U.S. Fish & Wildlife Service

U.S. Fish &  Wildlife Service



Although the following population and habitat data have undergone substantial editing and review prior to posting, errors or inaccuracies may still exist in the data.  Thus, this data should be regarded as provisional since subsequent reviews may result in significant revisions to the data. 

These data have been processed successfully on computer systems within the Division of Migratory Bird Management (DMBM), U.S. Fish & Wildlife Service (USFWS), however no warranty expressed or implied is made regarding the accuracy or utility of the data on any other system or for general or scientific purposes, nor shall the act of distribution constitute any such warranty. This disclaimer applies both to individual use of the data and aggregate use of the data. It is strongly recommended that these data are directly acquired from a USFWS, DMBM source, and not indirectly through other sources which may have changed the data in some way. The USFWS shall not be held liable for improper or incorrect use of the data retrieved from the Migratory Bird Data Center data retrieval Internet site.  It is also strongly recommended that careful attention be paid to the contents of the metadata files (About this Survey) associated with these data. The USFWS shall not be held liable for improper or incorrect use of the data described and/or contained herein.

Information concerning the accuracy and appropriate uses of these data may be obtained from the point of contact assigned to each database.  The point of contact can be found by clicking on the link, About This Survey, within each database’s homepage.

These data are the result of combined efforts by various federal, state, and provincial agencies and other researchers and managers.  It is recommended you view the database’s ‘About this Survey’ webpage for a complete listing of all persons or agencies involved.  Publications based on these data should acknowledge all of their efforts. If a publication is based solely on the analysis of the data, we suggest that you involve the point of contact within each database with the writing and/or review of the manuscript. The point of contact might also appreciate receiving a reprint or photocopy of any such article at the time of its publication.

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