Ring-billed Gull vs Saunders's Gull
Larus delawarensis comparado com Saundersilarus saundersi
Side-by-Side Comparison
| Atributo | Ring-billed Gull | Saunders's Gull |
|---|---|---|
| Nome científico | Larus delawarensis | Saundersilarus saundersi |
| Ordem | Charadriiformes | Charadriiformes |
| Família | Laridae | Laridae |
| Estado de conservação | Least Concern | Vulnerable |
| Comprimento | — | — |
| Envergadura | 73,2 cm (28.8 in) | 54,8 cm (21.6 in) |
| Peso | 500,0 g (17.64 oz) | 195,0 g (6.88 oz) |
| Dieta | -- | -- |
| Tamanho da postura | 3 | 1-6 |
| Population Trend | — | — |
Habitat Comparison
Estado de conservação
Least Concern
Ring-billed Gull
Vulnerable
Saunders's Gull
About These Birds
Ring-billed Gull
A gaivota-de-anel é uma das gaivotas mais comuns da América do Norte, com anel preto no bico, encontrada em todo o interior e costas do continente.
Saunders's Gull
Saunders's Gull, 29–32 cm, is a Vulnerable gull breeding in coastal saltmarshes of China and Korea, wintering along East Asian coasts to Vietnam. Black hood in breeding plumage, white wing-tip mirrors. Feeds on crustaceans and invertebrates in tidal mudflats. Threatened by reclamation of Yellow Sea tidal flats.