Great Lakes Science Center
- Dedicated to providing scientific information for the management of our nation's biological resources. This site is portal to the information, services and employees of GLSC.
- http://www.glsc.usgs.gov/

National Wildlife Health Center
- Provides wildlife health and disease investigative, research and training support to federal, state, local and international conservation agencies.
- http://www.nwhc.usgs.gov/

Biomonitoring of Environmental Status and Trends (BEST)
- Evaluates environmental contaminants and their effects on species and lands. Includes monitoring and assessment methods and activities.
- http://www.best.usgs.gov/

Biological Resources Division (BRD) - USGS
- Providing the scientific understanding and technologies needed to support sound management and conservation of the Nation's biological resources. Organizational structure, regions, photo gallery, kid's corner, and learning room are featured.
- http://biology.usgs.gov/

U.S. Geological Survey (USGS)
- USGS mission is to provide reliable, impartial information to describe and understand the Earth: to minimize loss of life and property from natural disasters; manage water, biological, energy, and mineral resources; enhance and protect the quality of lif
- http://www.usgs.gov/