G.R. Patterson III wrote:

I saw accident figures for the U.S. back in the mid 70s. At that time, solar
power was the most dangerous power source in the country.

"Bat fatalities have recently become an issue in the wind
power industry because fatalities have been documented at
wind power sites where post-construction bird studies have
been conducted." From
http://www.currykerlinger.com/bats.htm.

No traces of radioactive bats though.