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Nestwatch Blog



What Kind of Nest Materials are Best to Provide for Birds?

By Holly Grant, Project Assistant Some birdwatchers and nature lovers like to celebrate the beginning of breeding season by providing nesting materials for use by the birds that will soon become their neighbors. Each spring we see a similar uptick in questions regarding which type of nesting materials are best to provide, ranging from pet […]



Anthropogenic Light and Noise Pollution Affect Nesting Birds

In one of the most comprehensive studies on the effects of noise and light pollution on nesting birds published to date, researchers find a variety of detrimental impacts to reproduction. Data collected by NestWatchers across the country, combined with maps of noise and light pollution, show heterogeneous effects on nesting success, clutch size, hatching failure, and timing of nesting.






Your Junco Nest Observations Could Help Researchers Impeded by COVID-19

Nesting season is upon us, and yet researchers studying urban-nesting juncos have found their research halted by stay-at-home ordinances in response to COVID-19. They’re inviting anyone who finds a junco nest (of any subspecies) to please report the details to NestWatch. Together we can help the junco research team continue their studies even as we all stick close to home!


Cornell Lab of Ornithology

Cornell Lab of Ornithology