Brown-headed Gull vs River Tern
Larus brunnicephalus comparado com Sterna aurantia
Side-by-Side Comparison
| Atributo | Brown-headed Gull | River Tern |
|---|---|---|
| Nome científico | Larus brunnicephalus | Sterna aurantia |
| Ordem | Charadriiformes | Charadriiformes |
| Família | Laridae | Laridae |
| Estado de conservação | Least Concern | Vulnerable |
| Comprimento | — | — |
| Envergadura | 66,8 cm (26.3 in) | 52,4 cm (20.6 in) |
| Peso | 584,0 g (20.60 oz) | 187,5 g (6.61 oz) |
| Dieta | -- | -- |
| Tamanho da postura | 1-4 | 3-4 |
| Population Trend | — | — |
Habitat Comparison
Estado de conservação
Least Concern
Brown-headed Gull
Vulnerable
River 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.
River Tern
River Tern, 38–43 cm, is a large freshwater tern of South and Southeast Asia, found along major rivers from Pakistan to Thailand. Yellow-orange bill, grey back, black cap in breeding plumage. Piscivore; plunge-dives into clear river water. Near Threatened due to river sand-mining and disturbance.