Heermann's Gull vs Relict Gull
Larus heermanni so với Larus relictus
Side-by-Side Comparison
| Thuộc Tính | Heermann's Gull | Relict Gull |
|---|---|---|
| Tên Khoa Học | Larus heermanni | Larus relictus |
| Bộ | Charadriiformes | Charadriiformes |
| Họ | Laridae | Laridae |
| Tình Trạng Bảo Tồn | Near Threatened | Vulnerable |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 67,2 cm (26.5 in) | 67,0 cm (26.4 in) |
| Khối Lượng | 448,26666666666665 g (15.81 oz) | 516,75 g (18.23 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 1-2 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
Tình Trạng Bảo Tồn
Near Threatened
Heermann's Gull
Vulnerable
Relict 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.
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.