Cornell University: Spring cold snaps harm nesting tree swallows, but some show resilience
April 06, 2026
April 06, 2026
ITHACA, New York, April 6 -- Cornell University posted the following news:
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Spring cold snaps harm nesting tree swallows, but some show resilience
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Warming temperatures from climate change cause tree swallows to nest up to two weeks earlier than they did in the 1970s, but early spring cold snaps can hinder nestlings' growth and survival, according to a new study that incorporates a four-decade Cornell dataset on the birds.
* * *
Spring cold snaps harm nesting tree swallows, but some show resilience
*
Warming temperatures from climate change cause tree swallows to nest up to two weeks earlier than they did in the 1970s, but early spring cold snaps can hinder nestlings' growth and survival, according to a new study that incorporates a four-decade Cornell dataset on the birds.