Andean Gull vs Chinese Crested Tern
Larus serranus مقارنةً بـ Thalasseus bernsteini
Side-by-Side Comparison
| السمة | Andean Gull | Chinese Crested Tern |
|---|---|---|
| الاسم العلمي | Larus serranus | Thalasseus bernsteini |
| الرتبة | Charadriiformes | Charadriiformes |
| الفصيلة | Laridae | Laridae |
| حالة الحفاظ | Least Concern | Critically Endangered |
| الطول | — | — |
| طول الجناح | 70,6 cm (27.8 in) | 63,8 cm (25.1 in) |
| الوزن | 478,0 g (16.86 oz) | 280,0 g (9.88 oz) |
| النظام الغذائي | -- | -- |
| عدد البيض في الوضع | 1-4 | 1 |
| Population Trend | — | — |
Habitat Comparison
حالة الحفاظ
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.