As well as being the smallest felid in the Americas, the kodkod also has the smallest range, found only in Chile and a small ...

A 30-year "snapshot study" of birds in the Pacific Northwest is showing their surprising resilience in the face of climate ...

One of a squirrel's most important tools is its impressive nut-cracking, seed-grinding teeth. Two pairs of sharp incisors ...

Many paleontologists believe that the shape of fossilized pigment containers in cells can help determine dinosaur colors. But some remain skeptical.

There’s an important concept in evolutionary biology called “iterative evolution.” Here’s a real-life example of how it works ...

A great tit stands at the entrance of a tree hollow with a small insect in its beak. The rough texture of the bark frames the ...

It's one of the most unique national parks in the country. Learn more about the animals that live in Pinnacles National Park.

Think telling sparrows apart is just not worth the effort? Our tips might change your mind. Identify sparrows by habitat, ...

Pigeons: Members of the bird family Columbidae, which includes doves and pigeons. Kingdom: | Animalia Phylum: | Chordata ...

Bird banding at Mass Audubon’s Wellfleet Bay Wildlife Sanctuary in South Wellfleet is delicate work, more like jewelry repair ...

Don't get your American tree sparrows crossed with your house sparrows! Get to know these chatty brown birds this fall.

Many people enjoy birding, looking for wild birds that either nest in our area or migrate through in spring and fall. For ...