feeds.guardian.co.uk (nprofile…ttcd)
✍️ Bird populations across North America are declining rapidly, with three-quarters of species experiencing declines, and former strongholds now being affected.
👉 Three-quarters of bird species in North America are declining across their ranges
👉 Two-thirds of bird species are shrinking significantly
👉 Former strongholds for bird species are no longer safe
👉 Dramatic declines in areas where birds were previously thriving
👉 Global heating and habitat change may be contributing factors
#AlisonJohnston #AmandaRodewald #IanBurfield #NorthAmerica #PrincetonUniversity #CornellLabofOrnithology #Appalachians #Westernmountains #environment
quotingfeeds.guardian.co.uk (nprofile…ttcd)
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Study using citizen data finds three-quarters of nearly 500 species in decline, with steepest trend in areas where they once thrivedBird populations across North America are falling most quickly in areas where they are most abundant, according to new research, prompting fears of ecological collapse in previously protected areas.Analysis of nearly 500 bird species across North America has found that three-quarters are declining across their ranges, with two-thirds of the total shrinking significantly. Continue reading...
https://www.theguardian.com/environment/2025/may/01/collapsing-bird-numbers-north-america-study-species