Andean Gull vs Chinese Crested Tern
Larus serranus so với Thalasseus bernsteini
Side-by-Side Comparison
| Thuộc Tính | Andean Gull | Chinese Crested Tern |
|---|---|---|
| Tên Khoa Học | Larus serranus | Thalasseus bernsteini |
| Bộ | Charadriiformes | Charadriiformes |
| Họ | Laridae | Laridae |
| Tình Trạng Bảo Tồn | Least Concern | Critically Endangered |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 70,6 cm (27.8 in) | 63,8 cm (25.1 in) |
| Khối Lượng | 478,0 g (16.86 oz) | 280,0 g (9.88 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 1-4 | 1 |
| Population Trend | — | — |
Habitat Comparison
Tình Trạng Bảo Tồn
Least Concern
Andean Gull
Critically Endangered
Chinese Crested Tern
About These Birds
Andean Gull
Andean Gull, 45–48 cm, breeds at high-altitude Andean lakes from Colombia to Argentina, typically above 3000 m. Black hood in breeding plumage; white below with grey mantle. Largely insectivore, following cattle or foraging at lake edges. Partial altitudinal migrant descending to Pacific and Atlantic coasts in winter.
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.