a duck
Avocet
The swimming bird friend code is a game that entails the use of swimming birds.
Ibis is a bird in Australia that begins with the letter i.
It has not yet been announced when Swimming Bird will release a new video.
magpie maypole
The swimming bird that cannot fly and whose name begins with letter P is Penguin. As your question also states 'what are some birds that begin with letter P, so some common such birds are Peacock, Peahen, Peafowl, Pelican, Pheasant,Parakeet and Parrot.
Officially, a mallard is a dabbling duck, which is a duck that feeds or "dabbles" at the surface of the water, not diving. A simpler answer would be to call it a swimming bird.
albatross arctic tern archaeopteryx
umbrella bird
Sarah Palin.
pelican
There are animals that start with the letter U.Uakari MonkeyUmbrella Bird