Brown-headed Gull vs Chinese Crested Tern
Larus brunnicephalus so với Thalasseus bernsteini
Side-by-Side Comparison
| Thuộc Tính | Brown-headed Gull | Chinese Crested Tern |
|---|---|---|
| Tên Khoa Học | Larus brunnicephalus | Thalasseus bernsteini |
| Bộ | Charadriiformes | Charadriiformes |
| Họ | Laridae | Laridae |
| Tình Trạng Bảo Tồn | Least Concern | Critically Endangered |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 66,8 cm (26.3 in) | 63,8 cm (25.1 in) |
| Khối Lượng | 584,0 g (20.60 oz) | 280,0 g (9.88 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 1-4 | 1 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Brown-headed Gull only
Không
Chinese Crested Tern only
Không
Tình Trạng Bảo Tồn
Least Concern
Brown-headed Gull
Critically Endangered
Chinese Crested Tern
About These Birds
Brown-headed Gull
Brown-headed Gull, 41–46 cm, breeds at high-altitude Tibetan lakes and Central Asian wetlands, wintering on coasts from India to Southeast Asia. Brown hood in breeding plumage; white wing mirrors. Piscivore and invertivore; follows fishing activity in coastal bays.
Chinese Crested Tern
Chinese Crested Tern is Critically Endangered, fewer than 50 individuals known. Breeding sites on small rocky islands off eastern China; winters in Southeast Asia. Orange bill with yellow tip, black crest. Extremely similar to Greater Crested Tern; often overlooked in mixed colonies. Piscivore; plunge-dives.