When humans dispersed across the landscape, they unintentionally benefitted Barn Swallows and Cliff Swallows by creating structures such as barns, outbuildings, and bridges, which both species use as nesting sites. In spite of this, today both species are declining across significant portions of their ranges, due to habitat loss but also due to other anthropogenic […]
When humans dispersed across the landscape, they unintentionally benefitted Barn Swallows and Cliff Swallows by creating structures such as barns, outbuildings, and bridges, which both species use as nesting sites. In spite of this, today both species are declining across significant portions of their ranges, due to habitat loss but also due to other anthropogenic […]
When humans dispersed across the landscape, they unintentionally benefitted Barn Swallows and Cliff Swallows by creating structures such as barns, outbuildings, and bridges, which both species use as nesting sites. In spite of this, today both species are declining across significant portions of their ranges, due to habitat loss but also due to other anthropogenic […]
