Migrating animals have for a long time been tracked by recapturing tagged individuals. More recently, radio-telemetry, which requires an observer to physically follow the tagged animal, has been used.

Learn about Motus wildlife tracking stations in Wisconsin at Winnebago Audubon’s Jan. 17 event in Oshkosh. Discover how you can help.

Various wildlife tracking devices manufactured by Advanced Telemetry Systems ranging from polar bear collars to devices for much smaller creatures on display at the company's facility on Feb. 12 in ...