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 ...

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 ...

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 ...

On a murky day toward the end of February, I went with a friend on the Boy Scout Camp Trail. Rain and warm temperatures had turned the snow to unpleasant deep slush and puddles in some places. As ...

On a recent visit to Bethpage State Park, I went with Kathy Wegman, a retired environmental horticulturist, as she checked bluebird and tree swallow nest boxes. At the first bluebird nest box, a ...

In the fields of Lancaster County Central Park, student scientists peer into the mysteries of tree swallows. Five students in Franklin & Marshall College biology professor Dan Ardia's life history of ...

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 ...

The arrival of swallows is a big positive for those seeking signs of spring. There were a couple early swallows in late April ...