Do swallow sightings have special meaning? Similar to the tree swallow, violet-green swallows are cavity nesters. They can nest in cliffs, but they’ll also use dead trees, old woodpecker holes ...

The western counterpart of the tree swallow, the violet-green swallow has narrower wings and a shorter tail. This species frequently uses nest boxes. Polytypic (3 ssp., none separable in the field ...

Swallows, such as these, had nested at the Shrewsbury site to raise their young but are believed to have taken flight An ambulance service has said it is going to wait before it removes a swallows ...