Black-thighed Grosbeak

About the Black-thighed Grosbeak

The black-thighed grosbeak (Pheucticus tibialis) is a bird in the family Cardinalidae, the cardinals, grosbeaks, and “tanager” allies. It is found in Costa Rica and Panama. The black-thighed grosbeak was formally described in 1867 with its current binomial Pheucticus tibialis. Some authors have treated it, the yellow grosbeak (P. chrysopeplus), and the golden grosbeak (P. chrysogaster) as conspecific.

The black-thighed grosbeak is monotypic. The black-thighed grosbeak is 20 cm (7.9 in) long and weighs an average of about 62 g (2.2 oz). Adult males have a bright yellow head, nape, and upper mantle. Their lores are gray-black and their ear coverts and throat are yellow mottled with black. Their lower mantle is black with yellow edges on the central feathers. Their lower back and rump are bright yellow and their uppertail coverts black with yellow tips. Their wings are mostly black with wide white bases on the primaries that show as a large flash. Their tail is black. Their breast is deep yellow with darker mottling and the rest of their underparts yellow. Their thigh feathers are black. Adult females are duller than males, especially on... Wikipedia →