Monitor bald eagle nests throughout Colorado.

Help researchers investigate migration of birds.

Help build population trend reports on U.K’s common birds.

Monitor colonial waterbirds in Colorado

Learn about, track and report birds.

How do different birds use gardens?

To monitor the health & well-being of British garden wildlife.

Documenting trends in global osprey breeding populations.

Count birds and mammals visiting a site.

Using big data methods to build a taxonomy of human adult faces