B. poliosomus, [166];

B. solitarius, [165];

B. swainsoni, [166];

B. vulgaris, [165], [166]

Buteogallus aequinoctialis, [168]

Buteola brachyura, [166];

B. leucorrhoa, [166]

Buteoninae, [146], [164] f.

Buthraupis, [575]

Butorides, [88]-[90];