Calliope Hummingbird Identification and Size Measuring a mere 3 inches long and weighing one-tenth of an ounce, roughly the same as a table tennis ball, the Calliope hummingbird is incredibly tiny.

Learn all about the brightly colored Nashville warbler, and where to look to find one. Plus, hear this teeny bird's cheery, ...

Thousands of probationary federal employees received termination notices. Many were doing crucial work at science-related agencies.

Preventing mite infestation is a constant struggle for poultry farmers, with the poultry red mite andscaly leg mite posing ...