Hooded mergansers are headed for the woods where the females will nest alone in hollow trees. On the way they're choosing mates.
What features are the ladies looking for?
Based on the video above, I'll bet they're impressed by the biggest white hood.
Most of these birds have moved north of our area but a few breed in Butler, Crawford and Erie counties.
If you see a pair cruising together, wait to see if he throws his head.
(video by Alex Galt on YouTube)