Courtesy/ODFW

By Kale Williams

It’s been nearly a decade since wolves began repopulating Oregon after being eradicated in the early 20th century. With more than a million cattle grazing in the state, on both public and private land, conflict over livestock loses to the apex predators was nearly inevitable.

But where do they live? How many are there really? How are they managed in different parts of the state? Below you'll find a numerical breakdown of Canis lupis in Oregon, culled from the state's 2017 wolf report.

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Courtesy/ODFW

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2008

The year the wolf came back to Oregon after dispersing from packs in Idaho.

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Courtesy/ODFW

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12

The number of known packs in Oregon.

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Courtesy/ODFW

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7.3

The mean number of wolves per pack in 2017.

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Courtesy/ODFW

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124

The minimum number of wolves in the state last year. Wildlife officials can only count the wolves they see, so the actual number could be higher.

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Courtesy/ODFW

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11 percent

The increase in known wolves in Oregon between 2016 and 2017.

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Courtesy/ODFW

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14

The number or wolves being monitored with radio collars in Oregon at the end of 2017.

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Courtesy/ODFW

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11,851

The number of wolf location data points collected by wildlife managers last year. Just over half of the wolves were recorded on public land.

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Courtesy/ODFW

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66

The number of wolf attacks reported on livestock in 2017.

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Courtesy/ODFW

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17

The number of wolf attacks on cattle confirmed by wildlife investigators in 2017, down from 24 the previous year.

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Courtesy/ODFW

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4

The number of dispersing wolves that left the state last year, two to Idaho and one each to Montana and Washington.

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Courtesy/ODFW

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13

The number of confirmed wolf deaths in 2017, all but one caused by humans. Four of the wolves were killed illegally.

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Courtesy/ODFW

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5

The number of wolves killed for repeatedly attacking livestock last year.

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Kale Williams/The Oregonian

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$252,570

In grant money distributed by Oregon Department of Agriculture’s compensation program for non-lethal wolf deterrents and payment to ranchers with confirmed wolf kills or missing livestock. The majority of that money, nearly $200,000, was spent on preventative measures.

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Courtesy/ODFW

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395/78/95

The highways that form the border of the two wolf management zones in Oregon. East of the highways, wolves are managed under Phase III of the wolf management plan, which allows for killing wolves that repeated attack livestock, under certain situations. West of the highways, wolves enjoy federal protection under the Endangered Species Act and cannot be killed.

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-- Kale Williams

kwilliams@oregonian.com

503-294-4048

@sfkale

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