American Black Oystercatcher vs Variable Oystercatcher
Haematopus bachmani в сравнении с Haematopus unicolor
Side-by-Side Comparison
| Характеристика | American Black Oystercatcher | Variable Oystercatcher |
|---|---|---|
| Научное название | Haematopus bachmani | Haematopus unicolor |
| Отряд | Charadriiformes | Charadriiformes |
| Семейство | Haematopodidae | Haematopodidae |
| Охранный статус | Not Evaluated | Least Concern |
| Длина | — | — |
| Размах крыльев | — | 54,1 cm (21.3 in) |
| Масса | 600,25 g (21.17 oz) | 683,1666666666666 g (24.10 oz) |
| Питание | -- | -- |
| Размер кладки | 1-4 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
Общие среды обитания
American Black Oystercatcher only
Нет
Variable Oystercatcher only
Нет
Охранный статус
American Black Oystercatcher
Variable Oystercatcher
About These Birds
American Black Oystercatcher
American Black Oystercatcher (Haematopus bachmani) is a large 42–47 cm all-dark oystercatcher of the Pacific coast of North America. Sooty black plumage; bright orange-red bill; pale pinkish legs; yellow eye with orange ring. Inhabits rocky coasts and offshore islands from Alaska south to Baja California. Feeds on mussels, limpets, and barnacles.
Variable Oystercatcher
Variable Oystercatcher (Haematopus unicolor) is a large 46–49 cm oystercatcher endemic to New Zealand's coastline. Plumage ranges from all-black to pied (black and white) within the same population. Orange-red bill; pink legs. Inhabits rocky and sandy shores around both main islands and offshore islands. Feeds on bivalves, worms, and crustaceans.