied Toad - The Apennine Yellow-bellied Toad is a species of toad in the Bombinatoridae family. It is endemic to Italy. Its natural habitats are temperate forests, temperate grassland, swamps, freshwater marshes, intermittent freshwater marches, arable land, pastureland, ponds, open excavations, irrigated land, and seasonally flooded agricultural land. It is threatened by habitat loss.

Arabian Toad - Only nine species of amphibians have been found on the Arabian Peninsula.

Arboreal salamander - It is large, 5.1 to 8.1 cm, with plain purplish-brown coloring, usually spotted dorsally with gold or yellow, although it may also be unspotted. The tail is prehensile. The juvenile is dark overall, clouded with greyish color and fine yellow speckling on the back. It has rusty markings on the snout, tail, and on sides above the forelimbs. The male of this species can be distinguished by its broad triangular head, with the front teeth of the jaw extending beyond the bottom lip.

Archey's frog - Populations of the species in the Coromandel area have declined by 88% from 1996 to 2001

Arizona Toad - The Arizona Toad is a species of toad in the Bufonidae family. It is endemic to the United States. Its natural habitats are temperate forests, rivers, intermittent rivers, swamps, freshwater marshes, intermittent freshwater marches, freshwater springs, ponds, open excavations, irrigated land, and seasonally flooded agricultural land. It is threatened by habitat loss.

Armoured frog - The Armoured Frog , Litoria lorica, is a species of tree frog that is in the Torrent Frog complex , a group that is restricted to north-eastern Queensland, Australia.

Arrabal's Suriname Toad - The Arrabal's Suriname Toad or Rana De Celdillas Guayanesa is a species of frog in the Pipidae family. It is found in Brazil, Guyana, Suriname, Venezuela, and possibly Peru. Its natural habitats are subtropical or tropical moist lowland forests, freshwater marshes, intermittent freshwater marches, ponds, and canals and ditches. It is threatened by habitat loss.

Arroyo Toad - The Arroyo toad is a stocky, blunt-nosed, warty-skinned species of toad, between 5 and 7.5 cm long. It has horizontal pupils, and is greenish, grey or salmon on the dorsum with a light-colored stripe across the head and eyelids. It has light sacral and mid-dorsal patches, large, oval and widely-separated parotoid glands, and weak or absent cranial crests.

Asian Brackish Frog, Crab-eating Frog, Mangrove Frog, Rice Field Frog - This frog can tolerate marine environments by increasing urea production and retention, and also by remaining slightly hyperosmotic within urea and sodium flux3,4,5.

Asian Common Toad, Asian Toad, Black-spectacled Toad, Common Sunda Toad, Javanese Toad - The Common Indian Toad or Common Asiatic/Asian Toad or Black-spined Toad Duttaphrynus melanostictus is a species of toad that is common in South Asia. The species grows to almost 20 cm long. The species breeds during the monsoons and the tadpoles are black. Young toads may be seen in large numbers after the monsoons.

Asian Grass Frog, Common Pond Frog, Field Frog, Grass Frog, Indian Rice Frog - The Cricket Frog limnocharis) is a species of frog found widely distributed in South Asia. Molecular studies of the species complex suggest that there may be multiple species involved.

Asiatic Grass Frog, Chinese Brown Frog - The Asiatic Grass Frog or Chinese Brown Frog is a species of frog in the Ranidae family. It is found in China, Mongolia, possibly North Korea, and possibly Russia. Its natural habitats are temperate forests, rivers, intermittent rivers, swamps, freshwater lakes, freshwater marshes, intermittent freshwater marches, arable land, pastureland, and irrigated land. It is threatened by habitat loss. Within China, it is hunted for use in food and medicine .

Asiatic Toad - The Asiatic toad avoids dense forests, but is found in most other habitats, including grasslands, open forests, and cultivated areas. It prefers humid areas, and is seldom found at altitudes of more than 800 meters.

Asmara Toad - The Asmara Toad is a species of toad in the Bufonidae family. It is found in Eritrea and Ethiopia. Its natural habitats are dry savanna, subtropical or tropical dry lowland grassland, and subtropical or tropical high-altitude grassland. It is threatened by habitat loss.

Austin blind salamander - Its natural habitat is inland karsts. It is known only from the spring exits at Barton Springs in the city of Austin. Its name is derived from Waterloo, the original name of Austin.

Australian green tree frog - The Green Tree Frog is larger than most Australian frogs, reaching 10 centimetres in length. The average lifespan of the frog in captivity, about sixteen years, is long in comparison with most frogs. Green Tree Frogs are docile and well suited to living near human dwellings. They are often found on windows or inside houses, eating insects drawn by the light.

Australian red-eyed tree frog - Litoria chloris, also commonly known as the Australian Red-eyed Tree Frog, is a species of tree frog native to eastern Australia; ranging from north of Sydney to Proserpine in mid-northern Queensland.

Axolotl - The Delicate-Skinned Salamander was first described by herpetologist Edward Harrison Taylor from a holotype found in 1939 near Rancho Guadalupe, 14 km. east of San Martín in the north-western Asunción province in Mexico. It is until today the only habitat for this species. Introduced predatory fish and habitat destruction due to agriculture lead to a desiccation of the breeding ponds and to a severely decline of the population. It is a small terrestrial species of about 14.2 cm, with a brown dorsal coloration and a lighter underbelly. The head is flattened. Fingers and toes are unwebbed.

Axolotl - Axolotls should not be confused with waterdogs, the larval stage of the closely related Tiger Salamanders , which are widespread in much of North America and also occasionally become neotenic, nor with mudpuppies , fully-aquatic salamanders which are not closely related to the axolotl but bear a superficial resemblance.