webbed foot
Aquatic bird's propeller
A webbed foot has toes connected by thin membranes of skin, enabling efficient swimming.
Ducks, frogs, and otters have webbed feet.
The term appears attributively: webbed-foot birds, a webbed-foot amphibian.
Flippers and swim fins mimic this natural adaptation.
Waterbird that quacks
- gooseLarge honking waterfowl
- swanLarge graceful waterbird
- pelicanPouch-throated waterbird
- cormorantFish-diving seabird
flamingo · penguin · puffin · albatross · gannet · booby · loon · grebe
Thin tissue sheet
- interdigitalBetween fingers or toes
- palmateHaving radiating lobes
- tarsusAnkle bone cluster
- digitsSingle-place numerals
phalanges · skin · cartilage · blood vessels · nerves · connective tissue · claw · nail
Tailless leaping amphibian
- toadWarty terrestrial amphibian
- salamanderTailed, moist-skinned amphibian
- newtSmall aquatic salamander
- axolotlPermanently larval salamander
tadpole · tree frog · mudpuppy · bullfrog · poison dart frog · spadefoot
Locomotion through water
- paddlingStroking water with blades
- thrustForceful forward motion
- propulsionForce driving movement forward
- strokeSudden brain blood blockage
kick · glide · dive · surface · treading · hydrodynamic · streamlined · maneuverability
Egg-laying Australian mammal
- beaverDam-constructing aquatic rodent
- otterSemi-aquatic weasel relative
- capybaraWorld's largest rodent species
- muskratSemiaquatic North American rodent
nutria · water vole · sea otter · fishing cat · semiaquatic · fur seal · sea lion · walrus
duck
Waterbird that quacks
cormorant · flamingo · penguin · puffin · albatross · gannet · booby · loon · grebe · gull
membrane
Thin tissue sheet
- interdigitalBetween fingers or toes
- palmateHaving radiating lobes
- tarsusAnkle bone cluster
digits · phalanges · skin · cartilage · blood vessels · nerves · connective tissue · claw · nail · metatarsal
frog
Tailless leaping amphibian
- toadWarty terrestrial amphibian
- salamanderTailed, moist-skinned amphibian
- newtSmall aquatic salamander
axolotl · tadpole · tree frog · mudpuppy · bullfrog · poison dart frog · spadefoot
swimming
Locomotion through water
- paddlingStroking water with blades
- thrustForceful forward motion
- propulsionForce driving movement forward
stroke · kick · glide · dive · surface · treading · hydrodynamic · streamlined · maneuverability · speed
platypus
Egg-laying Australian mammal
- beaverDam-constructing aquatic rodent
- otterSemi-aquatic weasel relative
- capybaraWorld's largest rodent species
muskrat · nutria · water vole · sea otter · fishing cat · semiaquatic · fur seal · sea lion · walrus
aquatic
Water-inhabiting
- semiaquaticPartially water-living
- evolutionSpecies changing over generations
- natural selectionDifferential reproductive success
survival · habitat · wetland · marsh · pond · lake · river · ocean · shore · mudflat