Refuge Notebook
Peninsula Clarion Article
Dated
15 December 2000
The Wily Coyote
by Elizabeth Jozwiak
The box says Acme Explosives: the target is that pesky roadrunner that zips
through the desert canyons with one goal in life to tantalize Wile E. Coyote.
In cartoons the coyote is always the victim of his own schemes; he gets bulldozed,
blown up, and otherwise clobbered in every episode. In real life however, the
tables are turned; it is the coyote that has the brains, the cunning, and the
determination to survive.
Coyotes are actually doing quite well across
the North America. While most other larger carnivores such as the brown bear,
wolf, and lynx have declined because of human encroachment and habitat loss, the
coyote has adapted to living in the urban and suburban environment.
Prior
to the arrival of European settlers, coyotes were found in the central part of
the U.S. and in northern Mexico. Today their range extends from Panama to Alaska,
including all of the continental U.S. states. The elimination of wolves from much
of their historic range in North America has allowed the coyote to move in and
increase its population and range with little competition from anyone.
In
Alaska coyotes were first noted in the early 1900's. Populations were reported
on the mainland of Southeast Alaska, and then slowly expanded northward into the
upper Tanana Valley from which they radiated out in all directions. There are
fewer coyotes north of the Yukon River. Coyotes probably expanded to the Kenai
Peninsula when wolf numbers were extremely low due to predator control efforts
in the 1920's -1950's. Coyotes filled the niche the wolf left, and may have reduced
or eliminated the Peninsulas red fox population through competition.
However
all that changed when wolves returned and naturally recolonized the Kenai Peninsula
in the 1960's. Coyotes continue to exist, but now they share the Peninsula with
another (and larger) canid species, which does not tolerate them very well. In
most cases, wolves are fiercely protective of their territories, and will kill
any coyote they encounter.
Kenai Refuge studies of this rather unique coexistence
of wolves and coyotes suggest that there is little direct competition for food
resources. From scat analysis; we have found coyotes to rely primarily on snowshoe
hares, porcupines, small mammals, and road kills, while wolves preferred moose.
Coyotes have also learned to avoid wolf packs because a confrontation usually
results in the coyote's death. However on one occasion several winters ago, as
I watched a wolf pack feed on a moose kill, I observed a wary coyote come out
of the trees and sneak quick bites of the moose carcass after the wolves retreated
into the woods to rest. Studies in Minnesota and Michigan have documented coyotes
living on the periphery of wolf packs and scavenging off their kills after the
pack leaves the area.
Coyotes living close to human populations are usually
safe from wolf encounters. Being true generalists, coyotes can change their diet
from natural wild prey to accommodate whatever is available in an urban setting.
Most of the time, coyotes go out of their way to avoid humans, but they are discovering
that humans are a good source for food. This behavior can sometimes lead to conflicts
with humans that own livestock and domestic pets.
Coyotes are opportunistic;
they will kill and eat small dogs and house cats, and will even make a meal out
of pet food or table scraps that are left outside. If certain precautions are
followed, these kinds of encounters with coyotes can be minimized. Not allowing
your domestic pets to roam freely, and securing your livestock will probably keep
a coyote from eyeing your turkey, cat, poodle, or rabbit as its next meal. Keeping
your trash containers closed, and pet food in the house or barn will make these
resources unavailable to coyotes.
The coyote, being one of the Kenai Peninsulas
newest residents, has found its niche on the Peninsula, both within the wilderness
of the Kenai Refuge as well as in our backyards. The next time you hear the coyotes
high-pitched yips, barks, and howls, think about how this clever coyote has learned
to roll with the punches and go with the flow. If only we humans
could be so adaptable!
__________________________________________________
Elizabeth Jozwiak is a wildlife biologist for the Kenai NWR. She studies
a variety of Alaskan birds and mammals, but her current interest focuses on wolves.
Previous Refuge Notebook columns can be viewed on the Web at http://kenai.fws.gov.
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