Bats too. They don't even need to hit the bats to kill them. The difference in air pressure around the blades is enough to rupture bat lungs:
https://www.newscientist.com/article/dn14593-wind-turbines-m...
https://www.scientificamerican.com/article/bat-killings-by-w...
https://www.nrdc.org/stories/heat-wave-australia-killed-2300....
Bats too. They don't even need to hit the bats to kill them. The difference in air pressure around the blades is enough to rupture bat lungs:
https://www.newscientist.com/article/dn14593-wind-turbines-m...
https://www.scientificamerican.com/article/bat-killings-by-w...