Atelopus senex
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SPECIES
Atelopus senex

Atelopus senex (common name: pass stubfoot toad) is an extinct species of toad in the family Bufonidae. It was endemic to Costa Rica and known from the Cordillera Central and Cordillera de Talamanca at elevations of 1,100–2,200 m (3,600–7,200 ft) asl.

Appearance

Males measure 28–32 mm (1.1–1.3 in) and females 30–43 mm (1.2–1.7 in) in snout–vent length. Males are bluish gray, blue-green, black, or occasionally greenish, without patterning. Females may have patterning consisting of cream, lemon, or lime-coloured lighter areas.

References

1. Atelopus senex Wikipedia article - https://en.wikipedia.org/wiki/Atelopus_senex
2. Atelopus senex on The IUCN Red List site - https://www.iucnredlist.org/species/54549/54358350

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