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Side-by-Side Comparison

คุณสมบัติ	Chatham Islands Shag	Spectacled Cormorant
ชื่อวิทยาศาสตร์	Leucocarbo onslowi	Urile perspicillatus
อันดับ	Suliformes	Suliformes
วงศ์ตระกูล	Phalacrocoracidae	Phalacrocoracidae
สถานะการอนุรักษ์	Critically Endangered	Extinct
ความยาว	—	—
กว้างปีก	51.8 cm (20.4 in)	—
น้ำหนัก	2095.0 g (73.90 oz)	—
อาหาร	--	--
จำนวนไข่	3	--
Population Trend	—	—

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Habitat Comparison

ถิ่นที่อยู่อาศัยร่วมกัน

🏖️ Coastal

Chatham Islands Shag only

ไม่มี

Spectacled Cormorant only

ไม่มี

{# ════════════════════════════════════════════════════════════════════════ Song & Call Comparison ════════════════════════════════════════════════════════════════════════ #} {# ════════════════════════════════════════════════════════════════════════ Geographic Range & Migration ════════════════════════════════════════════════════════════════════════ #} {# ════════════════════════════════════════════════════════════════════════ Conservation Status Comparison ════════════════════════════════════════════════════════════════════════ #}

สถานะการอนุรักษ์

Critically Endangered

Chatham Islands Shag

Extinct

Spectacled Cormorant

{# ════════════════════════════════════════════════════════════════════════ Identification Tips — How to Tell Them Apart ════════════════════════════════════════════════════════════════════════ #} {# ════════════════════════════════════════════════════════════════════════ About Each Bird (Descriptions) ════════════════════════════════════════════════════════════════════════ #}

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.

Spectacled Cormorant

Extinct; last recorded in 1850 on Bering Island. Very large; dark green-black with white spectacle marks. Flightless or near-flightless. Endemic to Bering Sea islands; exterminated within decades of discovery by Russian fur traders hunting for food. One of the few recently extinct cormorants.

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