jordivanoort 的鑑定

Eupodotis melanogaster
64cm, 25"
[Black-bellied Korhaan]
Ad is a medium-sized black-bellied bustard which is very similar to Hartlaub's Bustard. Identified by less black on face, greyer-brown cheek, a brown-backed neck, and a brown and buff rump and tail barred dark brown. Ad is separated from extremely similar Hartlaub's by a finely vermicalated brown neck. Imm similar to ad . In flight, ad is black below with a large white patch in primaries and black trailing edge to secondaries. HH singles and pairs are widespread and common in wetter open, bushed and wooded grassland to 2500m. In display flight, climbs with exaggerated wing beats and glides to ground. Vo displaying starts with an intake of breath, makes a loud nasal upslur (followed by a pause of up to 10 seconds) before a short low growl and an explosive pop.