Windows kill something like 600 million birds per year in the USA. There are just like, a lot of birds, and they reproduce quite quickly. [1] https://bioone.o

Windows kill something like 600 million birds per year in the USA. There are just like, a lot of birds, and they reproduce quite quickly. [1] https://bioone.org/journals/the-condor/volume-116/issue-1/CONDOR-13-090.1/Birdbuilding-collisions-in-the-United-States--Estimates-of-annual/10.1650/CONDOR-13-090.1.pdf https://bioone.org/journals/the-condor/volume-116/issue-1/CO...