BIOSIS:
www.biosis.org/free_resources/resource_guide.html
Animal Diversity:
http://animaldiversity.ummz.umich.edu
Medbioworld:
www.medbioworld.com/cgi-bin/displaycontents.cgi?table=bio&type=Journals&filecode=(B)%20Animal
National Biological Information Infrastructure:
www.nbii.gov/issues/biodiversity/species.html#5
Nature Serve Explorer:
www.natureserve.org/explorer
Insectclopedia:
www.insectclopedia.com
Open Directory Project:
http://dmoz.org/Science/Biology/Zoology
USGS:
www.usgs.gov/science/science.php?term=1339&order=alpha
Development Biology Links:
www.uoguelph.ca/zoology/devobio/wwwlinks.htm