Black-tailed Gull vs Relict Gull
Larus crassirostris ile kıyaslandığında Larus relictus
Side-by-Side Comparison
| Özellik | Black-tailed Gull | Relict Gull |
|---|---|---|
| Bilimsel Ad | Larus crassirostris | Larus relictus |
| Takım | Charadriiformes | Charadriiformes |
| Familya | Laridae | Laridae |
| Koruma Durumu | Least Concern | Vulnerable |
| Uzunluk | — | — |
| Kanat Açıklığı | 72,8 cm (28.7 in) | 67,0 cm (26.4 in) |
| Ağırlık | 675,0 g (23.81 oz) | 516,75 g (18.23 oz) |
| Beslenme | -- | -- |
| Kuluçka Büyüklüğü | 2-3 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
Ortak Yaşam Alanları
Black-tailed Gull only
Hiçbiri
Relict Gull only
Koruma Durumu
Least Concern
Black-tailed Gull
Vulnerable
Relict Gull
About These Birds
Black-tailed Gull
Black-tailed Gull, 44–48 cm, is common on East Asian coasts from Russia to China, Japan, and Korea. Grey mantle, white body, yellow bill with red spot and black subterminal band, yellow legs. Omnivore; very vocal, known as the 'cat gull' for its mewing calls. Migratory; winters south to Vietnam.
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.