Songbird populations may indicate trouble in northwestern forests

[ScienceDaily]

Populations of many North American songbirds are declining, and in many cases we don't understand why. Conservation efforts need this information to be effective, and bird banding stations can help fill in the gaps, providing insights into how demographics vary across space and time. A new study presents ten years of data from banding stations across northern California and southern Oregon and offers new hints on what's driving changes in the region's songbird populations.

 

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