When I lived with my parents, we'd get squirrels trying to nest in the power lines.

I forget what you call those big boxes on the telephone poles, but that's where they'd try to start nesting. These white things: https://c.stocksy.com/a/mYs200/z9/686388.jpg

Was pretty annoying. I felt bad for the poor power workers who had to pick out a fried squirrel with their hands.