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Side-by-Side Comparison

속성	Arctic Tern	Damara Tern
학명	Sterna paradisaea	Sternula balaenarum
목	Charadriiformes	Charadriiformes
과	Laridae	Laridae
보전 상태	Least Concern	Least Concern
체장	34.0 cm (13.4 in)	—
날개 폭	80.0 cm (31.5 in)	33.9 cm (13.3 in)
체중	110.0 g (3.88 oz)	50.675 g (1.79 oz)
식성	Small fish and crustaceans caught by plunge-diving from the air. Hovers briefly before diving.	--
산란 수	2-3	1-2
Population Trend	—	—

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Size Comparison

Body Length

Arctic Tern 34.0 cm

Damara Tern —

날개 폭

Arctic Tern 80.0 cm

Damara Tern 33.9 cm

체중

Arctic Tern 110.0 g

Damara Tern 50.675 g

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Habitat Comparison

공유 서식지

🌿 Wetland 🏖️ Coastal

Arctic Tern only

🌾 Grassland

Damara Tern only

없음

Arctic Tern

Breeds on coastal and tundra habitats. Spends most of its life at sea over the open ocean. Nests in colonies on beaches and rocky shores.

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Song & Call Comparison

Arctic Tern

노래

A sharp, grating 'kree-yah' alarm call. Also gives 'kik-kik-kik' near the nest. Highly aggressive vocally during the Arctic breeding season. Calls are harsh and insistent.

Damara Tern

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Geographic Range & Migration

Arctic Tern

Breeds in the Arctic and sub-Arctic. Migrates to the Antarctic, experiencing two summers per year. Found on every ocean.

Damara Tern

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보전 상태

Least Concern

Arctic Tern

Least Concern

Damara Tern

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How to Tell Them Apart

Arctic Tern

깃털

Pale grey upperparts, white underparts with a black cap. Blood-red bill and short red legs. Deeply forked tail streamers. Winter adults lose the full black cap.

부리

Slender, pointed, bright red bill

Damara Tern

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About These Birds

Arctic Tern

북극제비갈매기는 모든 동물 중 가장 긴 이동 기록을 보유하고 있어, 매년 북극에서 남극까지 약 7만 km를 왕복합니다. 약 30년의 수명 동안 달을 세 번 왕복하는 거리를 날아다닙니다. 지구상 어떤 생물보다 많은 일광을 경험하는 놀라운 새입니다.

Damara Tern

Damara Tern, 22–24 cm, is a Vulnerable tern endemic to the Namibian and South African coast. White below, grey above, with a black cap and yellow bill. Breeds sparsely on Namibian beaches; winters north to Gulf of Guinea. Highly sensitive to coastal development and off-road vehicles.

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Related Comparisons

왕관앵무 vs Arctic Tern

look-alike

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