Kelp Gull vs Heermann's Gull
Larus dominicanus so với Larus heermanni
Side-by-Side Comparison
| Thuộc Tính | Kelp Gull | Heermann's Gull |
|---|---|---|
| Tên Khoa Học | Larus dominicanus | Larus heermanni |
| Bộ | Charadriiformes | Charadriiformes |
| Họ | Laridae | Laridae |
| Tình Trạng Bảo Tồn | Least Concern | Near Threatened |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 80,4 cm (31.7 in) | 67,2 cm (26.5 in) |
| Khối Lượng | 955,8333333333334 g (33.72 oz) | 448,26666666666665 g (15.81 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 1-3 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Tình Trạng Bảo Tồn
Least Concern
Kelp Gull
Near Threatened
Heermann's Gull
About These Birds
Kelp Gull
Kelp Gull, 54–65 cm, is the dominant large gull of the Southern Hemisphere, found on all sub-Antarctic and southern temperate coasts. Jet-black back, white body, yellow bill with red spot. Omnivore; forages on rocky shores, follows fishing boats, and preys on penguin eggs. Resident and sedentary.
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.