Imperial Shag vs Auckland Islands Shag

Leucocarbo atriceps compared with Leucocarbo colensoi

Side-by-Side Comparison

Attribute Imperial Shag Auckland Islands Shag
Scientific Name Leucocarbo atriceps Leucocarbo colensoi
Order Suliformes Suliformes
Family Phalacrocoracidae Phalacrocoracidae
Conservation Status Least Concern Vulnerable
Length — —
Wingspan 59.1 cm (23.3 in) 54.7 cm (21.5 in)
Weight 2294.6666666666665 g (80.94 oz) 2000.0 g (70.55 oz)
Diet -- --
Clutch Size 1-5 3
Population Trend — —

Habitat Comparison

Shared Habitats

Imperial Shag only

None

Auckland Islands Shag only

None

Conservation Status

Least Concern

Imperial Shag

Vulnerable

Auckland Islands Shag

About These Birds

Imperial Shag

72 cm. Black above; white below; vivid orange-yellow caruncles and blue orbital ring. Breeds circumpolar southern South America, Falklands, and Antarctic Peninsula. Feeds on fish and invertebrates in cold Southern Ocean inshore waters. Diverse complex of closely related southern shag species.

Auckland Islands Shag

63 cm. Black and white; orange caruncles. Endemic to Auckland Islands, New Zealand subantarctic. Vulnerable; total population estimated at only a few thousand. Feeds on fish and invertebrates in surrounding cold ocean waters. Non-migratory; restricted to the island group.

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