Canadian Lakes Loon Survey (CLLS)

Canadian Lakes Loon Survey (CLLS)

The Canadian Lakes Loon Survey (CLLS) is a long-term, volunteer-based project designed to monitor the breeding success of loons on lakes across Canada. Its goals are to help conserve loons by engaging participants in monitoring and education activities, and use loon productivity as a long-term indicator of the health of freshwater lakes.

The CLLS was initiated in Ontario in 1981 by Bird Studies Canada, and expanded nationally in 1989. Human disturbance and development are ongoing threats to loons. Loon surveyors tell us they observe many activities that are detrimental to loons including: disturbance of nesting sites (as a result of boats, canoes, jet skiis, and water level changes); discarding of entangling debris (fishing lines and domestic garbage); inadvertently attracting and supporting nest predators (raccoons, skunks, and gulls); and displacement of loons through habitat loss.

Ultimately, local human disturbance can be minimized when people are sensitive to needs of loons. As more people move into loon country, promoting loon-friendly activities is increasingly important. Loon surveyors' continue to play a key educational role through distributing brochures, creating informative displays, erecting signs, building nest platforms, addressing local concerns, and, of course, tracking loon chick survival over their first, critical summer.

Citizen Scientists are needed to promote Loon-friendly lakes, build floating Loon nesting platforms, collect Loon eggs and carcasses and identify threats to these birds.

Project Details

  • PRINCIPAL SCIENTIST: Art Martell, Chair
  • SCIENTIST AFFILIATION: Bird Studies Canada
  • DATES: Ongoing
  • LOCATION: - Canada
  • PROJECT TYPE: Observation
  • COST: Free
  • GRADE LEVEL: All Ages

    To volunteer, visit the Bird Studies Canada special projects page or e-mail

See more projects in FreeObservationAll Ages.

What Is Citizen Science?

Research often involves teams of scientists collaborating across continents. Now, using the power of the Internet, non-specialists are participating, too. Citizen Science falls into many categories. A pioneering project was SETI@Home, which has harnessed the idle computing time of millions of participants in the search for extraterrestrial life. Citizen scientists also act as volunteer classifiers of heavenly objects, such as in Galaxy Zoo. They make observations of the natural world, as in The Great Sunflower Project. And they even solve puzzles to design proteins, such as FoldIt. We'll add projects regularly—and please tell us about others you like as well.

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