upperparts
/ˈʌpərˌpɑrts/
noun
- The upper surface or parts of an animal's body, especially the back, wings, and head of a bird.
- The hawk's upperparts were covered in speckled feathers.
- The bird's upperparts are a rich brown color, while its belly is white.
- Ornithologists note that the upperparts of this species are darker in winter.