Ecological Services
Conserving the Nature of America in the Southwest Region
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Electronic Library

This application provides an interface to a growing number of published documents of the U.S. Fish and Wildlife Service Southwest Region. Use the list and search features to view a list of documents. Click on one of the documents in the list to view it on-line.

The Arizona Ecological Services Field Office maintains an independent site for it's Document Library (Link to AZ library).

Our goal is to provide as many of our public documents as possible in electronic format here for easy access.  Our documents have been created in a variety of formats and in the interest of rapid development of this resource, we will not be publishing them all in the same format.  Some documents will be made available in a text format for download, while others will be available in HTML or Adobe Acrobat format.

To request a hardcopy of a document, please send an email to with the the document title and your contact information.

Simple Category Search
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Documents added within last 90 days:

  • Visit the Department of the Interior's New Library Site
  • Visit the U.S. Fish and Wildlife Service Fish and Wildlife Reference Service for a searchable list of other Service publications.
  • Visit the Department of the Interior Electronic Reading Room.
  • Visit the U.S. Fish and Wildlife Service library information page for information on obtaining other documents from the USFWS.
  • Last updated: June 27, 2018