34 to 43 cm long
American Coot?
There is a photo of one on the weblink listed below, but it is unidentified there as well...
In North America it would be the American Coot.
A coot.
The scientific or taxonomic name would be Fulica americana.
Yes, the American Coot lives in South Maine.
coot
Coot , DoDo ,
The bird described is a coot. There are 12 extant (living) species of coot.
lark, coot, dodo, wren
You shoot it