California Gull vs African Skimmer
Larus californicus so với Rynchops flavirostris
Side-by-Side Comparison
| Thuộc Tính | California Gull | African Skimmer |
|---|---|---|
| Tên Khoa Học | Larus californicus | Rynchops flavirostris |
| Bộ | Charadriiformes | Charadriiformes |
| Họ | Laridae | Laridae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 75,4 cm (29.7 in) | 66,4 cm (26.1 in) |
| Khối Lượng | 717,5 g (25.31 oz) | 165,66666666666666 g (5.84 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 2-4 | 1-5 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
California Gull only
African Skimmer only
Không
Tình Trạng Bảo Tồn
Least Concern
California Gull
Least Concern
African Skimmer
About These Birds
California Gull
California Gull, 46–55 cm, breeds at inland lakes of western North America and winters on the Pacific coast. Yellow bill with red and black spot, greenish-yellow legs. Omnivore; famous for saving Utah crickets crops in 1848 — commemorated as Utah's state bird. Strongly migratory.
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.