'Wren'
down
Four letter words using those letters and ending in 'l' are:haulhealteal
Such words include: lady lazy lacy lily
There are many animals with just four letters. Here are a few examples, Lion, bird, mule, lamb, fish, frog, wren and duck.
The bird you are thinking of is a SWAN.
Erne, Also known as the sea eagle.
Gull. As in Sea Gull without the Sea
The Dodo Bird
Coot.
The dodo bird.
Xeme
erne
'Wren'
Some sea birds with four letters are: - Erne - Tern - Gull
lark, coot, dodo, wren
You tell me :P