 |
Figure
1. Elk have been an intrinsic
part of Washington tribal culture for thousands of years.
They have helped Indian people survive throughout the
centuries by providing a continual source of meat and
marrow for sustenance and vitamins. Elk also have been
used for religious purposes, clothing, and drum making.
To this day, the elk is part of traditional ceremonies
and is essential for maintaining tribal culture.
(Photo
by Ginger Holser.) |
|
|
Elk range in
color from light brown in winter to reddish tan in summer, and have
characteristic buffcolored rumps. In winter, a dark brown, shaggy
mane hangs from the neck to the chest. Bull elk have large, spreading
antlers.
Like other
members of the deer family, the antlers of bull elk grow during
spring and summer beneath a hairy skin covering known as velvet.
In late summer the velvet dries and falls off to reveal the bonelike
structure of the fully-grown antlers. Elk shed their antlers beginning
in late February for the largest males, extending to late April
and even early May for younger ones. New antler growth begins soon
after shedding. (For additional information on antlers see All
About Antlers.)
Two subspecies
of elk are found in Washington (Table 1).
Table
1. Washington Elk
Roosevelt
elk (Cervus elaphus roosevelti, Fig. 1), named after
U.S. President Theodore Roosevelt, occur in the Coast Range, the
Olympic Range, and the west slopes of the Cascades. Olympic National
Park in northwest Washington holds the largest number of Roosevelt
elk living anywhere (about 5,000). This subspecies is the state
mammal of Washington.
Rocky Mountain
elk (Cervus elaphus nelsoni) occur primarily in the mountain
ranges and shrublands east of the Cascades crest. Small herds have
been established, or reestablished, throughout other parts of western
Washington. Rocky Mountain elk populations currently in Washington
stem from elk transplanted from Yellowstone National Park in the
early 1900s.
Rocky Mountain
elk are slightly lighter in color than Roosevelt elk, and some experts
believe they are slightly smaller in size. The antlers of Rocky
Mountain elk are typically more slender, have longer tines, and
are less palmated than Roosevelt elk antlers.
“Wapiti”
is the name for Rocky Mountain elk in the Shawnee language and means
“white rump.”
Hybrids, or
genetically mixed populations of Roosevelt elk and Rocky Mountain
elk, are common in the Cascade Range.
Facts about Washington Elk
Food
and Feeding Behavior
- Elk require
large amounts of food because of their body size and herding tendencies.
- In spring
and summer, when food is plentiful, elk are mainly grazers—eating
grasses, sedges, and a variety of flowering plants.
- In fall,
elk increasingly become browsers, feeding on sprouts and branches
of shrubs and trees, including conifers as a last resort when
snow covers other plants.
- During
fall and winter, elk continue to eat grasses when these are available
and not covered by deep snow.
- Like deer
and moose, elk are ruminants. They initially chew their food just
enough to swallow it. This food is stored in a stomach called
the “rumen.” From there, the food is regurgitated,
then re-chewed before being swallowed again, entering a second
stomach where digestion begins. Then it passes into third and
fourth stomachs before finally entering the intestine.
Cover and
Range Needs
- Elk are
hardy animals that have few physiological needs for cover. They
do, however, use cover during extreme weather, to avoid hunters,
or when they are harassed. Cover also conceals newborn calves
from predators.
- Ideal elk
habitat includes productive grasslands, meadows, or clearcuts,
interspersed with closed-canopy forests.
- Year-round
ranges for Rocky Mountain elk vary from 2,500 to 10,000 acres,
and usually include distinct summering and wintering areas.
- Year-round
ranges for Roosevelt elk are smaller, usually 1,500 to 4,000 acres,
because they are generally found where the climate is less severe
and where food and cover are more readily available.
Social Structure
- Elk are
social animals, living in herds for much of the year. During spring,
summer, and winter, elk tend to split into cow–calf herds
and bull herds.
- Cow–calf
herds are usually led by older, experienced cows and may include
adolescent bulls.
- During
the mating season (rut) in early fall, adult and subadult bulls
find and temporarily join cow herds. The larger, more aggressive
bulls try to gather harems of cows, which they defend against
competing bulls (Fig. 2).
- Harems
range in size from 3 to 4 cows to as many as 20 to 25 cows. Bulls
socially dominate the cows within their harems, but the movements
of these breeding groups are still determined by older, lead cows.
- Adolescent
males form small bachelor groups or patrol the edge of breeding
harems.
- Breeding
activities cease by mid-October; bulls usually leave the cow–calf
groups then and the herds disperse into wintering areas.
 |
Figure
2. During the mating season (called the rut) in early
fall, the larger, more aggressive bull elk gather harems of
cows, which they defend against competing bulls. (Oregon
Department of Fish and Wildlife.) |
Reproduction
- Mating
occurs during the fall rut, and successful bulls breed with numerous
females each year.
- Once the
rut begins, mature bulls challenge each other vocally, emitting
high-pitched calliope-like whistles, or “bugles.”
- Cows have
an eight- to nine month pregnancy, which results in the birth
of a single spotted calf in late May or early June.
- The timing
of birth seems to optimize calf survival by being late enough
that the risk of cold, inclement weather has passed, but early
enough so that there is considerable time for calves to grow before
the onset of next winter.
- Just before
giving birth, a cow elk will leave the herd and select a birthing
place. Because predators would easily detect large groups of elk,
cow elk appear to avoid grouping with other elk until their calves
are large enough (usually about two weeks of age) to run effectively
to escape predators.
- Other cows
sometimes tend calves when mothers are feeding; a mother may nurse
her calf for up to nine months.
- Calves
grow quickly and lose their spots by summer’s end. By the
onset of winter, a calf that entered the world weighing 35 pounds
may tip the scales at 225 to 250 pounds.
Mortality
and Longevity
- With a
superb sense of smell, excellent hearing, and a top running speed
of 35 mph, elk are well equipped to avoid the few predators capable
of bringing them down.
- Cougars
prey upon adult elk; calves may also fall victim to bears, bobcats,
domestic dogs, and coyotes.
- Hunting,
automobiles, predation, and habitat loss all take their toll on
elk populations.
- Most elk
are physically declining by age 16, and a 20-year-old wild cow
elk is very old. Bulls generally do not live as long as cows,
rarely surpassing 12 years.
Viewing
Elk
Elk are primarily
crepuscular (active mostly at dawn and dusk), so early morning
and late evening are the best times to observe them. But when
temperatures soar or when they are harassed, elk may become more
active at night.
When disturbance
levels are low and temperatures mild, elk may be observed feeding
in short bouts throughout the day. When not hunted, elk adapt
well to humans and find lawns and golf courses excellent places
to graze.
A good time
of year to observe elk is in fall. In late September and October,
bulls are battling each other over females and are not as concerned
about being seen. This is a fascinating time to observe elk because
the shrill bugles of the bulls can often be heard near dawn and
dusk.
Leafless
trees allow greater visibility, and when it is raining there is
less chance of being heard crunching through an area. However,
be aware of open hunting seasons during this time of year and
wear bright orange clothing for your safety. Also, care needs
to be taken when around adult male elk during the mating season,
particularly in areas where they are accustomed to people, such
as national parks.
The best
way to view wild elk is to find a meadow, clearcut, or other open
grassland elk have been using and to wait quietly nearby. Because
elk have a keen sense of smell, it is best to be downwind of where
you expect them to come from. (Contact your local Fish and Wildlife
office for information on where to view elk in your area.)
Feeding
Areas
In winter,
look for pits dug in snow where elk have been pawing for food,
or for the well-worn trails or crisscrossing tracks in the snow
typical of foraging elk.
Gnawed aspen
and other deciduous tree trunks are also common in elk country
during winter. The bottom-teeth-only scrape marks of elk and moose
are virtually identical. Gnawings may also be found on downed
trees and branches and are easily distinguished from the chisel-like
cuttings of beaver.
Aspen trunks
that have been gnawed year after year eventually develop a rough,
blackened trunk as far up as the animal can reach. A grove of
black-trunked aspen is a sign that winter range has been heavily
used by elk or moose.
 |
Figure
3. A 4-inch long and 3-inch wide elk print is larger and
rounder than that of a deer, and somewhat rounder and smaller
than that of a moose.
(From Pandell, Animal Tracks of the Pacific Northwest.)
|
Tracks
and Trails
Elk, much easier
to track than most animals due to their weight, leave marks in
or on almost anything they walk over. Tracks, often found in large
numbers indicating a passing herd, are easy to identify and follow
(Fig. 3).
Like all
members of the deer family, elk have cloven hooves that normally
resemble a split-heart shape on soft earth. The dewclaws on all
four feet may register in several inches of mud or snow. Hoof
prints may be splayed wide on slippery surfaces, or when the animals
were running.
Elk trails
are often several animals wide and quite noticeable at the transition
from grassland into brush or woodlands.
Droppings
Given a steady,
consistent diet, pellets deposited by deer and elk may be the
same general shape and texture. Individual pellets are usually
dimpled at one end and have a small projection at the other, giving
them an almost acorn-like shape. However, elk droppings are slightly
larger, and whereas an adult deer may leave 20 to 30 pellets at
a time, elk may deposit twice that many. This difference in volume
becomes especially apparent when a rich diet causes the animals’
droppings to become a soft mass, similar to a domestic cowpie,
but smaller.
“Elkpies”
average 4 to 6 inches in diameter, while those of deer run about
2 inches across. Even when elk are eating mostly grass, elkpies
will still show more distinct edges among the individual pellets
than cowpies, which may be an amorphous mass.
Elk Rubs
In late summer,
as antler growth ceases, it finishes mineralizing and the blood
supply to the velvet begins to deteriorate. This causes the velvet
covering of the antlers to dry up and shred. As it dies, bulls
begin to vigorously rub their antlers on shrubs and trees, to
help rid them of the velvet. This rubbing behavior may also be
the first ritualized use of the bull’s newly hardened antlers—it
is quite noisy and attracts the attention of other elk.
It has been
theorized that this “horning” of shrubs frequently
causes shrub branches to be broken off and intertwined with the
bull’s antlers, effectively making them look larger and
more threatening to rivals and more impressive to potential mates.
The rubbing also covers the bone-white antler with plant compounds
that subsequently oxidize and stain the antlers to their characteristic
dark brown color.
Regardless
of the cause of this behavior, the result is obvious: small saplings
and shrubs are left looking like someone with a hedge trimmer
went on an angry rampage. In areas where elk are abundant, mangled
shrubs and small trees are extremely obvious signs of the presence
of bulls and their preparation for breeding.
| Collecting
Antlers
Finding
the simple treasures of shed deer or elk antlers can brighten
up a casual winter hike in the woods (Fig. 4). Although antler
hunting season gets under way in late winter, because most
bucks and some bulls have shed them then, biologists recommend
delaying serious antler hunting to late spring to avoid inadvertently
harassing animals on winter range.
Collecting
naturally shed deer and elk antlers is legal, but there are
some ethical considerations to keep in mind and a few places
that are restricted or off-limits. The easiest antler hunting
is, of course, where deer or elk concentrate in the winter.
But if many antler hunters descend on that area before wintering
animals have left, the disturbance can threaten their survival
at the harshest time of year.
Public
lands across the state may have rules, so antler hunters should
do their homework before going afield. By long-standing policy,
shed antlers or anything else naturally found in national
parks cannot be removed. |

Figure 4. The number of tines an elk antler has is
a poor indication of the animal’s age. Older bulls usually
have more tines than younger bulls, but poor food or mineral
supply may retard antler development. A mature bull elk with
six points (shown here) on each side is known as a “royal
bull.” A bull with seven points on each side is called
an “imperial bull,” and one with eight points
per antler is called a “monarch bull.”
(Oregon Department of Fish and Wildlife.) |
Wallow
Sites
Probably the
most easily identified elk sign is the mud wallow scented with
urine and droppings. Bull elk roll in wallows to cover their bodies
with scent, creating bathtub-size depressions with low walls of
displaced mud ringing their perimeters. Receptive cow elk, drawn
by the odor, will also roll and urinate in the wallow, indicating
their willingness to mate. Elk that use these wallows may become
so foul smelling that, when downwind, humans can easily detect
their presence.
Elk also
roll in mud wallows to loosen their dead winter coats and help
dislodge annoying parasites. A coating of mud also provides some
degree of protection from bloodsucking insects.
Mud wallows
are musky smelling and have light-colored hairs lining their bottoms
as well as fresh hoofprints all around. Wallows are found where
the ground is wet and muddy, usually near water and almost always
in a secluded area where elk feel relaxed enough to drop their
guard a bit. Abandoned wallows will likely be filled with water,
have grasses growing around them, and may develop into breeding
sites for frogs and salamanders.
Calls
Elk are the
noisiest member of the deer family in North America. Males are
known for their eerie bugles during the rutting season. The bugle
starts with a guttural groaning that quickly yields to a high-pitched
whistle, and often ends with a few repetitive low-toned grunts.
Calves often
bleat to locate their mothers, and adult females commonly bark
loudly to alert other elk to danger.
Tips
for Attracting Elk
The large
ranges required by elk, especially elk that migrate between summer
and winter ranges, mean that most property owners are unable to
manage or provide year round elk habitat. Thus, habitat management
for elk requires considerable coordination among landowners.
Contact the
agency that owns large areas of elk habitat near you. Ask them
to carefully manage such things as the timing and distribution
of firewood cutting, logging, and the density of roads in order
to minimize elk disturbances, especially in high-use summer areas.
Because lands
traditionally used by elk are severely impacted by land subdivisions,
changes in agricultural practices, and invading noxious weeds, policies
that control these activities can substantially benefit elk. (Plants
that elk prefer are listed in Table 2.)
Key winter
range areas should be identified and given high priority in future
land acquisitions, leases, easements, and incentives to create
or preserve elk habitat. (Contact your local Fish
and Wildlife office for cost-share or other programs that
may help you manage elk on your property.)
Mineral blocks
are attractive to elk and deer, especially during the spring.
However, mineral blocks, if placed on the ground, will leach minerals
into the soil. Even after removing the block, these leached minerals
will continue to attract use and in almost no time at all you
will have a pit in the ground, excavated by elk and/or deer. These
can become huge areas that could be an injury hazard to an animal
or person, and they may continue to be excavated several seasons
after removing the mineral block.
So, once
you commit to putting a mineral block on the ground, it’s
no simple matter to change your mind and remove it. Once there,
its presence, even if only temporary, will continue to affect
the local environment.
Leaching
may be prevented by putting the block in a covered area or in
a plastic tub with high enough walls to prevent an animal from
rolling the block out onto the ground.
If a landowner
intended to hunt deer or elk in the area where a mineral block
was located, they should check with enforcement personnel to make
sure the use of a mineral block would not constitute “baiting”
or be restricted for any reason.
For additional
information, see “Tips
for Attracting Deer” in Deer.
Table
2. Food plants used by Washington elk.
Roosevelt
Elk |
Rocky
Mountain Elk |
| Trees |
Aspen,
Populus tremuloides
Cottonwood, Populus trichocarpa
Red alder, Alnus rubra
Vine maple, Acer circinatum
Willow, Salix spp. |
Aspen,
Populus tremuloides
Chokecherry, Prunus virginiana
Cottonwood, Populus trichocarpa
Rocky mountain maple, Acer glabrum
Willow, Salix spp. |
| Shrubs
and Groundcover |
Blackberry,
Rubus spp.
Huckleberry, Vaccinium spp.
Oregon-grape, Mahonia spp.
Salal, Gaultheria shallon
Salmonberry, Rubus spectabilis
Thimbleberry, Rubus parviflorus
Wild rose, Rosa spp. |
Bitterbrush,
Purshia tridentata
Currant, Ribes spp.
Deer brush, Ceanothus integerrimus
Elderberry, Sambucus spp.
Huckleberry, Vaccinium spp.
Oceanspray, Holodiscus spp.
Red-twig dogwood, Cornus sericea
Serviceberry, Amelanchier alnifolia
Snowberry, Symphoricarpos albus
Sumac, Rhus spp.
Wild rose, Rosa spp. |
| Forbs,
Ferns, and Legumes |
Bear grass,
Xerophyllum tenax
Cat’s ear, Hypochaeris spp.
Clover, Trifolium spp.
Cow-parsnip, Heracleum lanatum
Fireweed, Epilobium angustifolium
Foamflower, Tiarella trifoliata
Oregon oxalis, Oxalis oregana
Pearly everlasting, Anaphalis spp.
Sword fern, Polystichum munitum |
Alfalfa,
Medicago sativa
Clover, Trifolium spp.
Dandelion, Taraxacum spp.
Fireweed, Epilobium angustifolium
Sweet clover, Melilotus spp.
Yellow salsify, Tragopogon spp. |
Preventing
Conflicts
In most areas,
elk summer ranges are on public lands, whereas winter ranges largely
are on private lands. Herein lies the source of most complaints
of damage to crops and property.
Depredation
permits may be issued to individual landowners, and special elk
permits may be issued to hunters to reduce local populations.
Removing elk by any means is probably a short-term solution; other
elk are likely to move in if attractive habitat remains available.
 |
 |
| Figure
5. An 8 foot woven-wire fence presents a formidable elk
barrier when properly constructed and maintained. The 20-year
life span of a well-built fence can justify its cost. Major
materials include sturdy, rot-resistant wooden corner posts
set in concrete (optional), wooden or studded steel T line
posts, woven wire fencing, and gates. |
Figure
6. If two widths of woven-wire field fencing are combined
to form an elk fence, secure them together with hog rings
at approximately 18-inch intervals. To allow small mammals
access through the fence, invert the bottom fence run so the
larger openings are at the bottom.
(Drawings by Jenifer Rees.) |
Problems associated
with elk include damage to tree farms and conifer plantations,
hay and alfalfa fields, orchards, and other agricultural crops.
When frightened, elk damage wire fences by running through them
rather than jumping them. Finally, many dangerous vehicle/elk
collisions occur each year in Washington.
The likelihood
of human/elk conflicts is influenced by the number of elk in the
area, the availability of alternative food sources and hiding
cover, and winter weather conditions. If elk are damaging your
property, personnel from your local Fish and Wildlife office can
help you evaluate damage-control options. Typical nonlethal damage-control
techniques include but are not necessarily limited to herding,
hazing, scare devices, fencing and fence repair, land purchases,
purchasing or leasing crops, crop-damage payments, and winter
feeding.
 |
| Figure
7. A fence with eight wires evenly spaced to 80 inches is
believed to be adequate to keep elk out of an enclosed area.
The fence should alternate positive and negative wires. Twisting
aluminum foil dipped in peanut oil onto electric fence wires
helps “initiate” elk to the shocking properties
of the fence. The animals will lick the oil-treated foil and
receive a full-charge shock. (Photo
by Russell Link) |
For information
on fencing, see below. For information on repellents, scare tactics,
and other ways to reduce human/elk conflicts, see the handout
on Deer. For tips on how to prevent a vehicle collision with an
elk, see Tips for Driving in Deer Country.
Elk fences
and other barriers: Fencing can provide relief from elk damage
in situations where plants cannot be protected individually. A
well built, 8-foot high woven-wire fence will keep elk out of
enclosed areas (Figs. 5, 6).
Recently,
electric fences have proven to be a cheaper alternative. These
fences feature eight to ten strands of high tensile steel wire
supported by conventional fence post systems (Fig. 7).
For any fence
to be effective, it must be seen by elk. A group of elk led by
the dominant cow will go through any type of fence, except perhaps
a cyclone fence, if the fence is in their path and they don’t
see it before the group is upon it.
Placing branches
along the top of fences and draping survey or similar tape from
electric wires makes fences more visible to elk.
Polytape
electric fencing is much wider and more visible than traditional
electric wire fencing and is meant to work as a visual repellent
as well as a shocking device. Once an elk has been shocked by
a polytape fence, it is likely to both remember and recognize
the wide, brightly colored tape and avoid going near it again.
The tape is also more visible to people. There is less maintenance
required for a polytape than for single-strand fences simply because
the greater visibility of the tape prevents it from being knocked
down as often.
For small
orchards and other areas needing protection, individual trees
can be protected by 6-foot tall cylinders made of welded wire
(Figs. 8, 9).
Individual
protectors for conifer seedlings are effective until the leader
(growing tip) or lateral branches grow out of the protectors and
are once again subject to elk browsing. Plastic or nylon tubes,
netting, and bud caps have all been used successfully. Studies
indicate that paper bud covers provide effective control, and
are cheaper. They are recommended for protection of conifer seedlings.
|
|
| Figure
8. A mini elk fence should be at least 6 feet high, placed
far enough out from the plant to prevent elk from accessing
the plant and causing damage, and be firmly staked to the ground.
Prior to installation, remove all grass and weeds within the
barrier. Add mulch to reduce maintenance needs. A 2-foot high
band of chicken wire can be added to the bottom to exclude rabbits.
|
Figure
9. A variation of a mini elk fence that allows for mowing.
Note the plastic guard to prevent damage from mowing and gnawing
animals.
(Drawings
by Jenifer Rees.) |
Public
Health Concerns
Elk are not
considered a significant source of infectious disease that can
be transmitted to humans or domestic animals. However, as when
working with any wild animal, it is recommended that you wear
rubber gloves if you need to handle a sick or dead elk; wash your
hands afterwards, and fully cook all elk meat to 160~F.
Legal
Status
Roosevelt
elk and Rocky Mountain elk are classified as game animals (WAC
232-12-007). A hunting license and open season are required
to hunt them. After obtaining a permit issued by the Department
of Fish and Wildlife (WDFW), a property owner or the owner’s
immediate family, employee, or tenant may kill an elk on that
property if it is damaging crops (RCW
77.36.030). You must notify WDFW immediately after taking
an elk in these situations.
Because legal
status, hunting restrictions, and other information about elk
change, contact your local wildlife office for updates.
Additional
Information
Books
Conover,
Michael. Resolving Human-Wildlife Conflicts: The Science of
Wildlife Damage Management. Boca Raton, FL: Lewis Publishers,
2002.
Hygnstrom,
Scott E., et al. Prevention and Control of Wildlife Damage.
Lincoln, NE: University of Nebraska-Lincoln, Institute of Agriculture
and Natural Resources, 1994. (Available from: University of Nebraska
Cooperative Extension, 202 Natural Resources Hall, Lincoln, NE
68583-0819; phone: 402-472-2188)
Maser, Chris.
Mammals of the Pacific Northwest: From the Coast to the High
Cascades. Corvalis:
Verts, B.
J., and Leslie N. Carraway. Land Mammals of Oregon. Los
Angeles: University of California Press, 1998.
Internet
Resources
Burke
Museum’s Mammals of Washington
Managing
Small Woodlands for Elk
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