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Algonquin Park Loon Survey

Common Loon with young chick in Algonquin Park. Photo by Peter Ferguson.

The Friends of Algonquin Park logoSince 1981, staff and visitors have recorded Common Loon observations from Algonquin Park's lakes. Again this year we are in need of your observations of adult loons, young, or their nests, plus the lake and date on which they were observed.

Originally started to monitor the effects of acid rain, yearly monitoring has provided useful results for scientists. On average from 1981 to 2020, nests or young were observed on 40% of the Algonquin Park lakes for which reports were received.

Only long-term monitoring can distinguish real trends from normal yearly fluctuations. We need your spring and summer Common Loon observations from as many Algonquin Park lakes as possible, especially remote backcountry lakes. Please complete the form below to share your observations with The Friends of Algonquin Park.


Related Information


Reserve your developed or backcountry campsite for your next visit.

Share your passion for Algonquin Park by becoming a member or donor.

Special regulations for Algonquin's special fishery.