KALISPELL, Mont. (AP) — Wildlife officials say a grizzly bear cub was euthanized after its mother and siblings were killed in a vehicle collision on U.S. Highway 93 south of Ronan.

Bear biologists with the Confederated Salish and Kootenai Tribes found the cub after its family was killed by a sedan in late July.

They say they spent 11 days searching for a certified facility where it could live, but were unsuccessful. They euthanized the cub Thursday.

The Flathead Beacon reports orphan cubs are unable to survive without their mother and are typically captured and temporarily held at the Montana Wild Rehabilitation Center until a suitable facility is found.

In this case, Montana Wild didn't have space for the cub.

So far this year, 13 bears in northwestern Montana have died from vehicle collisions.

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Information from: Flathead Beacon, http://www.flatheadbeacon.com