https://en.wikipedia.org/wiki/Altamont_Pass_Wind_Farm
It's not clear from that what the other operators are doing, but there seems to be some work put into replacing smaller turbines with larger ones that are less disruptive to birds.
Funnily enough, these old wind turbines are worth good money in pure raw materials. Expect near 100% recycling for them.
https://en.wikipedia.org/wiki/Altamont_Pass_Wind_Farm
It's not clear from that what the other operators are doing, but there seems to be some work put into replacing smaller turbines with larger ones that are less disruptive to birds.