pinnatiped
/pɪˈnætɪˌpɛd/
adjective
- Having feet with lobes or flaps on the toes, like those of a grebe or coot, used for swimming.
- Pinnatiped feet help waterbirds paddle efficiently through lakes and ponds.
- The coot is a pinnatiped bird, easily recognized by its lobed toes.
- In the field guide, pinnatiped species are grouped separately from webbed-foot birds.