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Nestwatch Blog: "phenology"


For American Kestrels, It Pays To Stay In Sync With Spring

A unique new study combines American Kestrel nest records from varied sources in order to analyze trends in nesting phenology. What they found is that for kestrels, especially those in the Northeast, it pays off to be right on time. Delays in starting a nest resulted in fewer offspring and lowered probability of success.


Chasing a Moving Target: When insects accelerate, birds must try to keep pace

You’ve heard of getting your “omega-3s”, but did you know that birds need them too? According to new research utilizing NestWatch data, insect-eating birds may struggle to get their omega-3s under climate change. Read about how nutritional peaks (i.e., insect emergences) are changing in this new research summary.


Not Too Chilled To Build

Nest box monitors in Florida and Texas have reported some extremely early Eastern Bluebird nests this month. Learn more about this exceptionally rare timing, and what may have triggered these unusual nesting attempts.


Buckeye Birds Track Temperature And Precipitation

A new study based on Ohio’s bluebirds and Tree Swallows sheds light on how future climate scenarios might impact nesting birds. It also takes a look at how birds might help mitigate crop pests in Ohio.


Time Traveling House Finches

A study spanning a century of House Finch data suggests that as California’s springs get warmer, the birds are laying eggs earlier in the season. Read on to learn how researchers used our nest records to uncover the historic lives of House Finches.

Cornell Lab of Ornithology

Cornell Lab of Ornithology