web footed

/wɛb ˈfʊtɪd/
adjective
  1. Having feet with skin connecting the toes, which helps in swimming.
    • The web-footed gecko can run across water because of its specialized feet.
    • Many web-footed animals, like otters and beavers, are excellent swimmers.
    • Ducks are web-footed birds that paddle easily across ponds.