Heermann's Gull vs Sooty Gull
Larus heermanni so với Larus hemprichii
Side-by-Side Comparison
| Thuộc Tính | Heermann's Gull | Sooty Gull |
|---|---|---|
| Tên Khoa Học | Larus heermanni | Larus hemprichii |
| Bộ | Charadriiformes | Charadriiformes |
| Họ | Laridae | Laridae |
| Tình Trạng Bảo Tồn | Near Threatened | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 67,2 cm (26.5 in) | 68,2 cm (26.9 in) |
| Khối Lượng | 448,26666666666665 g (15.81 oz) | 455,0 g (16.05 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 1-2 | 1-3 |
| Population Trend | — | — |
Habitat Comparison
Tình Trạng Bảo Tồn
Near Threatened
Heermann's Gull
Least Concern
Sooty 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.
Sooty Gull
Sooty Gull, 43–47 cm, breeds around the Red Sea, Persian Gulf, and Indian Ocean coasts. Sooty brown head and upper breast in breeding plumage, dark greenish bill with red and yellow tip. Omnivore; scavenges fish offal at ports and forages along rocky shores. Resident throughout year on breeding coasts.