The Rewilding Institute
- http://www.rewilding.org
- Conservation think tank dedicated to the development and promotion of ideas and strategies to advance continental-scale conservation in North America and to combat the extinction crisis. Includes news, details of programs, events, donations and resources. Located in Albuquerque, New Mexico.
The Wildlife Society
- http://www.wildlife.org/
- Founded in 1937, it is a non-profit scientific and educational association dedicated to excellence in wildlife stewardship through science and education.
Wayne's Word
- http://waynesword.palomar.edu/
- A natural history newsletter dedicated to interesting biological topics, including both unusual and well-known plants and animals.
Wildlife Land Trust
- http://www.wlt.org/
- Protects and preserves habitat for wildlife and provides sanctuary for wildlife by prohibiting commercial and recreational hunting and trapping. Affiliate of The Humane Society.
eNature.com
- http://www.enature.com/
- Resource and community for nature enthusiasts. Complete guide to over 4,800 North American plants and animals, with detailed descriptions and photographs, habitat guides, eCards, and newsletters.