American Ornithologists' Union http://www.aou.org/
American Society of Ichthyologists and Herpetologists http://www.asih.org/
American Society of Mammalogists http://www.nmnh.si.edu/msw/
Cooper Ornithological Society http://www.cooper.org/
The Herpetologists' League http://www.inhs.uiuc.edu/cbd/HL/HL.html
Society for the Study of Amphibians and Reptiles http://www.ssarherps.org/
Wildlife Convservation Society http://wcs.org/
Wilson Ornithological Society http://www.ummz.lsa.umich.edu/birds/wos.html

Natural Science Collections Alliance http://www.nscalliance.org/
Ornithological Council http://www.nmnh.si.edu/BIRDNET/OC/
Ornithological Information Source http://www.nmnh.si.edu/BIRDNET/index.html
Society for the Preservation of Natural History Collections http://www.spnhc.org/