They tend to stay away from lakes populated by humans. Once shot for sport. The common loon population eats a lot of fish. One man accused the loons of taking more than 50,000 in trout that his club had stocked in private lakes. Ccommon loons are threatened by habitat loss, largely due to human disturbance from recreational activity.
Shoreline development is most harmful, because it prohibits the common loon from nesting.
Loons also get tangled in nets, and cought in fishing traps. References Reference written by Roberto J. Rodriguez, Biology 108 student. Page last updated 29 July 1997. Sponsored in part by the Interagency Education Research Initiative, the Homeland Foundation and the University of Michigan Museum of Zoology . The ADW Team gratefully acknowledges their support.