Leptopelis susanae
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Order: Anura
Family: Arthroleptidae
Genus: Leptopelis
Species:
L. susanae
Binomial name
Leptopelis susanae
Largen, 1977[2]

Leptopelis susanae is a species of frog in the family Arthroleptidae.[1][3][4][5] It is endemic to southwest Ethiopia and known from the Gughe Mountains and Saja Forest.[1] The specific name susanae honours Susan, the wife of the describer, Malcolm Largen.[2][6] Common names Susan's tree frog and Susana's [sic] forest treefrog have been coined for this species.[1][3]

Description

Adult males measure 32–37 mm (1.3–1.5 in) and adult females 48–53 mm (1.9–2.1 in) in snout–vent length. The habitus is relatively stocky. The snout is short, broadly rounded or truncated in profile.[2][4][5] The eyes conspicuously large and protruding. The tympanum is round and fairly conspicuous. Digital discs are of moderate size. The webbing between the toes and the two outermost fingers is moderate.[2] The dorsum varies from pale grey or brown to brick red or pale to bright yellowish green. There are darker golden or grey-brown to blackish markings that usually form a pattern consisting of a mid-dorsal stripe (often bifurcating anteriorly) connected to the interorbital bar, as well as a pair of shorter dorsolateral stripes or blotches. A brown or blackish canthal stripe runs at least to the shoulder region, after which it typically breaks up into a series of large, irregular blotches. The venter is white with faint mottling.[2][4][5]

The male advertisement call is a quiet "click" that may be accompanied by a low scream or creaking sound.[4][5]

Habitat and conservation

Leptopelis susanae occurs in montane forest remnants at elevations of 1,960–3,000 m (6,430–9,840 ft) above sea level; it does not occur in degraded habitats.[1] Males call from exposed sites on stream-side vegetation about 25–150 cm (9.8–59.1 in) above the ground.[1][2][4][5] Presumably, the eggs are deposited in nests on land near the water, and the tadpoles develop in the water.[1]

Leptopelis susanae was relatively abundant common at two adjacent Gughe Mountains locations in 1975, but more recent surveys have found only few specimens. The species is threatened by forest clearance, human settlement, and agricultural encroachment. At present, only small patches of montane forest remain. It is not known to occur in any protected areas.[1]

References

  1. 1 2 3 4 5 6 7 8 IUCN SSC Amphibian Specialist Group (2013). "Leptopelis susanae". IUCN Red List of Threatened Species. 2013: e.T56281A16947955. doi:10.2305/IUCN.UK.2013-1.RLTS.T56281A16947955.en. Retrieved 15 November 2021.
  2. 1 2 3 4 5 6 Largen, M. J. (1977). "The status of the genus Leptopelis (Amphibia Anura Hyperoliidae) in Ethiopia, including descriptions of two new species". Monitore Zoologico Italiano. Nuova Serie, Supplemento. 9: 85–136. doi:10.1080/03749444.1977.10736845.
  3. 1 2 Frost, Darrel R. (2018). "Leptopelis susanae Largen, 1977". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 22 September 2018.
  4. 1 2 3 4 5 "Leptopelis susanae Largen, 1977". African Amphibians. Retrieved 22 September 2018.
  5. 1 2 3 4 5 "Leptopelis susanae". AmphibiaWeb. University of California, Berkeley. 2008. Retrieved 22 September 2018.
  6. ↑ Beolens, Bo; Watkins, Michael & Grayson, Michael (2013). The Eponym Dictionary of Amphibians. Pelagic Publishing. p. 209. ISBN 978-1-907807-42-8.
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