Once leaves drop in the fall, spotting nests in deciduous trees is easy. But birds likely didn’t build every structure you see: North American tree squirrels also construct treetop nests, called dreys ...

A squirrel in France named Lemon Chestnut has gone viral again for her efforts in making a home for her family on a window ledge, charming the internet along the way. The European red squirrel is ...

Red squirrels have suffered huge declines in the last 100 years, driven by competition and disease from non-native grey ...

Scientists and volunteers have joined forces in Tartu to build a facility for injured or orphaned red squirrels.

Spring and summer this year have proven to be a tad interesting, not to mention challenging, due to an ongoing invasion by very prolific red squirrels around our home and outbuildings. Of course, ...

Q: This past Thursday and Friday, we had visits from a flock of about a dozen evening grosbeaks. In both cases, they were chased away from our feeder by an aggressive red squirrel (is there any other ...

Grey squirrels, while often seen as a charming addition to our gardens, are in fact foreign invaders that have forced out the native British red squirrels and can wreak havoc on gardens, harm birds ...

Deep in the woodland of Cumbria, a tiny red squirrel named Percy has just taken his first big leap back into the wild. But this story didn't start in the trees. It began on the forest floor, where he ...

I first saw this curious little animal on June 1. It was a beautiful day outside, but the cottonwood tree that grows next to my deck was in full seed-dispersal mode and sitting outside was not really ...