What names are webbed feet animals?

You're thinking of web-footed animals, which are animals that have webbing between their toes. Here are some examples:

* Birds: Ducks, geese, swans, grebes, loons, pelicans, cormorants, gulls, albatrosses, and many others

* Amphibians: Frogs, toads, and some salamanders

* Mammals: Otters, beavers, and some aquatic rodents

* Reptiles: Sea turtles

Note: Not all animals with webbed feet are aquatic. Some, like some birds, use their webbed feet for swimming only part of the time.