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Loon flying over a lake

Wisconsin Loon Population Survey Update

This year marked the seventh Wisconsin Loon Population Survey. This survey started in 1985 and is orchestrated once every five years on 258 pre-selected lakes throughout northern Wisconsin. This year 230 volunteers surveyed 223 lakes on July 18 between 5 a.m. and 10 a.m. During this time, survey volunteers recorded the number of adult loons…

Mother loon and her chick

Wisconsin Loon Population on the Rise


Results of the 2015 one-day Wisconsin Loon Population Survey

The Northland College Sigurd Olson Environmental Institute LoonWatch program announced today that Wisconsin loons are doing surprisingly well, according to the results of the 2015 one-day Wisconsin Loon Population Survey. According to the most recent results, the adult loon population is estimated at 4,350, an increase of 9.1 percent from 2010, and the chick population…

Loon flying over a lake

Get Involved

Since 1978, LoonWatch’s Annual Lakes Monitoring Program has engaged an active volunteer network of Loon Rangers as its primary tool to collect critical long-term data on loons in northern Wisconsin. Learn more and volunteer.