Wildlife officials are reminding Boulder residents to be aware of their surroundings and steer clear of wildlife after a pair of bear encounters in and around the city on Wednesday.

Boulder Open Space and Mountain Parks spokesman Phillip Yates said a ranger responded to the area of Willowbrook Road, just north of Chautauqua Park, on Wednesday morning on a call of an aggressive black bear.

A city open space ranger and a Boulder Animal Control officer searched the area and didn't find the bear.

The investigation was forwarded to Colorado Parks and Wildlife, and Area Manager Larry Rogstad said the bear, a yearling, had not acted aggressively and did not make a "bluff charge."

"(A resident) made herself look big," Rogstad said. "Neighbors banged on pots and pans and made a lot of noise and it went away."

He added that because the bear had not behaved aggressively, no follow-up investigation is planned, nor were traps set.

At about 4 p.m., Yates said his agency received another call regarding an aggressive black bear near the National Center for Atmospheric Research, Bear Canyon and Mesa Trails.

Rogstad said the call involved a sow and two cubs. The two cubs were up in a tree and people had been walking by with dogs.

"The sow got snarly, but didn't make contact with any of the people," he said.

The bears had left the area before rangers arrived on scene, Rogstad said.


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In July, a bear came into a west Boulder home twice in two weeks, entering the house through an unlatched door. On the second visit, the bear surprised a woman inside before turning around and walking away when her dog started barking.

Rogstad and Yates said people walking in open-space areas need to be aware that they might come into contact with wildlife, including bears.

John Bear: 303-473-1355, bearj@dailycamera.com or twitter.com/johnbearwithme