After he became editor of Forest and Stream magazine in 1876, he launched a campaign to stop barn swallows and egrets from being hunted for hat feathers. Learn how to identify and attract a purple ...

The different preferences for tail feather length and chest color across subspecies make barn swallows more likely to mate within their own group, Schield added. If the trend continues ...

The different preferences for tail feather length and chest color across subspecies make barn swallows more likely to mate within their own group, Schield added. If the trend continues, these groups ...

And three other species - European starlings, barn swallows and ring-billed gulls ... birds sang to a different tune How birds of a feather evolved together "We spend a lot of time and money ...