Warming temperatures from climate change cause tree swallows to nest up to two weeks earlier than they did in the 1970s, but ...
As climate change worsens, spring temperatures come earlier in the year, cueing tree swallows to build their nests sooner. This leaves baby swallows vulnerable as the inevitable cold snap happens. “It ...
Birds & Blooms on MSN
Is a tree swallow nesting in my bluebird house?
Bluebirds aren't the only species to use nest boxes! Learn about tree swallows' nesting habits and why you should welcome them to your yard.
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