European Herring Gull vs Aleutian Tern
Larus argentatus в сравнении с Onychoprion aleuticus
Side-by-Side Comparison
| Характеристика | European Herring Gull | Aleutian Tern |
|---|---|---|
| Научное название | Larus argentatus | Onychoprion aleuticus |
| Отряд | Charadriiformes | Charadriiformes |
| Семейство | Laridae | Laridae |
| Охранный статус | Least Concern | Vulnerable |
| Длина | — | — |
| Размах крыльев | 86,2 cm (33.9 in) | 52,4 cm (20.6 in) |
| Масса | 1110,0 g (39.15 oz) | 104,88 g (3.70 oz) |
| Питание | -- | -- |
| Размер кладки | 2-3 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
Общие среды обитания
European Herring Gull only
Aleutian Tern only
Охранный статус
Least Concern
European Herring Gull
Vulnerable
Aleutian Tern
About These Birds
European Herring Gull
European Herring Gull, 55–67 cm, wingspan 125–155 cm, is the archetypal large gull of Atlantic Europe. Silver-grey mantle, white body, yellow bill with red spot, pink legs. Omnivore; scavenges in cities and harbours; drops molluscs to crack shells. Partially migratory; declining in recent decades.
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.