About the Russet-crowned Warbler
The russet-crowned warbler (Myiothlypis coronata) is a species of bird in the family Parulidae, the New World warblers. It is found in Bolivia, Colombia, Ecuador, Peru, and Venezuela. The russet-crowned warbler was formally described in 1844 with the binomial Myiodioctes coronatus. By the 1920s it had been reassigned to genus Basileuterus. By 2007 taxonomic systems had begun to resurrect genus Myiothlypis, which had been erected in 1850, for the russet-crowned warbler and many other species.
The russet-crowned warbler has these eight subspecies: The russet-crowned warbler is about 14 cm (5.5 in) long and weighs 13.5 to 19.5 g (0.48 to 0.69 oz). The sexes have the same plumage. Adults of the nominate subspecies M. c. coronata have a mostly gray head with an orange-rufous crown stripe with black borders, a long thin black stripe through the eye, and a grayish white throat. Their upperparts, wings, and tail are olive-green with a slight bronze tinge on the upperparts. Their underparts are yellow. Juveniles have an olive-brown head, upperparts, and breast. Their median and greater wing coverts have cinnamon tips that show as two faint wing... Wikipedia →