North American Bird Populations Decline Due to Climate Change and Agriculture

North American bird populations are declining rapidly, with a new study revealing that nearly half of the 261 species analyzed are experiencing significant losses, particularly in warmer southern regions. The study links these declines to human-driven climate change and intensified agricultural practices, which contribute to habitat loss and reduced insect availability, a crucial food source for many birds. Past research also indicates that North America has lost approximately 3 billion birds since 1970.

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