Concern about how climate change affects food security usually focuses on agriculture in resource-poor countries. But disruptions to weather patterns threaten food supplies for wildlife too. Walk ...

Do Tree Swallows Use Birdhouses? Many backyard birders grow concerned when another species swoops into their bluebird boxes. A closer look at who’s moving in is warranted, since invasive species like ...

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 ...

Tree swallows use behavioral and physiological mechanisms to handle rising temperatures, and their story is an optimistic example of how some species successfully respond to climate change, at least ...

The tree swallow is typically a straightforward enough bird to identify, even for newer birders. With shiny, almost ...