Laughing Gull vs Heermann's Gull
Larus atricilla so với Larus heermanni
Side-by-Side Comparison
| Thuộc Tính | Laughing Gull | Heermann's Gull |
|---|---|---|
| Tên Khoa Học | Larus atricilla | Larus heermanni |
| Bộ | Charadriiformes | Charadriiformes |
| Họ | Laridae | Laridae |
| Tình Trạng Bảo Tồn | Least Concern | Near Threatened |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 59,7 cm (23.5 in) | 67,2 cm (26.5 in) |
| Khối Lượng | 307,3333333333333 g (10.84 oz) | 448,26666666666665 g (15.81 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 2-3 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Tình Trạng Bảo Tồn
Least Concern
Laughing Gull
Near Threatened
Heermann's Gull
About These Birds
Laughing Gull
Laughing Gull, 36–41 cm, is a medium-sized gull of Atlantic and Caribbean coasts, with a distinctive laughing call. Breeding adult has a full black hood, dark red bill. Omnivore; follows fishing boats, scavenges at beaches, steals prey from Brown Pelicans. Migratory; winters to northern South America.
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.