Pineland Farms is warning cross country skiers about an aggressive, dive-bombing owl that appears to be protecting a nest near a groomed trail.

The staff at the outdoor center in New Gloucester posted warning signs in the Campus Loop Ski Trail area, where the owl recently struck a skier.

Instructor Mary Lou Lowrie said she does not believe the encounter resulted in serious injuries. She was unaware of any sightings in recent days.

“Owls are very protective of their territory, and she’s doing her job,” Lowrie said.

In a Facebook post, Pineland Farms said the owl is most likely a barred owl or a great horned owl. Both types mate and nest earlier than other owls. From January to March, these owls can become aggressive as they defend their territory and nest. Owls are most active in the evening and early morning.

“As a recreational property, we value both the safety of our visitors as well as our farm animals and wildlife,” the post said. “With education and appreciation of our natural resource, we hope to provide a safe place for both humans and wildlife to live together.”

Pineland Farms advised people to stay away from nesting areas like this one until the young are old enough to fly.

“Owls are silent when they strike, so you will not hear it coming,” the Facebook post warns. “If you must walk past a nest, wave your arms slowly overhead to keep the birds at a distance, and wear a hat (or helmet) or carry an umbrella.”

The post said to call the Outdoor Center at 688-6599 in the event of an emergency and directed people to the Maine Department of Inland Fisheries and Wildlife for more information about owls. It also mentioned a similar issue in Bangor in 2009, when an owl swooped and scratched at skiers in the city forest.

Megan Doyle can be contacted at 791-6327 or at:

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Twitter: megan_e_doyle

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