Tag Archives: songbirds

Migrating songbirds can become disoriented after eating insecticide-laden seeds

TORONTO, Thursday, Nov. 9, 2017 – Songbirds exposed to widely used insecticides during migration pit stops on farmland could lose significant body weight and became disoriented, research by York University and the University of Saskatchewan has found. The researchers exposed white-crowned sparrows on spring migration to realistic doses of two different insecticides – imidacloprid, a […]

No early birds getting the worms: York U study finds songbirds risk missing peak food supply

Toronto, June 3, 2013 – A mismatch between the departure schedules of songbirds and higher spring temperatures at their breeding sites is putting them at risk, according to a new study out of York University. The study, “A Trans-Hemispheric Migratory Songbird Does Not Advance Spring Schedules or Increase Migration Rate in Response to Record-Setting Temperatures […]