Litoria humboldtorum

Litoria humboldtorum is a species of frog in the family Pelodryadidae (alternatively in the subfamily Pelodryadinae of Hylidae[3]). It is endemic to the Papua Province of Indonesia, and found on Yapen Island (its type locality) as well as on the foothills of the Foja Mountains in the mainland New Guinea.[4] The specific name refers to Alexander von Humboldt, Wilhelm von Humboldt, Humboldt University of Berlin, and its Museum für Naturkunde.[2]

Litoria humboldtorum

Least Concern  (IUCN 3.1)[1]
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Order: Anura
Family: Pelodryadidae
Genus: Litoria
Species:
L. humboldtorum
Binomial name
Litoria humboldtorum
Günther, 2006[2]

Description

Males measure 41–47 mm (1.6–1.9 in) in snout–vent length. The snout bears a conspicuous dermal spike. The tympanum is small but prominent. Fingers are long, extensively webbed, and with large terminal discs. Dorsal colour varies and can be light blue-grey, greenish, brownish, or a mixture of greenish and brownish. There are blackish or brownish markings which, together with crenulated fringes on extremities and skin lappets on margin of lower jaw, contribute to camouflage of resting individuals.[2]

The male advertisement call typically consists of three notes, one long note with several subnotes, and two short notes, without subnotes. Dominant frequency is about 1800 Hz. Calling starts at dusk and lasts until at least midnight.[2]

Habitat and conservation

Litoria humboldtorum inhabits primary tropical moist forest, but it can also be found in partly logged and regenerating areas of forest. These frogs are typically found near water or road margins, perched on vegetation 2–6 m above the ground. The altitudinal range is 500 to 1,050 m (1,640 to 3,440 ft) asl.[1]

Litoria humboldtorum is an uncommon species, but it appears to be reasonably adaptable, and no threats have been identified.[1]

References
  1. Günther, Rainer & Stephen Richards (2008). "Litoria humboldtorum". IUCN Red List of Threatened Species. 2008: e.T135897A4217895. doi:10.2305/IUCN.UK.2008.RLTS.T135897A4217895.en.
  2. Günther, Rainer (2006). "A remarkable new species of the genus Litoria (Amphibia, Anura, Hylidae) from north-western New Guinea". Mitteilungen aus dem Museum für Naturkunde in Berlin. Zoologische Reihe. 82 (1): 179–190. doi:10.1002/mmnz.200600004.
  3. "Litoria humboldtorum". AmphibiaWeb. University of California, Berkeley. 2018. Retrieved 3 April 2018.
  4. Frost, Darrel R. (2018). "Litoria humboldtorum Günther, 2006". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 3 April 2018.
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