Chatham Islands Shag vs Japanese Cormorant

Leucocarbo onslowi compared with Phalacrocorax capillatus

Side-by-Side Comparison

Attribute Chatham Islands Shag Japanese Cormorant
Scientific Name Leucocarbo onslowi Phalacrocorax capillatus
Order Suliformes Suliformes
Family Phalacrocoracidae Phalacrocoracidae
Conservation Status Critically Endangered Least Concern
Length
Wingspan 51.8 cm (20.4 in) 62.9 cm (24.8 in)
Weight 2095.0 g (73.90 oz) 2837.5 g (100.09 oz)
Diet -- --
Clutch Size 3 4-5
Population Trend

Habitat Comparison

Shared Habitats

Chatham Islands Shag only

None

Japanese Cormorant only

None

Conservation Status

Critically Endangered

Chatham Islands Shag

Least Concern

Japanese Cormorant

About These Birds

Chatham Islands Shag

63 cm. Black and white; orange-red caruncles at bill base. Endemic to Chatham Islands, New Zealand. Critically Endangered; total population fewer than 1,000 birds. Restricted to a few Chatham Islands colonies; feeds on fish and invertebrates in surrounding coastal waters.

Japanese Cormorant

84 cm. Large; black with white facial spots and white flanks in breeding; yellow gape. Breeds on rocky coasts of Japan, Korea, and northeastern China. Resident; feeds on fish in cold Pacific waters. Trained for cormorant fishing (ukai) in Japan for centuries.

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