Alto de Buey Poison Frog

The holotype, an adult female, measured 17 mm (0.67 in) in snout–vent length. The adult male in the type series measured 15.5 mm (0.61 in) in snout–vent length; the other specimens were juveniles or not measured. These frogs are entirely yellow of various shades (yellow, greenish yellow, or golden); some individuals have small black spots on the dorsum, others also on the venter. The skin of back is slightly granular. The tympanum is round and has its postero-dorsal part concealed. Both fingers and toes lack fringes and webbing.

Its natural habitat is humid pre-montane forest at elevations of 980–1,070 m (3,220–3,510 ft) above sea level. It lives on the ground and in bromeliads. The tadpoles probably live in aroid leaf axils—almost all axils near the summit of Alto del Buey contained a tadpole, but it is not certain that they were this species, as opposed to Andinobates minutus. This frog has a very restricted range, and there is risk of habitat loss caused by smallholder agricultural activities, logging, and human settlement.

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