Javan Tesia

A bright-eyed, hefty billed bird of forests and scrublands. Tends to hold its tail cocked up and wings drooped, especially when feeding. Typically appears almost entirely warm brown; dark above and paler below with some gray on head. Gray Trembler lacks the brown hues of Brown Trembler and has some degree of white below. White-breasted Thrasher has largely bright white underparts and a dark red eye (not yellow as in Brown Trembler). Song is a slow jumble of rich whistles and high-pitched sibilant notes. Calls include scattered whistles and harsh scolding notes.

A small, fork-tailed, sooty-brown swallow with different plumages for the sexes: distinctive male has a pure white head and narrow black eye stripe; female has a mostly ashy head with white throat. Immature lacks white on the head. Pairs use clearings and edges of evergreen forest, open woodland, and cultivation. Resident in East Africa, but an intra-African breeding migrant in Zambia and Malawi between October and May. Superficially more similar to swifts than other swallows. Note the differences in flight style: flightier with deep wing beats and rapid changes of direction, as opposed to the more stiff-winged flight of swifts.

Rare, endangered, and poorly known hummingbird restricted to mangroves and adjacent scrubby areas along the Colombian coast. Male has sapphire underparts extending from throat all the way to belly, and lacks the distinct hood typical of the more common Sapphire-throated Hummingbird. Female’s plumage is not known with certainty, but likely resembles female Sapphire-throated Hummingbird, which has white central underparts bordered by green flanks, and white tail tips.