Use this guide to perform background research to refine a research topic, confirm terminology, and get a general understanding before finding books and articles to support a research project.
Birds of North America is a comprehensive reference covering the life histories of North American birds with detailed scientific information for each of the 716 species of birds nesting in the USA and Canada. This is an updated online version of the print series of the same name. Each encyclopedic entry includes a list of references and may include images, audio, and video.
Search or browse across eight subject encyclopedias and dictionaries with over 10,000 entries. References are linked via Get VText.
The U.S. Fish and Wildlife Service's National Digital Library is a searchable collection of selected images, historical artifacts, audio clips, publications, and video and that are in the public domain. Documents are commonly presented as PDFs; multimedia are presented in JPG and other video formats. Also includes bibliographic records for physical media.