Climate change, urbanization drive major declines in L.A.’s birds. 40% of bird species were present at fewer sites today than they were 100 years ago, while only 10% were present at more sites. Meanwhile, in the Central Valley, the proportion of species that experienced a decline (23%) news.berkeley.edu Submitted by Wagamaga t3_11bjgb3 on February 25, 2023 at 12:03 PM in science 10 comments 131
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