Heermann's Gull vs African Skimmer
Larus heermanni เปรียบเทียบกับ Rynchops flavirostris
Side-by-Side Comparison
| คุณสมบัติ | Heermann's Gull | African Skimmer |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Larus heermanni | Rynchops flavirostris |
| อันดับ | Charadriiformes | Charadriiformes |
| วงศ์ตระกูล | Laridae | Laridae |
| สถานะการอนุรักษ์ | Near Threatened | Least Concern |
| ความยาว | — | — |
| กว้างปีก | 67.2 cm (26.5 in) | 66.4 cm (26.1 in) |
| น้ำหนัก | 448.26666666666665 g (15.81 oz) | 165.66666666666666 g (5.84 oz) |
| อาหาร | -- | -- |
| จำนวนไข่ | 1-2 | 1-5 |
| Population Trend | — | — |
Habitat Comparison
สถานะการอนุรักษ์
Near Threatened
Heermann's Gull
Least Concern
African Skimmer
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.
African Skimmer
African Skimmer: 36–42 cm, black-and-white skimmer with a long bright orange-yellow bill where the lower mandible is longer than the upper. Flies low over large rivers and lakes, cutting the water surface with the lower bill to catch fish. Resident and partial migrant along large rivers and lakes of sub-Saharan Africa. NT.