Barn swallows, seen here, can be distinguished from cliff swallows by their forked tails.
Barn swallows, seen here, can be distinguished from cliff swallows by their forked tails. Michele Roest Special to The Cambrian
Barn swallows, seen here, can be distinguished from cliff swallows by their forked tails. Michele Roest Special to The Cambrian

This bird’s place in ecosystem isn’t hard to swallow

June 08, 2016 10:01 AM