Heermann's Gull vs Mongolian Gull
Larus heermanni so với Larus mongolicus
Side-by-Side Comparison
| Thuộc Tính | Heermann's Gull | Mongolian Gull |
|---|---|---|
| Tên Khoa Học | Larus heermanni | Larus mongolicus |
| Bộ | Charadriiformes | Charadriiformes |
| Họ | Laridae | Laridae |
| Tình Trạng Bảo Tồn | Near Threatened | Not Evaluated |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 67,2 cm (26.5 in) | — |
| Khối Lượng | 448,26666666666665 g (15.81 oz) | 1163,75 g (41.05 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 1-2 | -- |
| Population Trend | — | — |
Habitat Comparison
Tình Trạng Bảo Tồn
Near Threatened
Heermann's Gull
Not Evaluated
Mongolian Gull
About These Birds
Heermann's Gull
Heermann's Gull, 46–51 cm, is distinctive — dark grey body, white head (breeding), red bill. Breeds almost entirely on Isla Rasa in the Gulf of California, then disperses north along the Pacific coast to British Columbia. Kleptoparasite; steals fish from Brown Pelicans. Near Threatened; range highly restricted.
Mongolian Gull
Mongolian Gull, 55–65 cm, breeds at high-altitude lakes in Mongolia and winters on coasts of China, Korea, and Japan. Pale grey mantle, pink orbital ring, yellow bill. Recently recognised as a full species, split from the Herring Gull complex. Omnivore; forages at inland lakes and coastal estuaries.