Great Cormorant
Phalacrocorax carbo
(P. c. sinensis)
See Plate 2 for Great Cormorant and other similar species
Resident Status: |
Year-round resident |
Abundance: |
Uncommon |
Length: | 80-100 cm, Wing Span:130-160 cm
|
Distribution Map: |
Map 8. |
Adult (Breeding): |
Mostly white head and white oval patches on thighs. Body black with green gloss on upperparts. |
Adult (Non-breeding): |
Lacks green gloss and white on head and thighs. |
Juvenile: |
Black-brown above with off-white underparts. Neck band is variable in size. |
Similar Species: |
Differs from Pygmy Cormorant by blacker plumage and body that is about twice its size. |
Behavior: |
Often perches on rocks or trees with outstretched wings. Flocks fly in V-formation or in straight or bowed lines. Flies with neck extended and slightly kinked. |
Habitat: |
Lakes, marshes, rivers, and fish ponds with emergent vegetation. Concentrations of resting birds occur on lake shores. |
Food: |
Fish. |
Nest: |
Colonial; conical piles of reeds in emergent vegetation. |
Eggs: |
66 mm, 3-4, pale blue or green. |