spring peeper in fall

Last night, we found this little guy clinging to our front door, about four feet off the ground.  With the help of a great resource for PEI plants and animals at https://macphailwoods.org I was able to identify it as a spring peeper.  It is tiny - just about 2 cm, and almost transparent.  Its eyes are red, and it has a faint dark x on its back.  I can't imagine how it thought climbing up on a pane of glass was a good idea, but who knows the mind of a frog?

I wish the picture was clearer, but it was taken at night with a flash.

from Wikipedia:  The spring peeper is a small chorus frog widespread throughout the eastern United States and Canada. They are so called because of their chirping call that marks the beginning of spring. There are two subspecies: The northern, P. c. crucifer, found all over the eastern United States and eastern Canada. Wikipedia