Backyard Habitat Creation

http://www.nrcs.usda.gov/wps/portal/nrcs/detail/national/newsroom/?cid=nrcs143_023553

The Natural Resources Conservation Service of the USDA has a good reference for establishing habitat in residetial yards.

National Wildlife Federation

http://www.nwf.org/
A wonderful source of information on native plants, animals and the essential interactions between the two! Many ideas for homeowners, businesses and classrooms.

Wildlife Habitat Council

http://www.wildlifehc.org/
Information on wildlife habitat for corporate lands, wetlands, homes, brownfields and even Superfund Site remediation.

Windstar Wildlife Institute

http://www.windstar.org/
An organization dedicated to spreading knowledge about wildlife and wildlife habitat. Visit their knowledge section for information on backyard habitat, meadows, and many other things. They are also working on a 29 acre demonstration garden in Maryland.