appendix-B.htm (266.75 kB)
Appendix B. Estimated population trend (, percentage per year over interval 1966-1999) for species ofNorth American birds estimated from the North American Breeding Bird Survey.
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posted on 2016-08-04, 23:40 authored by John R. Sauer, William A. LinkEstimated population trend (, percentage per year over interval 1966-1999) for species ofNorth American birds estimated from the North American Breeding Bird Survey.
