Hope this helps with the crow anatomy question
Description Anatomy: The crow is an all-black bird about 18-22 inches (45-56 cm) long. It has a square-shaped tail and pointed wings.
- Eyes dark brown.
- Legs black.
- All feathers black glossed with violet.
- Size: 40-53 cm (16-21 in)
- Wingspan: 85-100 cm (33-39 in)
- Weight: 316-620 g (11.15-21.89 ounces)
Sex Differences
Sexes alike in plumage, but male averages slightly larger.