I:
Importing and Exporting Animals - Guidelines on animal importing and exporting. [Department of Agriculture (USDA)]

Informatics and Collection Databases - Searchable lists of specimens, illustrations, anthropological collections, and summary information about the National Museum of Natural History collections. [Ad Hoc Organizations, Smithsonian Institution]

N:
National Wildlife Research Center (NWRC) - Provides scientific information on wildlife, its habitat, and its relationship to agriculture and public safety [Department of Agriculture (USDA), Animal and Plant Health Inspection Service (APHIS)]

P:
Primate Info Net (PIN) - A web site for people with an interest in the field of primatology [Department of Health and Human Services (HHS), National Inst. of Health (NIH), National Center for Research Resources (NCRR)]

PrimateLit Database - Online bibliographic access to the scientific literature on nonhuman primates for the research and educational communities [Department of Health and Human Services (HHS), National Inst. of Health (NIH), National Center for Research Resources (NCRR)]