nuthatch-vanga Hypositta corallirostris

Small blue vanga that acts like a creeper or small woodpecker, feeding by climbing up tree trunks. Male is all blue, while female is greenish-blue on the back; both have a coral-colored bill. Madagascar endemic that is found in eastern rainforest at low and middle elevations. Usually in pairs, which are typically part of mixed flocks of other bird species. Most common call is a high, accelerating, slurred trill. Size, color, and tree-creeping habits make it distinctive.