An X-ray revealed a broken keel bone.

Feel for the keel bone, the long, sharp bone that runs down the center of the breast, and cut straight down on one side until you feel the ribs underneath.

Feel for the keel bone, the long, sharp bone that runs down the center of the breast.

Likewise, CPR can be adjusted to smaller animals: Vets perform CPR on parrots, for instance, by placing the bird on its back and compressing its keel bone with their finger.