Marañon Crescentchest

A slim, long-billed sunbird in which breeding males and females are very different. Breeding males are mostly dark green with a red-and-yellow band across the underparts. Females are plain, with gray-brown upperparts and white underparts tinged with yellow. Found in a wide variety of open habitats including savanna, woodland, and gardens. Similar to Black-bellied Sunbird, but breeding males are separated by the more extensive yellow in their belly band, and females by their reduced streaking below. Little or no range overlap with Gorgeous Sunbird, but if in doubt the green belly of breeding male Beautiful Sunbird will identify it. The common call is a quiet chipping, and the song is a high-pitched jumble typical of sunbirds.

Medium-sized antpitta found in the Andes of Bolivia and far southeastern Peru near the border. Adult is grayish-brown with a rufous face and a white throat and belly. The rarely-seen juvenile is darker and heavily barred with buff. Inhabits dense understory of humid forest; usually stays on the ground when not singing, making it very hard to see. Typical song consists of three short whistles; the first note is lower in pitch than the other two.

Typical Cuculus cuckoo: most adults are gray with black stripes on a white breast and belly, but some females are “hepatic”; they appear rufous overall with extensive barring. Virtually identical to Himalayan and Oriental cuckoos, which migrate through and winter in Sunda’s range; look for Sunda’s more contrasting darker gray upperparts, wider bars on the underparts, and buffier unmarked vent. Juvenile is dark grayish black above with white edging to the feathers. Like most cuckoos, more often heard than seen; listen for its 2–3 note hooting song, which averages higher than that of Oriental. A species of montane and foothill forest.