'Wren'
Starts with a
There are many animals with just four letters. Here are a few examples, Lion, bird, mule, lamb, fish, frog, wren and duck.
Some sports with four letters are polo,scuba and golf
Dove is a soap brand with four letters in its name.
The Dodo Bird
The dodo bird.
Xeme
erne
'Wren'
Some sea birds with four letters are: - Erne - Tern - Gull
lark, coot, dodo, wren
A duck and a swan are both water birds with four letters.
Ibis
duck
Starts with a
The bird you are thinking of is a SWAN.