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Bird populations are in steep decline, study suggests
Manage episode 482271081 series 6050
Bird populations across North America have fallen by billions over the last 50 years, according to a staggering report from Cornell University. Researcher Amanda Rodewald explains what’s happening, and why common birds like sparrows, blackbirds and finches are suffering the greatest losses.
6758 episodes
Manage episode 482271081 series 6050
Bird populations across North America have fallen by billions over the last 50 years, according to a staggering report from Cornell University. Researcher Amanda Rodewald explains what’s happening, and why common birds like sparrows, blackbirds and finches are suffering the greatest losses.
6758 episodes
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