Concern about how climate change affects food security usually focuses on agriculture in resource-poor countries. But disruptions to weather patterns threaten food supplies for wildlife too. Walk ...

Jul. 20—This week's featured creature — the tree swallow — is much less common than other swallows that we see in Oklahoma, such as cliff and barn swallows. Additionally, most agencies show that the ...

SAUKVILLE – Prairies are rich wildlife habitats. They are so bountiful, in fact, sometimes they even host species that evolved to breed elsewhere. For proof we need only look at two restored ...

PEN New England Award–winner and naturalist Heinrich (Life Everlasting: The Animal Way of Death) again translates his painstaking fieldwork into a fascinating narrative. Heinrich became interested in ...

Placement, construction, shape and material are essential nest considerations. Each species meets its own needs with its own style, developed over eons. Many bird species employ feathers in their ...

Tree swallow nests across Pennsylvania are being collected for an investigation into the patterns that the common, fast-flying, cavity-nesting birds might incorporate into their nest construction.

Cold weather like we’ve had in recent weeks rarely deters early cavity-nesting birds. I already have a Carolina wren nest with four eggs about to hatch and several complete bluebird clutches. Nesting ...

Birds are usually very choosy about where to put their nests. Some species prefer a site right next to a tree trunk where the nest is supported by small side branches, while others favor the ends of ...

Many backyard birders grow concerned when another species swoops into their bluebird boxes. A closer look at who’s moving in is warranted, since invasive species like house sparrows can harm and even ...

Established in 1999, the Resilience Alliance is an international, multidisciplinary research organization that explores the dynamics of social-ecological systems. RA members collaborate across ...

Summer is swallow season. Spring migration can in some ways seem like a less-dramatic affair than California’s fall migration of ducks and shorebirds, with a relatively subtle arrival of songbirds, ...