WordNet
aquatic bird
n. wading and swimming and diving birds of either fresh or salt water
Usage examples of "aquatic bird".
The Latin name is derived from pous, podos (a foot) and phyllon (a leaf), alluding to a fanciful resemblance in the palmate leaf to the foot of some web-footed aquatic bird.
That creature seemed to me at that moment a superb aquatic bird, a heron, or a swan.