American Black Oystercatcher vs Variable Oystercatcher
Haematopus bachmani ile kıyaslandığında Haematopus unicolor
Side-by-Side Comparison
| Özellik | American Black Oystercatcher | Variable Oystercatcher |
|---|---|---|
| Bilimsel Ad | Haematopus bachmani | Haematopus unicolor |
| Takım | Charadriiformes | Charadriiformes |
| Familya | Haematopodidae | Haematopodidae |
| Koruma Durumu | Not Evaluated | Least Concern |
| Uzunluk | — | — |
| Kanat Açıklığı | — | 54,1 cm (21.3 in) |
| Ağırlık | 600,25 g (21.17 oz) | 683,1666666666666 g (24.10 oz) |
| Beslenme | -- | -- |
| Kuluçka Büyüklüğü | 1-4 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
Ortak Yaşam Alanları
American Black Oystercatcher only
Hiçbiri
Variable Oystercatcher only
Hiçbiri
Koruma Durumu
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.