Green-crowned Warbler

A distinctive green-and-yellow species, slightly larger than a becard, with scaled sides and breast, a long hooked bill, and large eyes. Males have a black cap with olive-green cheeks and back and heavily scaled underparts. Females are slightly duller with a less solid black cap. Endemic to southeast Brazil, where it is local, rare, and infrequently seen. Found in humid forests where it can be seen foraging from the understory all the way to the subcanopy. The song is a very thin, high-pitched, slurred “psieeeehh,” rising sharply at the end, and repeated regularly.

Large, distinctive hummingbird. Males have bright blue underparts with maroon tail and downcurved bill. With a quick view, might be confused with a violetear or Green-backed Hillstar, but tail color and entirely blue underparts are distinctive. Females are grayer on the belly with a grayish mustache stripe; note maroon tail. Occurs in the subtropical zone of the Andes from Venezuela to Ecuador. Visits feeders, but also found in forests and edges.

Extremely rare, large, elongated brown warbler with a long slender bill. Fairly similar in appearance to West Himalayan, Chinese, Baikal, and Spotted Bush Warblers, but breeding ranges do not overlap. Like other bush warblers, typically very skulking and furtive, preferring to run instead of fly when threatened. Emerges onto small bushes to sing, producing a dull clicking that would underwhelm a grasshopper. Breeds in weedy and bushy slopes in open alpine and subalpine areas; wintering habitat poorly understood but presumed to be similar habitat at lower altitudes. Very few sightings in recent years.