Lark-like Brushrunner

About the Lark-like Brushrunner

The lark-like brushrunner (Coryphistera alaudina) is a species of bird in the Furnariinae subfamily of the ovenbird family Furnariidae. It is found in Argentina, Bolivia, Brazil, Paraguay, and Uruguay. The lark-like brushrunner is genetically most closely related to the firewood-gatherer (Anumbius annumbi), and they may be sister species. The lark-like brushrunner is the only member of its genus and has two subspecies, the nominate C. a. alaudina (Burmeister, 1860) and C. a. campicola (Todd, 1915).

The lark-like brushrunner is 15 to 17 cm (5.9 to 6.7 in) long and weighs 27 to 42 g (0.95 to 1.5 oz). It is an unusual furnariid that, as its name implies, resembles a lark with an erect crest. The sexes have the same plumage. Adults of the nominate subspecies have white around their eye that extends onto the ear coverts that are otherwise cinnamon-rufous. Their lores are dull brownish. Their forehead is rufescent brownish and their crown and crest very dark brown. Their back is pale dull brown with vague darker streaks on the upper part that become wider and darker on the lower back, rump, and uppertail coverts. Their crown has narrow blackish... Wikipedia →