Tree swallows and stress

A tree swallow returns to its nest box to incubate eggs. Researchers surrounded the nest’s opening with an antenna that was coupled with a tracking tag on the bird. Using this design on each nest box and bird, researchers recorded more than 177,000 feeding visits for 63 females in ...This is an NSF Multimedia Gallery item.

Source: NSF Multimedia Gallery - April 12, 2019 Category: Science Source Type: video