Amphibians beginning with H

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

Hairy Frog - The species is about 11 cm long from snout to length. The large head is broader than long, with a short rounded snout. Males are much larger than females. The former have a paired internal vocal sac and three short ridges of small black spines along the inner surface of the first manual digit. Breeding males also develop – somewhat hair-like – dermal papillae that extend along the flanks and thighs. These contain arteries and are thought to increase the surface for the purpose of absorbing oxygen , which is useful as the male stays with his eggs for an extended period of time after they have been laid in the water by the female.

Hakuba salamander - The Hakuba Salamander or Japanese Mountain Salamander is a species of salamander in the Hynobiidae family. This salamander is also synonymous with the Mountain Salamander . It is endemic to Japan. Its natural habitats are temperate forests, rivers, swamps, freshwater springs, and plantations . It is threatened by habitat loss.

Haraldmeier's mantella - The Haraldmeier'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 and rivers. It is threatened by habitat loss.

Harlequin Poison Frog - The Harlequin Poison Frog , Dendrobates histrionicus, is a species of poison dart frog with a native range from Western Ecuador to the El Chocó region of Colombia. The frog is normally found on the ground of tropical rain forests, among fallen limbs or leaf litter.

Harlequin toad - The historic range of A. varius stretched from the Pacific and Atlantic slopes of the Cordilleras de Tilaran mountain range in Costa Rica into western Panama. Suitable habitat includes both pre-montane and lower-montane zones as well as some lowland sites along rocky streams in hilly areas . At present, A. varius is restricted to a single lowland site along a stream and small tributary on the Pacific coastal range near Quepos, Costa Rica .

Haswell’s Froglet - This species of frog reaches 30mm in length. This frog varies from light grey brown, pale brown to red-brown above with some darker flecks. There is normally a faint mid-dorsal stripe running down the back. There is also a dark band running from the back of the eye to the shoulder. The top half of the iris is silver. The thighs are red in colour, which gives it another name, the red-groined froglet. The ventral surface of this species is light brown with white patches.

Heath Frog, Jervis Bay Treefrog - This is a moderately large species of tree frog, up to 55 mm in length. It is normally brown in dorsal colour and has a large double band on the back starting from between the eyes and down to the vent: this band may be indistinct in some specimens. It has a dark band starting at the snout and ending at the base of the arms. The armpits are coloured yellow and the thighs red-orange. The iris is golden-brown in colour. Toe discs are large and the toes are webbed.

Hell hollow slender salamander - The Hell Hollow Slender Salamander is a species of salamander in the Plethodontidae family. It is endemic to the United States. Its natural habitats are temperate forests and temperate shrubland.

Hensel's Dwarf Frog - Physalaemus henselii is a species of frog in the Leptodactylidae family. It is found in Argentina, Brazil, and Uruguay. Its natural habitats are subtropical or tropical seasonally wet or flooded lowland grassland, intermittent freshwater marshes, pastureland, rural gardens, and urban areas. It is threatened by habitat loss.

Herveo plump toad - The Herveo Plump Toad is a species of toad in the Bufonidae family. It is endemic to Colombia. Its natural habitats are subtropical or tropical moist montanes and subtropical or tropical high-altitude grassland. It is threatened by habitat loss.

Hewitt's ghost frog - Its natural habitats are Mediterranean-type shrubby vegetation, temperate grassland, and rivers. It is threatened by habitat loss.

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

Himalayan Toad - Duttaphrynus himalayanus is a species of toad found in the Himalayan region of Pakistan and Kashmir.

Himalayan Tree Frog (<i>P. m. himalayensis</i>), Indian Tree Frog - The Common Indian Tree Frog or Chunam Tree Frog is a common species of tree frog found in South Asia. It was described by John Edward Gray in 1830.

Hip-pocket Frog, Marsupial Frog, Pouched Frog - It is a small frog about 2.5 cm long, red-brown in colour, with some individuals having reverse V shaped patches and/or with light brown dots randomly on their backs. Most specimens have a darker brown stripe that runs from the nostril through the eye down the side of the body. A skin fold is present on either side of the frog running from its eye to its hip. Its hands and feet are completely free of webbing and discs, but the tips of the fingers and toes are swollen. The eye is gold with brown flecks and when the pupil is constricted it is horizontal. There is a 'pocket' on its hip where the frog's tadpoles travel to after hatching.

Hispaniolan Common Treefrog - The Hispaniolan Common Treefrog is a species of frog in the Hylidae family. It is found in the Dominican Republic and Haiti. Its natural habitats are subtropical or tropical dry forests, subtropical or tropical moist lowland forests, subtropical or tropical moist montanes, subtropical or tropical moist shrubland, swamps, freshwater lakes, intermittent freshwater lakes, freshwater marshes, intermittent freshwater marches, arable land, pastureland, plantations , rural gardens, urban areas, heavily degraded former forest, water storage areas, ponds, irrigated land, seasonally flooded agricultural land, and canals and ditches.

Hispaniolan Giant Treefrog - The Hispaniolan Giant Treefrog is a species of frog in the Hylidae family. It is found in the Dominican Republic and Haiti. Its natural habitats are subtropical or tropical moist lowland forests, subtropical or tropical moist montanes, and rivers. It is threatened by habitat loss.

Hispaniolan Yellow Treefrog - The Hispaniolan Yellow Treefrog is a species of frog in the Hylidae family. It is found in the Dominican Republic and Haiti. Its natural habitats are subtropical or tropical moist lowland forests, subtropical or tropical moist montanes, freshwater marshes, intermittent freshwater marches, arable land, and irrigated land. It is threatened by habitat loss.

Hoanglien Frog - Rhacophorus hoanglienensis is a species of frog in the Rhacophoridae family. It is found in Vietnam and possibly China. Its natural habitat is subtropical or tropical moist montanes. It is threatened by habitat loss.

Hochstetter's frog - Hochstetter's frog is a New Zealand primitive frog, one of only four belonging to the ancient family Leiopelmatidae. It is named after the German geologist Ferdinand von Hochstetter.

Hogsback frog - This frog was initially discovered and described in 1919 by Dr. Rattray in the Hogsback Mountain region of the Eastern Cape, South Africa.

Hokuriku salamander - The Hokuriku Salamander is a species of salamander in the Hynobiidae family. It is endemic to Japan. Its natural habitats are temperate forests, rivers, freshwater marshes, freshwater springs, and irrigated land. It is threatened by habitat loss.

Holdridge's Toad - Holdridge's Toad was a species of toad endemic to Costa Rica. As of October 2008, it has been declared extinct by the International Union for the Conservation of Nature in its Red List for 2008.

Hole-in-the-head Frog - H. cavitympanum is the only known species of frog to vocalize at only an ultrasonic level. The frogs have eardrums recessed in the side of the skull, with an ear canal similar to mammals' anatomy. It appears to have evolved this higher pitch frequency of communication to circumvent the background noise of its waterfall habitat.

Holst's Frog - Its natural habitats are subtropical or tropical dry forests and rivers. It is threatened by habitat loss.

Holy-mountain Salamander - The Holy-mountain Salamander is a species of salamander in the Plethodontidae family. It is found in El Salvador, Guatemala, and possibly Honduras. Its natural habitat is subtropical or tropical moist montanes. It is threatened by habitat loss.

Hong Kong Warty Newt - The newt is treated by some naturalists as a sub-species of Paramesotriton chinensis. However, some disagree such a classification based on the disjunctive distribution of the two, and the differences in their physical appearance and habitat preference.

Hong Kong Whipping Frog, Spot-legged Treefrog, White-lipped Treefrog - This species is native in central, southern and southwestern China; it is also found Taiwan, Hainan, Hong Kong and Macau. The species is supported in many protected areas in China.

Hosmer’s frog - The Hosmer's 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.

Houston Toad - The Houston toad is an endangered species of amphibian. The toad was discovered in the late 1940s and named in 1953. Official estimates are that just 3,000 - 4,000 adult Houston Toads are left in the world.

Humming Frog - The Humming Frog is a species of frog in the Limnodynastidae family. It is endemic to Australia. Its natural habitats are temperate forests, temperate shrubland, Mediterranean-type shrubby vegetation, intermittent freshwater marshes, rocky areas, arable land, pastureland, and open excavations.

Hurter’s Spadefoot - Hurter's Spadefoot Toad is a species of spadefoot toad found in the south central United States and northern Mexico. It was once classified as a subspecies of the eastern spadefoot toad, but it has been granted its own species status. The epithet hurterii is in honor of the Swiss-American naturalist and curator of the St. Louis Academy of Sciences, Julius Hurter.