Double-crested Cormorant
Image: Bill Palmer (cc-by-nc)
NameDouble-crested Cormorant
Common NameDouble-crested Cormorant
Scientific NameNannopterum auritum
FamilyPhalacrocoracidae
Wingspan (cm)118.5
Length (cm)80.5
Weight (g)1850
Plumage DetailsAdults are mostly dull black or dark brownish-gray with a greenish sheen. During breeding season, they may develop small, curly crests on either side of the head. The bare skin on the face and throat pouch is a distinctive bright orange-yellow.
Vocalization / CallGenerally silent outside of nesting colonies, where they produce low, guttural grunts, croaks, and hisses.
Primary Dietpiscivore
Primary Habitatscoastal waters, estuaries, lakes, rivers, ponds, reservoirs
Conservation Statusleast-concern
Geographic RangeWidespread across North America, breeding from Alaska and Canada south to Mexico and the Caribbean, and wintering along coasts and inland waterways.
Identifying FeaturesDark, almost black plumage, Long, hooked bill, Orange-yellow bare skin on face and throat pouch, Often seen standing with wings spread to dry, Low-slung profile in water
Description
This large, dark waterbird is commonly found in aquatic environments, where it dives to catch fish. It is often seen perching with its wings spread wide to dry its feathers, a characteristic behavior due to its less waterproof plumage.
