White-snouted reed frog (Hyperolius frontalis)

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White-snouted reed frog
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White-snouted reed frog fact file

White-snouted reed frog description

KingdomAnimalia
PhylumChordata
ClassAmphibia
OrderAnura
FamilyHyperoliidae
GenusHyperolius (1)

Hyperolius frontalis has a conspicuous light golden triangle adorning its snout. The rest of its body is predominately bright, translucent green, with slight mottling over a smooth back (2). Like other species within the genus, Hyperolius frontalis has expanded toe pads and fairly long legs that make it an adept climber (3) (4). The call of this species is a brief, hard buzzing, repeated two to three times (2).

Size
Male length: 25 – 29 mm (2)
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White-snouted reed frog biology

Besides the broad ecological characteristics attributed to many species within the genus, almost nothing is known about the biology of this reed frog. In the wet season the reed frogs tend to gather near water, preferably smaller temporary water bodies, where they breed. However, very little is known of their whereabouts outside the breeding season (6). The clutch of this species comprises around 24 light green eggs in a clear jelly deposited on vegetation over water (2).

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White-snouted reed frog range

Hyperolius frontalis occurs in the Albertine Rift, one of the richest sites for biodiversity in Africa (1) (5). Although the Albertine Rift stretches through several central African countries, this species only occurs in eastern Democratic Republic of Congo and south-western Uganda between 700 and 2,000 metres above sea level (1).

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White-snouted reed frog habitat

This species is associated with montane forests, and has been found specifically in dense secondary vegetation overhanging a stream and in a small forest marsh (1).

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White-snouted reed frog status

Classified as Vulnerable (VU) on the IUCN Red List (1).

IUCN Red List species status – Vulnerable

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White-snouted reed frog threats

As with all other Hyperolius species occurring in the Albertine Rift, the distribution of Hyperolius frontalis is likely to be severely fragmented and its population, despite being reasonably abundant, is probably declining because of a decrease in the quality and extent of its habitat. Wood extraction, habitat conversion for agriculture and encroaching human settlement are thought to be the principal causes of habitat degradation in the Albertine Rift (1).

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White-snouted reed frog conservation

There are no known conservation measures for Hyperolius frontalis but it is known to be present in at least two protected areas, Bwindi National Park in Uganda, and Virungas National Park in the Democratic Republic of Congo (1).

View information on this species at the UNEP World Conservation Monitoring Centre.
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Find out more

For more information on conservation activities in the Albertine Rift see:

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Authentication

Authenticated (06/02/2009) by a Global Amphibian Assessment Scientist.

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Glossary

Secondary vegetation
Vegetation that has re-grown after a disturbance, such as fire or clearance.
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References

  1. IUCN Red List (April, 2008)
    http://www.iucnredlist.org/
  2. AmphibiaWeb (November, 2008)
    http://amphibiaweb.org
  3. Halliday, T. and Adler, K. (2002) The New Encyclopedia of Reptiles and Amphibians. Oxford University Press, Oxford.
  4. Duellman, W.E. and Trueb, L. (1994) Biology of Amphibians. Johns Hopkins University Press, Baltimore.
  5. Wildlife Conservation Society Albertine Rift Programme (November, 2008)
    http://www.albertinerift.org
  6. Schiøtz, A. (2009) Pers. comm.
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Image credit

White-snouted reed frog  
White-snouted reed frog

© Arne Schiøtz

Arne Schiøtz
arne@schiotz.dk

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