The Michigan Department of Natural Resources surveys the Great Lakes fisheries every year between April and November. Crews from research stations in Marquette, Charlevoix, Alpena and Harrison ...

Wildlife managers in North Dakota and Minnesota use a variety of surveys to gather population indices for coyotes and other furbearers. The surveys tally trends rather than population estimates.

With millions of animals killed on roads every year wildlife conservation experts at Nottingham Trent University wanted to better understand how mammal populations were being affected. The research ...