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Duellmanohyla lythrodes

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Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA CHORDATA AMPHIBIA ANURA HYLIDAE

Scientific Name: Duellmanohyla lythrodes
Species Authority: (Savage, 1968)
Common Name(s):
English Savage's Brook Frog
Synonym(s):
Hyla lythrodes Savage, 1968
Taxonomic Notes: Further taxonomic work is needed to finally determine whether Duellmanohyla lythrodes is a synonym of Duellmanohyla rufioculis (Federico Bolaños pers. comm. 2007).

Assessment Information [top]

Red List Category & Criteria: Endangered B1ab(iii) ver 3.1
Year Published: 2014
Date Assessed: 2013-07-14
Assessor(s): IUCN SSC Amphibian Specialist Group & NatureServe
Reviewer(s): Luedtke, J.
Contributor(s): Jaramillo, C., Bolaños, F., Solís, F., Chaves, G., Savage, J., Fuenmayor, Q. & Ibáñez, R.
Facilitator/Compiler(s): Young, B.E. & Nowakowski , J.
Justification:
Listed as Endangered because its extent of occurrence is estimated at 1,336 km2, it is currently known from few locations (≤ 5), and there is continuing decline in the extent and quality of its habitat. 
History:
2008 Endangered

Geographic Range [top]

Range Description: This species is known from the humid lowlands of the Atlantic versant in southern Costa Rica and adjacent north-western Panama, from 170-440 m asl (Savage 2002). Its range, taken as a proxy for extent of occurrence (EOO), is estimated at 1,336 km2. 

Countries:
Native:
Costa Rica; Panama
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: It is a rare species known only from three specimens.

Population Trend: Unknown

Habitat and Ecology [top]

Habitat and Ecology: The few known specimens have been collected on low vegetation (approximately 3 m above ground) within humid lowland forest. The species may be associated with headwater streams (Savage 2002). Larval development is presumed to take place in these streams.
Systems: Terrestrial; Freshwater

Use and Trade [top]

Use and Trade: There is no information on use and trade for this species.

Threats [top]

Major Threat(s): The major threat to the species is general habitat loss due to deforestation for smallholder farming activities, logging, and human settlement. Chytridiomycosis is also a potential threat to this species.

Conservation Actions [top]

Conservation Actions: It has not been recorded from any protected areas in the lowlands, but has been recorded from private reserves in Monteverde. The lowland forest habitat of this species is in urgent need of protection. Further research is needed to determine the current population status of this species, and whether it is at risk of infection with chytrid.

Citation: IUCN SSC Amphibian Specialist Group & NatureServe 2014. Duellmanohyla lythrodes. The IUCN Red List of Threatened Species. Version 2014.2. <www.iucnredlist.org>. Downloaded on 25 October 2014.
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