Browsing Leonard, Marty by Author "Norris, D. R."

Now showing items 1-1 of 1

  • Spatiotemporal Patterns in Nest Box Occupancy by Tree Swallows Across North America 

    Shutler, Dave, David J. T. Hussell, D. R. Norris, David W. Winkler, et al. 2012. "Spatiotemporal Patterns in Nest Box Occupancy by Tree Swallows Across North America." Avian Conservation and Ecology 7(1): 3-3.
    Data from the North American Breeding Bird Survey (BBS) suggest that populations of aerial insectivorous birds are declining, particularly in northeastern regions of the continent, and particularly since the mid-1980s. ...