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While mule deer, elk and moose are the only large mammals
inhabiting Portneuf WMA, a number of small mammals also call
the area home. Beaver reside in some creek drainages, along with
porcupine and mink. Coyotes, raccoons, yellow-bellied marmots,
cottontail rabbits and the occasional bobcat and mountain lion
also roam WMA lands.
Golden eagles, Northern harriers, red-tailed hawks and great
horned owls are commonly seen on Portneuf WMA. Swainson’s
and rough-legged hawks are early spring visitors, passing through
on their migration flights north. Blue, ruffed and Columbia sharptailed
grouse are commonly found on the WMA. Turkey, gray
partridge and ring-necked pheasants are less common resident
upland bird species.
Yellow warbler, yellow-rumped warbler, MacGillivray’s warbler,
vesper sparrow, song sparrow, savannah sparrow, American
goldfinch, lazuli bunting, western kingbird, western wood pewee,
black-capped chickadee, sage thrasher, rufous-sided towhee,
green-tailed towhee, American robin, ruby-crowned kinglet,
western meadowlark, and pine siskin are some of the birds that
inhabit Portneuf WMA’s riparian and upland habitat.
Area creeks support native cutthroat trout populations. The small
size of Rock Creek, Robber’s Roost Creek, Crane Creek and
Quinn Creek restricts the trout population in number and size.
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