Kelp Gull vs Heermann's Gull
Larus dominicanus เปรียบเทียบกับ Larus heermanni
Side-by-Side Comparison
| คุณสมบัติ | Kelp Gull | Heermann's Gull |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Larus dominicanus | Larus heermanni |
| อันดับ | Charadriiformes | Charadriiformes |
| วงศ์ตระกูล | Laridae | Laridae |
| สถานะการอนุรักษ์ | Least Concern | Near Threatened |
| ความยาว | — | — |
| กว้างปีก | 80.4 cm (31.7 in) | 67.2 cm (26.5 in) |
| น้ำหนัก | 955.8333333333334 g (33.72 oz) | 448.26666666666665 g (15.81 oz) |
| อาหาร | -- | -- |
| จำนวนไข่ | 1-3 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
สถานะการอนุรักษ์
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.