Perijá thistletail

The Perija thistletail (Asthenes perijana) is an Endangered species of bird in the Furnariinae subfamily of the ovenbird family Furnariidae. It is endemic to the Perijá Mountains in Colombia and Venezuela.

The Perija thistletail is 19 to 22 cm (7.5 to 8.7 in) long and weighs 16 to 21 g (0.56 to 0.74 oz). The sexes have the same plumage. Adults have a faint grayish supercilium. Their crown, back, rump, and tail are grayish olive-brown. Their wings are grayish olive-brown with chestnut on the coverts and the base of the flight feathers. Their tail is long and deeply forked with few barbs at the feather ends that give a ragged appearance. Their chin has a cinnamon-buff patch. Their throat and the rest of their underparts are brownish gray. Their iris is reddish brown, their maxilla black, their mandible grayish with a black tip, and their legs and feet gray.