Sooty Gull vs Aleutian Tern

Larus hemprichii в сравнении с Onychoprion aleuticus

Side-by-Side Comparison

Характеристика Sooty Gull Aleutian Tern
Научное название Larus hemprichii Onychoprion aleuticus
Отряд Charadriiformes Charadriiformes
Семейство Laridae Laridae
Охранный статус Least Concern Vulnerable
Длина
Размах крыльев 68,2 cm (26.9 in) 52,4 cm (20.6 in)
Масса 455,0 g (16.05 oz) 104,88 g (3.70 oz)
Питание -- --
Размер кладки 1-3 1-4
Population Trend

Habitat Comparison

Общие среды обитания

Sooty Gull only

Нет

Aleutian Tern only

Охранный статус

Least Concern

Sooty Gull

Vulnerable

Aleutian Tern

About These Birds

Sooty Gull

Sooty Gull, 43–47 cm, breeds around the Red Sea, Persian Gulf, and Indian Ocean coasts. Sooty brown head and upper breast in breeding plumage, dark greenish bill with red and yellow tip. Omnivore; scavenges fish offal at ports and forages along rocky shores. Resident throughout year on breeding coasts.

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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