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Side-by-Side Comparison

Attribute	South Georgia Shag	Chatham Islands Shag
Scientific Name	Leucocarbo georgianus	Leucocarbo onslowi
Order	Suliformes	Suliformes
Family	Phalacrocoracidae	Phalacrocoracidae
Conservation Status	Not Evaluated	Critically Endangered
Length	—	—
Wingspan	—	51.8 cm (20.4 in)
Weight	2678.0 g (94.46 oz)	2095.0 g (73.90 oz)
Diet	--	--
Clutch Size	2-3	3
Population Trend	—	—

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Habitat Comparison

Shared Habitats

🏖️ Coastal

South Georgia Shag only

None

Chatham Islands Shag only

None

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Conservation Status

Not Evaluated

South Georgia Shag

Critically Endangered

Chatham Islands Shag

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About These Birds

South Georgia Shag

62 cm. Black and white; orange caruncles. Endemic to South Georgia and surrounding subantarctic islands. Feeds on fish in cold, productive South Georgia waters. Colonial nester on cliff ledges; closely related to Imperial Shag complex. Resident; does not migrate far from islands.

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.

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