Videos and software for identifying birds in the western North America.

Detailed descriptions of CD-ROMs Birds of Bolivia, Birds of Venezuela, and Birds of Tropical Asia.

On-line personal bird listing with access to a global database.

Map List software for North American and world birding lists, plus many links.

Manufactures and markets the Song Sleuth digital birdsong detective, which claims to automatically identifies birds from their songs in the field.

Bird Recorder 32 and Pocket Bird Recorder programs for keeping track of sightings of birds, butterflies, and dragonflies.