December 27, 2022

Deer or Dogs: Mountain Lions Like Them Both

A lion who did not understand the concept of "focal length" on an inexpensive trail cam.

The Vail Daily reminds ski-country residents and visitors that mountain lions can be just about anywhere in winter time. Two big attractors are "town deer" and loose dogs.

“In Eagle, Vail and Edwards, deer live in everybody’s backyards,” said Colorado Parks and Wildlife District Wildlife Manager Matt Yamashita. “That’s a major contribution to human and lion conflict. Mountain lions don’t discriminate between food sources. If there’s a deer there one day and a dog the other, it’s all the same to them.”

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“When people call about mountain lions, their biggest concern is how to keep themselves, their families, their pets safe,” Yamashita said. “Most activity we see in Eagle County is tied to dogs, specifically, dogs off leash. They’ll stalk dogs. When dogs are in danger, they’ll instinctively retreat to their owners. Dogs are the No. 1 instigator for human-lion interactions. If people could be cognizant of that, we’d have fewer conflicts.”

You always hear that a lion's territory is 70–100 square miles (18,000–25,900 ha). But territories do overlap.

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