Hartlaub's Gull vs Saunders's Gull
Larus hartlaubii в сравнении с Saundersilarus saundersi
Side-by-Side Comparison
| Характеристика | Hartlaub's Gull | Saunders's Gull |
|---|---|---|
| Научное название | Larus hartlaubii | Saundersilarus saundersi |
| Отряд | Charadriiformes | Charadriiformes |
| Семейство | Laridae | Laridae |
| Охранный статус | Least Concern | Vulnerable |
| Длина | — | — |
| Размах крыльев | 54,0 cm (21.3 in) | 54,8 cm (21.6 in) |
| Масса | 287,5 g (10.14 oz) | 195,0 g (6.88 oz) |
| Питание | -- | -- |
| Размер кладки | 1-5 | 1-6 |
| Population Trend | — | — |
Habitat Comparison
Охранный статус
Least Concern
Hartlaub's Gull
Vulnerable
Saunders's Gull
About These Birds
Hartlaub's Gull
Hartlaub's Gull, 38–40 cm, is endemic to the Benguela Current coast of Namibia and South Africa. White with grey mantle, dark red bill. Resident; forages on beaches, at harbours, and over cold upwelling waters for fish offal and marine invertebrates. Population stable but range restricted.
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.