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Side-by-Side Comparison

คุณสมบัติ	Arctic Herring Gull	Aleutian Tern
ชื่อวิทยาศาสตร์	Larus smithsonianus	Onychoprion aleuticus
อันดับ	Charadriiformes	Charadriiformes
วงศ์ตระกูล	Laridae	Laridae
สถานะการอนุรักษ์	Least Concern	Vulnerable
ความยาว	—	—
กว้างปีก	85.9 cm (33.8 in)	52.4 cm (20.6 in)
น้ำหนัก	1108.0 g (39.08 oz)	104.88 g (3.70 oz)
อาหาร	--	--
จำนวนไข่	2-3	1-4
Population Trend	—	—

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Habitat Comparison

ถิ่นที่อยู่อาศัยร่วมกัน

🌿 Wetland 🌾 Grassland 🏖️ Coastal

Arctic Herring Gull only

🌲 Forest

Aleutian Tern only

ไม่มี

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สถานะการอนุรักษ์

Least Concern

Arctic Herring Gull

Vulnerable

Aleutian Tern

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

About These Birds

Arctic Herring Gull

Arctic Herring Gull, 55–66 cm, breeds across Arctic North America and winters on all coasts of the US. Formerly lumped with European Herring Gull; darker-eyed on average, slightly more northerly range. Omnivore and scavenger; abundant at fishing ports, dumps, and beaches in winter.

Aleutian Tern

Aleutian Tern, 32–34 cm, breeds colonially in Alaska and Russian Far East, wintering in Southeast Asian waters — one of the most poorly tracked migrations among seabirds. Dark grey above, white below, black cap with white forehead. Piscivore; dives for small fish. Near Threatened.

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