Relict Gull vs Aleutian Tern
Larus relictus в сравнении с Onychoprion aleuticus
Side-by-Side Comparison
| Характеристика | Relict Gull | Aleutian Tern |
|---|---|---|
| Научное название | Larus relictus | Onychoprion aleuticus |
| Отряд | Charadriiformes | Charadriiformes |
| Семейство | Laridae | Laridae |
| Охранный статус | Vulnerable | Vulnerable |
| Длина | — | — |
| Размах крыльев | 67,0 cm (26.4 in) | 52,4 cm (20.6 in) |
| Масса | 516,75 g (18.23 oz) | 104,88 g (3.70 oz) |
| Питание | -- | -- |
| Размер кладки | 2-3 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
Охранный статус
Vulnerable
Relict Gull
Vulnerable
Aleutian Tern
About These Birds
Relict Gull
Relict Gull, 44–46 cm, is a Vulnerable species breeding on remote saline lakes in Mongolia and northern China. Black hood with white eye-crescents, red bill, red legs. Very poorly known outside breeding season; winters on Yellow Sea coasts. Threatened by drought and wetland degradation.
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.