Chestnut-crowned becard

The chestnut-crowned becard (Pachyramphus castaneus) is a species of bird in the family Tityridae, the tityras, becards, and allies. It is found in Argentina, Bolivia, Brazil, Colombia, Ecuador, Peru, Paraguay, and Venezuela.

The chestnut-crowned becard is about 14 to 15 cm (5.5 to 5.9 in) long and weighs about 17 g (0.60 oz). The sexes have the same plumage. Adults of the nominate subspecies P. c. castaneus have a dark chestnut-rufous crown with a scaly appearance, dusky lores, a pale buff-whitish line above the lores, a gray line above the eye that widens and extends around the nape, and pale cinnamon cheeks. Their upperparts are mostly cinnamon-rufous. Their wings are mostly dusky cinnamon with dusky rufous coverts and dusky flight feathers with light cinnamon-rufous edges. Their tail is cinnamon-rufous. Their underparts are pale cinnamon-buff that is paler on the throat.

Subspecies P. c. saturatus has darker and more chestnut upperparts and a slightly grayer and less scaly crown than the nominate. P. c. intermedius and P. c. amazonus have slightly paler upperparts and tail than the nominate. P. c. parui is darker overall than the nominate with a more dusky chestnut crown. All subspecies have a dark iris, a blackish bill, and dusky legs and feet.