Biologists report that eBird observations match trends in bird species populations measured by US government surveys to within 0.4 percent. As long as there have been birdwatchers, there have been ...

A new article shows a blueprint for conserving enough habitat to protect the populations of almost one-third of the warblers, orioles, tanagers, and other birds that migrate among the Americas ...

Ottawa, ON, and Ithaca, NY-- A new paper published today in the journal Nature Communications shows a blueprint for conserving enough habitat to protect the populations of almost one-third of the ...