amphibian

C2670 concept

An amphibian is a cold-blooded vertebrate that typically begins life in water with gills and later transitions to a terrestrial or semi-aquatic adult stage with lungs, often having moist skin and undergoing metamorphosis.

Observed surface forms (3)

  • frog ×2
  • amphibian family ×1
  • mole salamander ×1

Instances (6)