Musk Ox
The musk ox live in the frozen tundra of northern, Alaska, Canada, Ellesmere Island, Greenland, Norway, Sweden and Siberia. No other hoofed animal lives as far north as the musk ox. The musk ox can live in the harsh conditions of the arctic tundra because its 24" long hair and woolly undercoat ward off frost andprovide insulation. It has a sturdy build. It looks like a huge dust mop on hooves, their long hair |
In the summer the musk ox herd has about 10
members. They will use the almost constant daylight to stuff themselves on
plants. They need to put on enough fat to get them through the long winter. In
winter the herd can have about 15 to 20 members. They will head out to higher
ground where the fierce Arctic winds blow the snow off the ground. Here they
will feed on crowberry, bearberry, and
willow. The herd only
travels about 50 miles between its summer and winter feeding areas.
Breeding season starts in July and goes on
until the end of August. Each herd has a dominant male, or bull, who will try to
keep other bulls from mating with the females. The female will give birth to one
calf the following April through June. The calf can graze in about a week but
keeps suckling for another year. The lifespan of a musk ox is about 24
years.
Muskoxen coexisted with the mastodons and
mammoths and have survived early hunters and climate changes that caused the
extinction of other species. The musk ox doesn't have many predators. Polar
bears can sometimes kill weak or injured oxen. The Arctic wolf is the only
serious predator.
Musk ox form a defensive formation when
threatened. They will first run to a higher location, then turn and stand
shoulder-to-shoulder in a circle. With their heads lowered, they form an
impenetrable wall. The young are protected in the center of the circle. Musk
oxen stampede easily and sometimes young calves become separated from the herd
and are lost.
The musk ox's defense is useless against
bullets, and they became easy targets for humans. They were almost hunted to
extinction for their fur and their meat. By the early 20th century the
population had become depleted. In 1917 the Canadian government gave them
protection and now there are about 90,000 musk ox in that country.
More ominous as far as the decline of the
musk ox is concerned are the effects global warming has had on their breeding.
In the past few years, as a result of warmer climates, the coastal plains used
as calving grounds have had more snow, and as a result, a later thaw. Musk oxen
have moved to the foothills to find forage and often give birth there, making
them and their calves more vulnerable to grizzly bears.
The Inpiaq speaking Eskimos of the Northern
Slope of Alaska call the musk ox "Oomingmak", which means "animal with skin like
a beard".
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