About Haematopus bachmani Audubon, 1838
Taxonomic Naming
The black oystercatcher, Haematopus bachmani Audubon, 1838, is a large shorebird.
Head and Upper Body Coloration
It has a black head, neck, and breast, with a dark brown body.
Bill and Leg Morphology
It has a long (9 cm / 3.5 in) bright red-orange bill and pink legs.
Eye Characteristics
Its iris is bright yellow, and it has a red eye-ring.
Plumage Geographic Variation
Its plumage shows slight variation across its north-south range, with darker plumage found further north.
