Heermann's Gull vs Little Tern
Larus heermanni so với Sternula albifrons
Side-by-Side Comparison
| Thuộc Tính | Heermann's Gull | Little Tern |
|---|---|---|
| Tên Khoa Học | Larus heermanni | Sternula albifrons |
| Bộ | Charadriiformes | Charadriiformes |
| Họ | Laridae | Laridae |
| Tình Trạng Bảo Tồn | Near Threatened | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 67,2 cm (26.5 in) | 33,9 cm (13.3 in) |
| Khối Lượng | 448,26666666666665 g (15.81 oz) | 55,0 g (1.94 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 1-2 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
Tình Trạng Bảo Tồn
Near Threatened
Heermann's Gull
Least Concern
Little Tern
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.
Little Tern
Little Tern is one of the world's smallest terns, 21–25 cm, breeding along coastlines and rivers across Europe, Asia, Africa, and Australia. White below, grey above, with a yellow bill tipped black and a white forehead patch. Hovers and plunge-dives for small fish. Migratory; winters in tropical coasts.