French: Buse à tête blanche German: Fischbussard Spanish: Busardo colorado
Two subspecies recognized.
Subspecies and Distribution
B. n. nigricollis
(Latham, 1790) – C Mexico (from S Sinaloa and S Veracruz) S through Central America to South America, W to NE Ecuador and E Peru, E to the Guianas#R, and S to Bolivia and S Brazil.
B. n. leucocephalus
(Vieillot, 1816) – E Bolivia (Santa Cruz), Paraguay, N Argentina (S to Salta, Santa Fe and Entre Ríos) and N Uruguay#R.
45·5–58 cm; male 391–990 g, female 580–1070 g; wingspan 115–143 cm. Broad wings and fairly short tail; small head and short neck white to buff... read more
Considered to be generally quiet, except when breeding: a pig-like squeal that is sometimes... read more
Tropical zone, near fresh or brackish water, including mangroves, ricefields, dykes, marshes and... read more
Food and feeding
Mostly fish (e.g. Hoplias malabaricus, Serrasalmus spilopleura, Hoplerythrinus unitaeniatus), but also some... read more
Very poorly known. Lays in Jun–Dec in Surinam, Apr in Guyana, May in SW Brazil, Aug/Sept in Paraguay, and Jul–Sept in N... read more
Mainly sedentary, but may move nomadically in response to changing water levels; most common along... read more
Status and conservation
Not globally threatened (Least Concern). CITES II. Quite common in appropriate habitat in many parts of extensive range, but presence patchy in many areas, e.g. in S Brazil... read more
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