from The Century Dictionary and Cyclopedia
- Having a chestnut spot on the top of the head: specifically said of the rusty-crowned falcon, Falco (Tinnunculus) sparverius. See sparrow-hawk.
Sorry, no etymologies found.
These are the turkey vulture, the black vulture, the little rusty-crowned falcon, the pigeon hawk, slate-coloured hawk, red-tailed buzzard, American horned owl, little American owl, and five other species of falcons.