The Black-collared Hawk (Busarellus nigricollis) is a short-tailed hawk with very broad wings that dwells from C Mexico to N Argentina. It feeds of fish. Prefers the vicinities of stagnant bodies of water in forested or open country. It perches overlooking water, and catches its prey immersing rarely more than legs and feet.
51cm (20”), 650g. Iris chestnut; cere blackish; legs dull flesh. Rufous with black strikes on mantle; black crescent on chest, buffy-white head; on the tail, black subterminal band and narrow bands towards base. Young: Very broad dusky-black chest patch; above brown; below pale buff; witish head; head and underparts striked with blackish.