On a windy spring day in Iowa, the American goldfinch frequently darts through the gray sky with a quick burst of yellow and ...

Every birder knows the wonderful feeling of hearing a new bird, followed by the desire to discover what bird you heard and then the thrill of correct identification. Whether you are a new birder with ...

We do this every day with domesticated species such as dogs or horses: They help us find something or carry us somewhere, and, in return, we provide them with food and shelter. In biological terms, ...

The multicolored tanager, a small bird that lives only in the mountains of Colombia, is a draw for birdwatchers. Deep in a forest in the Andes, high atop a tall tree, there’s a quick, colorful flash ...