''Allobates ignotus'', the nurse frog of the Serranía de Perijá, is a species of frog in the family

Aromobatidae The Aromobatidae are a family of frogs native to Central and South America. They are sometimes referred to as cryptic forest frogs or cryptic poison frogs. They are the sister taxon of the Dendrobatidae, the poison dart frogs, but are not as tox ...

. It is endemic to

Colombia Colombia, officially the Republic of Colombia, is a country primarily located in South America with Insular region of Colombia, insular regions in North America. The Colombian mainland is bordered by the Caribbean Sea to the north, Venezuel ...

Description

The adult male frog measures long in snout-vent length and the adult female . Adults have three stripes on each side of their bodies. The adults are brown in color with darker marks on the back and head. The forelegs are dull yellow in color. Female frogs have yellow hind legs. There are dark brown rings on all four legs.

Habitat

This diurnal frog lives in humid forests. Scientists saw them near streams and on

leaf litter Plant litter (also leaf litter, tree litter, soil litter, litterfall, or duff) is dead plant material (such as leaves, bark, needles, twigs, and cladodes) that has fallen to the ground. This detritus or dead organic material and its constituen ...

. People have also seen the frogs in fields where people grow amapola and marijuana. Scientists observed the frog between above sea level.

Reproduction

The tadpoles develop near the edges of streams. At stage 29, the tadpole can measure in length. Its body is oval in shape. The tail is longer than the rest of the body. The nose is round. The skin is transparent, and the intestines are visible to the naked eye.

Threats

The IUCN classifies this frog as endangered. Although it has shown some tolerance to habitat disturbance and has been found on farmland, the herbicides and pesticides from those farms can enter the waterways that the frog uses to breed. It is also subject to habitat loss in favor of livestock grazing, and the many coal mines in its range pose their own threat.

Original description

References

Frogs of South America Amphibians described in 2012 Endemic fauna of Colombia ignotus {{Aromobatidae-stub