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 ...

Scientists once believed birds relied only on flight, talons and socialization for survival. But this one proves otherwise: it uses chemistry. For most of modern biology, there was a widely accepted ...

A few months ago, I wrote a column about the largest birds in our area. It’s easy for everyday people to think of birds in everyday terms, dismissing sparrows and blackbirds as insubstantial and ...

Birds across the Americas are getting smaller and longer-winged as the world warms, and the smallest-bodied species are changing the fastest. That's the main finding of a new University of ...