Bird Identification
Patuxent–Tools for Learning About Birds. Includes photographs, songs and identifications tips for United States, Canadian and Central American Birds.

Dendrology at Virginia Tech
The place to find tree identification fact sheets on approximately 900 species of trees, as well as lots of other tree information.

Home & Garden Information Center
Provides research-based information on landscaping, gardening, plant health, household pests, food safety & preservation, and nutrition, physical activity & health.

National Audubon Society
The mission of the National Audubon Society is to conserve and restore natural ecosystems, focusing on birds and other wildlife for the benefit of humanity and the earth’s biological diversity.

University of Connecticut Plant Database
Contains photographic and textual information on 450 trees, shrubs and vines that are useful for landscaping. Includes a Plant Selector feature that enables the user to choose plants for their landscape situation based on criteria they supply.

USGS Patuxent Wildlife Research Center
Established by President Franklin D. Roosevelt as the nation’s first wildlife research station through an Executive Order in 1936. Great conservation icons were instrumental in establishing Patuxent and investing in AmericaGÇÖs great conservation future e

What Tree is That? Tree Identification Guide
Official site of the Arbor Day Foundation provides information about planting and caring for trees, our Rain Forest Rescue and Tree City USA programs, and much more.

Wildlife Management
Provides more than 500 publications from more than 100 species on the biology, ecology, identification, control, and management of wildlife in North America.