Biology

BIRDNET is an online repository of information about the science of ornithology, and about issues of interest to ornithologists. The site is intended to provide information to professional ornithologists, and to members of the general public interested in learning more about both the scientific study of birds and the application of information from that study to conservation and other problems affecting or associated with birds. BIRDNET is maintained by the Ornithological Council.

Descriptions of the distinguishing characteristics of bird families with text and photos.

The International Ornithological Union's list of the extant birds of the world that is updated regularly to include changes of names or classification, additions of newly described species as well as proposed splits and lumps, and taxonomic comments.

A useful list of links to ornithological collections and museums, checklists/taxonomic and government resources emphasizing North American and the United States.

The Cornell Lab of Ornithology is a world leader in the study, appreciation, and conservation of birds. Our hallmarks are scientific excellence and technological innovation to advance the understanding of nature and to engage people of all ages in learning about birds and protecting the planet