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Side-by-Side Comparison

Attribute	Chatham Islands Shag	Bounty Islands Shag
Scientific Name	Leucocarbo onslowi	Leucocarbo ranfurlyi
Order	Suliformes	Suliformes
Family	Phalacrocoracidae	Phalacrocoracidae
Conservation Status	Critically Endangered	Vulnerable
Length	—	—
Wingspan	51.8 cm (20.4 in)	52.4 cm (20.6 in)
Weight	2095.0 g (73.90 oz)	2475.0 g (87.30 oz)
Diet	--	--
Clutch Size	3	2-3
Population Trend	—	—

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Habitat Comparison

Shared Habitats

🏖️ Coastal

Chatham Islands Shag only

None

Bounty Islands Shag only

None

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Conservation Status

Critically Endangered

Chatham Islands Shag

Vulnerable

Bounty Islands Shag

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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.

Bounty Islands Shag

60–65 cm. Black and white pied shag; orange facial caruncles; pink feet. Endemic to Bounty Islands, New Zealand subantarctic. Vulnerable; total population fewer than 600 birds on remote barren islets. Feeds on fish in cold surrounding waters; does not disperse far from breeding islands.

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