The Breeding Bird Survey at 50: scientists and birders working together for bird conservation

by Constance M. Downes, Marie-Anne R. Hudson, Adam C. Smith, Charles M. Francis
Published 2016-06-01

Change Points in the Population Trends of Aerial-Insectivorous Birds in North America: Synchronized in Time across Species and Regions.

by Adam C Smith, Marie-Anne R Hudson, Constance M Downes, Charles M Francis
Published 2015-01-01