Heermann's Gull vs Indian Skimmer
Larus heermanni so với Rynchops albicollis
Side-by-Side Comparison
| Thuộc Tính | Heermann's Gull | Indian Skimmer |
|---|---|---|
| Tên Khoa Học | Larus heermanni | Rynchops albicollis |
| Bộ | Charadriiformes | Charadriiformes |
| Họ | Laridae | Laridae |
| Tình Trạng Bảo Tồn | Near Threatened | Endangered |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 67,2 cm (26.5 in) | 74,4 cm (29.3 in) |
| Khối Lượng | 448,26666666666665 g (15.81 oz) | 164,0 g (5.78 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 1-2 | 2-5 |
| Population Trend | — | — |
Habitat Comparison
Tình Trạng Bảo Tồn
Near Threatened
Heermann's Gull
Endangered
Indian 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.
Indian Skimmer
Indian Skimmer: 38–43 cm, black-and-white skimmer with an orange-and-yellow bill and white collar. Resident on large sandy rivers of the Indian subcontinent. VU. Feeds by skimming river surface with protruding lower mandible to catch fish. Severely threatened by sand-mining, dam building, and human disturbance at nesting colonies.