{# ════════════════════════════════════════════════════════════════════════ Side-by-side Comparison Table ════════════════════════════════════════════════════════════════════════ #}

Side-by-Side Comparison

속성	Arctic Tern	Red-legged Kittiwake
학명	Sterna paradisaea	Rissa brevirostris
목	Charadriiformes	Charadriiformes
과	Laridae	Laridae
보전 상태	Least Concern	Vulnerable
체장	34.0 cm (13.4 in)	—
날개 폭	80.0 cm (31.5 in)	60.0 cm (23.6 in)
체중	110.0 g (3.88 oz)	401.6666666666667 g (14.17 oz)
식성	Small fish and crustaceans caught by plunge-diving from the air. Hovers briefly before diving.	--
산란 수	2-3	1-3
Population Trend	—	—

{# ════════════════════════════════════════════════════════════════════════ Visual Size Comparison ════════════════════════════════════════════════════════════════════════ #}

Size Comparison

Body Length

Arctic Tern 34.0 cm

Red-legged Kittiwake —

날개 폭

Arctic Tern 80.0 cm

Red-legged Kittiwake 60.0 cm

체중

Arctic Tern 110.0 g

Red-legged Kittiwake 401.6666666666667 g

{# ════════════════════════════════════════════════════════════════════════ Habitat Comparison ════════════════════════════════════════════════════════════════════════ #}

Habitat Comparison

공유 서식지

🏖️ Coastal

Arctic Tern only

🌿 Wetland 🌾 Grassland

Red-legged Kittiwake 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.

{# ════════════════════════════════════════════════════════════════════════ Song & Call Comparison ════════════════════════════════════════════════════════════════════════ #}

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.

Red-legged Kittiwake

{# ════════════════════════════════════════════════════════════════════════ Geographic Range & Migration ════════════════════════════════════════════════════════════════════════ #}

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.

Red-legged Kittiwake

{# ════════════════════════════════════════════════════════════════════════ Conservation Status Comparison ════════════════════════════════════════════════════════════════════════ #}

보전 상태

Least Concern

Arctic Tern

Vulnerable

Red-legged Kittiwake

{# ════════════════════════════════════════════════════════════════════════ Identification Tips — How to Tell Them Apart ════════════════════════════════════════════════════════════════════════ #}

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

Red-legged Kittiwake

{# ════════════════════════════════════════════════════════════════════════ About Each Bird (Descriptions) ════════════════════════════════════════════════════════════════════════ #}

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.

Red-legged Kittiwake

Red-legged Kittiwake, 35–39 cm, has a very restricted range on only four Aleutian and Pribilof Island colonies, with a world population under 200,000. Resembles Black-legged Kittiwake but with bright red legs, darker upperparts, and white underwing tips. Pelagic piscivore; Vulnerable and declining.

{# ════════════════════════════════════════════════════════════════════════ Related Comparisons ════════════════════════════════════════════════════════════════════════ #}

Related Comparisons

왕관앵무 vs Arctic Tern

look-alike

{# ════════════════════════════════════════════════════════════════════════ More Birds in Family ════════════════════════════════════════════════════════════════════════ #}

More Birds to Explore

More from Laridae

Mediterranean Gull Larus melanocephalus Black-tailed Gull Larus crassirostris Heermann's Gull Larus heermanni Mongolian Gull Larus mongolicus All Laridae birds →

Explore the Nature FYI Family

🧬 SpeciesFYI

Species & Taxonomy

🦕 DinoFYI

6,000+ Dinosaurs

🐟 FishFYI

Fish & Marine Life

🌿 PlantFYI

379,000+ Plants