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Description

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A very large forest Leptopelis (males 40-46 mm, females 74-84 mm) from West Africa with fully webbed feet, a large tympanum and a smooth transversely-striped dorsum in shades of brown.This Leptopelis is unmistakable among the West African Leptopelis, being the largest and most fully webbed member of the genus. When compared with the Cameronese fauna it shows strong similarities to two sympatric species, L. rufus and L. millsoni and to L. palmatus from Principe, but differs in the following characters: L. palmatus L. rufus L. macrotis L.millsoni Size of female Very large(81-110 mm) Large(74-87 mm) Large(74-84 m) Smaller(65-70 mm) Discs vs. Tympanum Smaller Larger Smaller Smaller Choanes Very large Large Small Small This account was taken from "Treefrogs of Africa" by Arne Schiøtz with kind permission from Edition Chimaira (http://www.chimaira.de/) publishers, Frankfurt am Main.
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Distribution and Habitat

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A forest form, heard whenever suitable localities were visited from central Sierra Leone to Ghana.
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Life History, Abundance, Activity, and Special Behaviors

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The males call from branches, most typically from near streams at heights of 5-10 m above the ground. The voice consists of a single motif with a duration of 0.1 second, sometimes repeated twice. It has the same acoustical quality as that of L. occidentalis - although audibly different. The sonogram shows a large number of harmonics about 330 cps apart.
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Leptopelis macrotis

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Leptopelis macrotis, sometimes called the big-eyed forest tree frog, is a species of frog in the family Arthroleptidae. It is found in the rainforests of Sierra Leone, southern Guinea, Liberia, Ivory Coast, and southern Ghana.[1][2][3][4] Notice that similar common name "big-eyed tree frog" is sometimes used for Leptopelis vermiculatus from Tanzania[5] and for Litoria exophthalmia from New Guinea.[6]

Description

Leptopelis macrotis is a large Leptopelis species: females measure 74–84 mm (2.9–3.3 in) in snout–vent length, while males are more modest at 40–46 mm (1.6–1.8 in) SVL. The dorsum is smooth and transversely-striped in shades of brown. The tympanum is large. The feet are fully webbed.[3][4]

Habitat and conservation

Its natural habitats are primary rainforests at elevations of 100–700 m (330–2,300 ft) above sea level. It lives arboreally along streams;[1] males can often be heard calling from branches near streams some 5–10 m above the ground.[3][4]

Leptopelis macrotis is a relatively common species. However, because it relies on good (i.e., non-degraded) rainforest, habitat degradation caused by agricultural expansion, logging, and human settlements is a major threat. Mining and river pollution are also potential threats. It occurs in a number of protected areas, including the Gola Forest Reserve (its type locality), Taï National Park, Kambui Hills Forest Reserve, and Bobiri Forest Reserve. The International Union for Conservation of Nature (IUCN) has assessed it as being "Vulnerable"—despite its large range, the actual area of occupancy is modest (about 236 km²), and its habitat is being lost.[1]

References

  1. ^ a b c d IUCN SSC Amphibian Specialist Group (2014). "Leptopelis macrotis". IUCN Red List of Threatened Species. 2014: e.T56263A16925323. doi:10.2305/IUCN.UK.2014-1.RLTS.T56263A16925323.en. Retrieved 17 November 2021.
  2. ^ Frost, Darrel R. (2016). "Leptopelis macrotis Schiøtz, 1967". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 11 October 2016.
  3. ^ a b c "Leptopelis macrotis Schiøtz, 1967". African Amphibians. Retrieved 2 November 2016.
  4. ^ a b c "Leptopelis macrotis". AmphibiaWeb: Information on amphibian biology and conservation. [web application]. Berkeley, California: AmphibiaWeb. 2008. Retrieved 2 November 2016.
  5. ^ "Big-eyed tree frog (Leptopelis vermiculatus)". Wildscreen ARKive. Archived from the original on 2015-11-20. Retrieved 11 October 2016.
  6. ^ Frost, Darrel R. (2016). "Ranoidea exophthalmia (Tyler, Davies, and Aplin, 1986)". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 11 October 2016.
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Leptopelis macrotis: Brief Summary

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Leptopelis macrotis, sometimes called the big-eyed forest tree frog, is a species of frog in the family Arthroleptidae. It is found in the rainforests of Sierra Leone, southern Guinea, Liberia, Ivory Coast, and southern Ghana. Notice that similar common name "big-eyed tree frog" is sometimes used for Leptopelis vermiculatus from Tanzania and for Litoria exophthalmia from New Guinea.

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