Taxonomy

Animalia Chordata Vertebrata Amphibia Anura Hyperoliidae Hyperolius Hyperolius zonatus

Taxonomic notes: Section empty

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Geographic Range

This species in found in the Upper Guinea Forest Block ranging from eastern Sierra Leone to southcentral Côte d’Ivoire, through to extreme southern Guinea. In 2010, it was recorded in Danipleu village in the Danané region of western Côte d’Ivoire. It presumably occurs in Liberia, and this area is included in the species' distribution on the map, however there do not appear to be any confirmed records.
Using the range as a proxy, the EOO (extent of occurrence) was estimated to be 145,241 km2.

There is no citation for the the 2010, Côte d’Ivoire record. Is there any information available on the AOO, number of threat-defined locations or elevational range for this species? EJM

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Population

It is a relatively common species, but is believed to be declining.

It seems to be a rare species (N.G. Kouame pers. comm. June 2012).
There is conflicting information (above) as to the abundance of this species, which level is a more accurate reflection of what we know about this species? EJM

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Habitat

It lives only in primary rainforest and is usually found close to small temporary ponds and swamps. Eggs are laid on vegetation above small, stagnant pools.

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Use Trade

There are no records of this species being utilized.

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Threats

Its forest habitat is being degraded by agricultural expansion, logging and expanding human settlements.

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Specific Threats

  • 2.1.2 Small-holder farming
  • 1.1 Housing & urban areas
  • 5.3.5 Motivation Unknown/Unrecorded

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Conservation Actions

It occurs in Haute Dodo and Cavally Classified Forests, Mount Nimba World Heritage Site, and presumably in several other protected areas. More information is needed on this species' distribution, population status, natural history, and threats.

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Specific Actions

  • 2.1 Site/area management

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Red List Rationale

Listed as Near Threatened because although its Extent of Occurrence is somewhat greater than 20,000 km2, and the extent and quality of its forest habitat in Cote d'Ivoire, Guinea, Liberia and Sierra Leone is declining, thus making the species close to qualifying for Vulnerable.

According to our records this species may not have been formally reassessed. The estimate for the EOO was significantly above 20,000 km2, at 145,241 km2. Is the assessment as NT still appropriate? Is there information on the AOO or number of threat-defined locations that would support the statement that this species is close to qualifying for VU? EJM

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Bibliography

  • Laurent, R.F. 1958. Les rainettes du genre Hyperolius. Memoires de l'Institution Fondamental d'Afrique Noire 53: 275-299.
  • Rödel, M.-O. 2000. Les communautes d'amphibiens dans le Parc National de Tai, Cote d'Ivoire. Les anoures comme bio-indicateurs de l 'etat des habitats. Rapport de Centre Suisse de la Recherche Scientifique, Abidjan: 108-113.
  • Rödel, M.-O. 2003. The amphibians of Mont Sangbé National Park, Ivory Coast. Salamandra: 91-110.
  • Schiøtz, A. 1967. The treefrogs (Rhacophoridae) of West Africa. Spolia Zoologica Musei Hauniensi 25: 1-346.
  • Schiøtz, A. 1999. Treefrogs of Africa. Edition Chimaira, Frankfurt am Main.

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