American Black Oystercatcher vs Variable Oystercatcher
Haematopus bachmani comparé à Haematopus unicolor
Side-by-Side Comparison
| Attribut | American Black Oystercatcher | Variable Oystercatcher |
|---|---|---|
| Nom scientifique | Haematopus bachmani | Haematopus unicolor |
| Ordre | Charadriiformes | Charadriiformes |
| Famille | Haematopodidae | Haematopodidae |
| Statut de conservation | Not Evaluated | Least Concern |
| Longueur | — | — |
| Envergure | — | 54,1 cm (21.3 in) |
| Poids | 600,25 g (21.17 oz) | 683,1666666666666 g (24.10 oz) |
| Régime alimentaire | -- | -- |
| Taille de la couvée | 1-4 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
Habitats partagés
American Black Oystercatcher only
Aucun(e)
Variable Oystercatcher only
Aucun(e)
Statut de conservation
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.