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Protect Nesting Loons and Loon Chicks

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VTF&W photo by Mitch Moraski

Loons nesting along lake shorelines are susceptible to human disturbance, and their nests can be flooded and destroyed by motorboat wakes.

Enjoy loons from a safe distance

More humans are out on our waters boating and swimming, but we have to remember to protect the loons. Few birding experiences rival hearing the haunting call of the loon or seeing them glide by in protected coves on a lake.  To keep them safe, the Vermont Fish and Wildlife Department is asking boaters and anglers to keep a distance.

“Loons were removed from Vermont’s endangered species list in 2005, but two threats loons face are human disturbance during the breeding season and ingestion of fishing gear,”  state Wildlife Biologist Doug Morin said.

“Although most areas where loons are nesting on Vermont’s lakes are surrounded by signs reminding people to give loons the space they need, not all nesting areas are marked. We’re asking people to view loons using binoculars rather than from up close, whether they are in a boat, a canoe or a kayak.” 

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Morin also reminds people to avoid lead fishing tackle. Two loons died from lead fishing gear ingestion in 2019. Loons sometimes swallow stray fishing tackle and suffer the effects of lead poisoning.  Lead sinkers weighing one-half ounce or less are illegal in Vermont.  Morin also recommends anglers to be careful not to attract loons to their bait and lures, and especially do not leave any fishing line behind as it can kill loons. 

Eric Hanson oversees the Loon Conservation Project for the Vermont Center for Ecostudies in partnership with the Vermont Fish and Wildlife Department. He and his colleagues monitor Vermont’s loon population and have put out game cameras around loon nests to monitor the behavior of people around them.  Hanson says most people are respectful of nesting loons and give them space, but people sometimes inadvertently harm loons without meaning to.

“Loon chicks can be difficult to see, so we ask motorboaters to note where loon families are and to avoid those areas,” said Hanson. “We also ask that motorboaters obey ‘no wake’ laws within 200 feet of shorelines because boat wakes can flood and destroy shoreline loon nests.” 

As Vermont’s loon population continues to increase and canoeing and kayaking continues to become more popular, there is greater potential for people to come into conflict with loons. Hanson reminds boaters to avoid pursuing loons in a canoe or kayak, especially loons with young. 

“Occasionally a loon will be curious and approach people and if that happens, just enjoy it,” said Hanson. “However, loons that are constantly swimming away from you are stressed and may abandon their young if they feel they are in danger.”

Hanson also urges shoreline property owners to maintain appropriate habitat for loons, including a forested area along shorelines where loons can nest.  Having shrubs and trees instead of lawns along shorelines also improves water quality which is essential for healthy lakes and loons.

Volunteers interested in monitoring loons for the Loon Conservation Project should contact Hanson atehanson@vtecostudies.org.  Volunteers can monitor lakes all summer long with a focus on lakes with loon pairs and nesting.  Some adopt-a-lake sites that need volunteers (listed from north to south) are Great Averill Lake, Little Averill Lake, Island Pond, Maidstone Lake, Jobs Pond, Center Pond, Salem Lake, Lake Memphremagog, Clyde Pond, South Bay, May Pond, Hardwick Lake, Nelson Pond, Stiles Pond, Moore Reservoir, Comerford Reservoir, Keiser Pond, Ewell Pond, Peacham Pond, Osmore Pond, Kent Pond, Lake Rescue, Lake Hortonia, Lake Bomoseen, Lake St. Catherine, Gale Meadows Pond, and Harriman Reservoir. 

Volunteers can also survey one or two lakes on Loonwatch Day, being held on July 18 this year, between 8 and 9 a.m.  The goal is to survey all lakes greater than 20 acres at the same time, which provides a population count and checks on small lakes that are surveyed less often during the rest of year.