It’s about 3 inches long and weighs as much as a penny. But a calliope hummingbird is a tough little bird. It can fly up to 5,600 miles in a year. Despite its tiny stature, the smallest bird native to ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. A 2020 study published in Science Advance reveals just how ...

The largest North American bird, the California condor, isn’t found in Colorado, let alone Summit County. We do have bald eagles and golden eagles, but next to a condor, our eagles are pikers. Golden ...