Green Shrike-Vireo

The green shrike-vireo is 12 to 15 cm (4.7 to 5.9 in) long and weighs 22 to 30 g (0.78 to 1.1 oz). It is a bulky bird and a large member of its family. The sexes have the same plumage. They have a cerulean blue crown and nape with some green in the center of the crown. The sides of their head and their upperparts are bright green. Their chin and throat are yellow and the rest of their underparts mostly light yellowish green. The green is deeper on the flanks and the undertail coverts are greenish yellow. Voice: The green shrike-vireo's song has been described as "a repeated sweet peter-peter-peter or peer-peer-peer" and its call "a raspy djehr-djehr-djehr...". In Costa Rica it sings "peeta-peeta-peeta" on the Caribbean slope and "peer-peer-peer" on the Pacific slope.