On a subzero morning, I clip into skis and head out across my meadow, gliding between desiccated husks of sundial lupine ...

How do squirrels survive winter?” Tree squirrels don’t hibernate. We respond to cold weather by putting on layers and staying indoors. Squirrels do the same, spending more time in insulated ...

As it turns out, the tiny hummingbird is quite a busy bird. Hummingbirds are almost always hovering. They even stay flying ...

Mr. Cañas-Valle’s discovery, described in the journal Ornithology in November, may be the first documented example of ...