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Bokermannohyla izecksohni

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Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA CHORDATA AMPHIBIA ANURA HYLIDAE

Scientific Name: Bokermannohyla izecksohni
Species Authority: (Jim and Caramaschi, 1979)
Taxonomic Notes: This species was previously included in the genus Hyla but has recently been moved to the genus Bokermannohyla (Faivovich et al. 2005).

Assessment Information [top]

Red List Category & Criteria: Critically Endangered B1ab(iii,v)+2ab(iii,v) ver 3.1
Year Published: 2004
Date Assessed: 2004-04-30
Assessor(s): Miguel Trefaut Rodrigues, Carlos Alberto Gonçalves da Cruz
Reviewer(s): Global Amphibian Assessment Coordinating Team (Simon Stuart, Janice Chanson, Neil Cox and Bruce Young)
Justification:
Listed as Critically Endangered because its Extent of Occurrence is less than 100 km2 and its Area Of Occupancy is less than 10km2, all individuals are in a single location, and there is continuing decline in the extent and quality of its habitat, and in the number of mature individuals, in the state of São Paulo, southern Brazil.
History:
1996 Data Deficient
1994 Insufficiently Known (Groombridge 1994)

Geographic Range [top]

Range Description: This species is known only from Rubião Júnior, Botucatu, in the state of São Paulo, Brazil.
Countries:
Possibly extinct:
Brazil
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: Surveys to locate this species in recent years have not found any individuals.
Population Trend: Decreasing

Habitat and Ecology [top]

Habitat and Ecology: It was originally found on vegetation or on forest leaf-litter near streams. The type specimen was found in a temporary pond, which has subsequently disappeared. It breeds in temporary ponds.
Systems: Terrestrial; Freshwater

Threats [top]

Major Threat(s): The type locality of the species has been destroyed by agriculture and human settlement.

Conservation Actions [top]

Conservation Actions: The current known range of the species is not within any protected area. Further survey work is needed to determine if it occurs outside the vicinity of the type locality, and if it even still persists at the type locality.

Bibliography [top]

Faivovich, J., Haddad, C.F.B., Garcia, P.C.O., Frost, D.R., Campbell, J.A. and Wheeler, W.C. 2005. Systematic review of the frog family Hylidae, with special reference to Hylinae: Phylogenetic analysis and taxonomic revision. Bulletin of the American Museum of Natural History 294: 1-240.

IUCN. 2004. 2004 IUCN Red List of Threatened Species. www.iucnredlist.org. Downloaded on 23 November 2004.

Jim, J. and Caramaschi, U. 1979. Uma nova espécie de Hyla da região de Botucatu, São Paulo, Brasil (Amphibia, Anura). Revista Brasileira de Biologia: 717-719.


Citation: Miguel Trefaut Rodrigues, Carlos Alberto Gonçalves da Cruz 2004. Bokermannohyla izecksohni. The IUCN Red List of Threatened Species. Version 2014.1. <www.iucnredlist.org>. Downloaded on 22 July 2014.
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