Oregon Department Of Fish And Wildlife

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In this Jan. 18, 2017, file photo provided by the Oregon Department of Fish and Wildlife, elk feed at the Wenaha Wildlife Area near Troy, Ore. Wildlife managers in seven states in the U.S. West, including Oregon, report severe weather this past winter was rough on wildlife. (Keith Kohl/ Oregon Department of Fish and Wildlife via AP, File)

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File - In this Jan. 18, 2017, file photo provided by the Oregon Department of Fish and Wildlife, elk feed at the Wenaha Wildlife Area near Troy, Ore. Wildlife managers in seven states, including Oregon, in the U.S. West report severe weather this past winter was rough on wildlife. (Keith Kohl/ Oregon Department of Fish and Wildlife via AP, File)

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FILE - This March 13, 2014 file photo provided by the Oregon Department of Fish and Wildlife shows a female wolf from the Minam pack outside La Grande, Ore., after it was fitted with a tracking collar. The number of wolves in the wilds of Oregon increased slightly last year, according to state wildlife officials. But they lost track of the South Snake Pack because none of its members wears GPS collars. (Oregon Department of Fish and Wildlife via AP, File)

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FILE - This March 13, 2014, file photo, provided by the Oregon Department of Fish and Wildlife shows a female wolf from the Minam pack outside La Grande, Ore., after it was fitted with a tracking collar. The population of wolves in Washington state grew by 28 percent last year, with at least two new packs, the state Department of Fish and Wildlife said Friday, March 17, 2017.(Oregon Department of Fish and Wildlife via AP, File)

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FILE - This March 13, 2014 file photo provided by the Oregon Department of Fish and Wildlife shows a female wolf from the Minam pack outside La Grande, Ore., after it was fitted with a tracking collar. Wolves continue to recover in Eastern Oregon after the state documented a third year of seven or more breeding pairs in the region east of U.S. Highways 97, 20, and 395. (Oregon Department of Fish and Wildlife via AP, File)

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In this Jan. 18, 2017, photo provided by the Oregon Department of Fish and Wildlife, elk feed at the Wenaha Wildlife Area near Troy, Ore. A heavy snowfall this winter in the Pacific Northwest and other parts of the West has caused travel delays and other problems for people, but wildlife are also suffering, from deer and elk whose food sources are buried under snow and ice to cougars that had to forage in an Oregon town. (Keith Kohl/ Oregon Department of Fish and Wildlife via AP)

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In this Jan. 18, 2017, photo provided by the Oregon Department of Fish and Wildlife, elk feed at the Wenaha Wildlife Area near Troy, Ore. A heavy snowfall this winter in the Pacific Northwest and other parts of the West has caused travel delays and other problems for people, but wildlife are also suffering, from deer and elk whose food sources are buried under snow and ice to cougars that had to forage in an Oregon town. (Keith Kohl/ Oregon Department of Fish and Wildlife via AP)

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**MOVING OVERNIGHT THURSDAY, JAN 26**In this Jan. 18, 2017, photo provided by the Oregon Department of Fish and Wildlife, elk feed at the Wenaha Wildlife Area near Troy, Ore. A heavy snowfall this winter in the Pacific Northwest and other parts of the West has caused travel delays and other problems for people, but wildlife are also suffering, from deer and elk whose food sources are buried under snow and ice to cougars that had to forage in an Oregon town. (Keith Kohl/ Oregon Department of Fish and Wildlife via AP)

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In this May 8, 2015 photo Scott Hogg fishes on Elk Lake, Ore. The Oregon Department of Fish and Wildlife stocks the lake with about 50,000 trout fingerlings each year. (Mark Morical/The Bulletin via AP)

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This May 25, 2014 photo provided by the Oregon Department of Fish and Wildlife shows OR-26, a 100-pound adult male wolf trapped outside La Grande, Ore., and fitted with a GPS tracking collar. The wolf is the 26th to be fitted with a tracking collar since wolves started swimming the Snake River from Idaho in the 1990s. The latest estimate puts Oregon's wolf population 65. A similar collar on Oregon's famous wandering wolf, OR-7, made it possible to track his travels across Oregon into Northern Claifornia in search of a mate. (AP Photo/Oregon Department of Fish and Wildlife)

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This May 20, 2014 photo provided by the Oregon Department of Fish and Wildlife shows OR-25, a yearling male from the Imnaha pack neart Joseph, Ore. State biologists are trapping and fitting Oregon's growing wolf population with GPS tracking collars which give daily satellite position reports. The reports allow ranchers to know when wolves are near livestock herds, and show scientists where young wolves have dispersed in search of mates and new territories. (AP Photo/Oregon Department of Fish and Wildlife)

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In this image from KPIC-TV video Tuesday, May 20, 2014, police in Myrtle Creek, Ore., watch after a female bear cub dropped off at the police station after a boy found the cub inside the city limits Monday, May 19, 2014. The Oregon Department of Fish and Wildlife transferred the cub to a wildlife center near Corvallis. Tim Walters with ODFW said Thursday, May 22, that the cub will likely be sent to a zoo. (AP Photo/KPIC-TV)

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This undated photo provided by the Oregon Department of Fish and Wildlife shows the Oregon Hatchery Research Center near Alsea, Ore. The center has agreed to do an experiment on whether hatchery-produced steelhead can be bred to be better biters. A growing body of evidence indicates that hatchery fish bite anglers' hooks less frequently than wild fish. Oregon spends $25 million a year on producing salmon and steelhead for anglers to catch. (AP Photo/Oregon Department of Fish and Wildlife)

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This undated photo provided by the Oregon Department of Fish and Wildlife shows the Oregon Hatchery Research Center near Alsea, Ore. The center has agreed to do an experiment on whether hatchery-produced steelhead can be bred to be better biters. A growing body of evidence indicates that hatchery fish bite anglers' hooks less frequently than wild fish. Oregon spends $25 million a year on producing salmon and steelhead for anglers to catch. (AP Photo/Oregon Department of Fish and Wildlife)