American Black Oystercatcher vs Chatham Islands Oystercatcher
Haematopus bachmani مقارنةً بـ Haematopus chathamensis
Side-by-Side Comparison
| السمة | American Black Oystercatcher | Chatham Islands Oystercatcher |
|---|---|---|
| الاسم العلمي | Haematopus bachmani | Haematopus chathamensis |
| الرتبة | Charadriiformes | Charadriiformes |
| الفصيلة | Haematopodidae | Haematopodidae |
| حالة الحفاظ | Not Evaluated | Endangered |
| الطول | — | — |
| طول الجناح | — | 50,4 cm (19.8 in) |
| الوزن | 600,25 g (21.17 oz) | 580,0 g (20.46 oz) |
| النظام الغذائي | -- | -- |
| عدد البيض في الوضع | 1-4 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
الموائل المشتركة
American Black Oystercatcher only
بلا
Chatham Islands Oystercatcher only
بلا
حالة الحفاظ
Not Evaluated
American Black Oystercatcher
Endangered
Chatham Islands 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.
Chatham Islands Oystercatcher
Chatham Islands Oystercatcher (Haematopus chathamensis) is a large 47–49 cm oystercatcher endemic to the Chatham Islands, New Zealand. Black and white patterning; orange-red bill; pink legs. Critically Endangered; world population only ~440 birds. Inhabits rocky shores and sandy beaches on the Chatham Islands.