Products

The unique collection of songs and calls on the DVD include multiple songs for many species. Within a species, the songs are similar but do vary by...

This field guide contains 111 species of Illinois birds, and provides an easy-to-use color guide. See a yellow bird and don’t know what it is? Ju...

Waterford's series of Pocket Naturalist Guides to plants, animals, and other aspects of nature highlight the most common, distinctive, and widely d...

In a series of state-by-state pocket guides designed for kids but useful for anyone wanting concise information on 50 of Illinois’ "critters," in...

The state flower, the violet, is one of thousands of species of plants growing in the diverse ecosystems found throughout Illinois. This beautifull...

Waterford's series of Pocket Naturalist Guides to plants, animals, and other aspects of nature highlight the most common, distinctive, and widely d...

Now you can easily identify any bird—even if you don‚Äôt know its name. The new Our Birds CD-ROM series from Peter W. Thayer displays full-color ph...

Tree identification can be easy and enjoyable for everyone! Trees of Illinois Field Guide features professional full-page photos and comprehensive,...