French: Cormoran à aigrettes German: Ohrenscharbe Spanish: Cormorán orejudo
New Zealand; error = North America.
Sometimes placed in genus Hypoleucos. Five subspecies recognized.
Subspecies and Distribution
P. a. cincinatus
(J. F. Brandt, 1837) – Aleutian Is (E from Unalaska) to Alexander Archipelago, in SE Alaska; winters S to British Columbia (SW Canada).
P. a. albociliatus
Ridgway, 1884 – Vancouver I down coast to Gulf of California and inland in Washington, Oregon, Nevada, California and Arizona.
P. a. auritus
(Lesson, 1831) – E & C North America from Gulf of St Lawrence S to Cape Cod and W to Alberta and Utah; winters from middle of Atlantic coast to Gulf of Mexico.
P. a. floridanus
(Audubon, 1835) – SE USA (North Carolina and Florida) S to Cuba and Yucatán Peninsula.
P. a. heuretus
Watson et al., 1991 – San Salvador (S Bahamas).
76–91 cm; 710–2100+ g; wingspan 114–137 cm. Breeding adult of nominate race has head, neck and body black glossed bluish green, the head and neck sometimes... read more
Rather silent away from breeding colonies, but occasionally utters low guttural calls. Calls at... read more
Occurs equally along coast or inland: affects sheltered marine waters, including estuaries, bays... read more
Food and feeding
Almost exclusively fish: > 250 fish species from more than 60 families recorded in diet. Crustaceans, amphibians and insects... read more
Timing of breeding season varies with latitude: for example, egg-laying during Dec to Jan at Salton Sea, California, but during late Apr to... read more
Northern and inland populations migratory, although N Pacific birds only slightly so: race ... read more
Status and conservation
Not globally threatened (Least Concern). Continental population estimated at 1–2 million birds in 1989–1995, including > 372,000 breeding pairs: the... read more
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