Blame Earthworms For Midwestern Ovenbird Decline

[Donna]

http://www.ashlandcurrent.com/article/12/03/01/blame-earthworms-midwestern-ovenbird-decline

The worms invading northern Midwestern forests (and forests in the northeastern U.S. and Canada) have been in the U.S.

I didn't know they nested on the ground. Not a good place.