Illustrated glossary of ornithological terms that every serious ornithology student or birder should know.

Birds have a varied diet. Some specialize in specific foods, others are generalists.

A selection of nest adaptations of birds around the world.

Get to know the birds that commonly use bird feeders. Get identification tips and learn where they are found.

Become familiar with the 41 orders of birds in the world.

Learn the external features of a bird.