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Side-by-Side Comparison

属性	Stewart Island Shag	Chatham Islands Shag
学名	Leucocarbo chalconotus	Leucocarbo onslowi
目	Suliformes	Suliformes
科	Phalacrocoracidae	Phalacrocoracidae
保护状况	Vulnerable	Critically Endangered
体长	—	—
翼展	56.7 cm (22.3 in)	51.8 cm (20.4 in)
体重	2368.75 g (83.56 oz)	2095.0 g (73.90 oz)
食性	--	--
产卵数	2-3	3
Population Trend	—	—

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Habitat Comparison

共同栖息地

🏖️ Coastal

Stewart Island Shag only

无

Chatham Islands Shag only

无

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保护状况

Vulnerable

Stewart Island Shag

Critically Endangered

Chatham Islands Shag

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About These Birds

Stewart Island Shag

68 cm. Black and white pied shag; dark forms also occur; orange caruncles. Endemic to Stewart Island and southern South Island coast, New Zealand. Vulnerable; feeds on fish in cold coastal waters. Colonial nester on cliff ledges; closely related to other New Zealand endemic shags.

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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