Does the fear of giant feral pigs keep you up at night? As if people don't have enough to worry
about! This two-part series will first
explain what feral pigs are, and then get into some of the stories (both myths and
factual) about giant feral pigs.
What is a feral pig?
Wild boar, razorback, wild hog – these are all aliases for
feral pigs, which look quite similar to their domestic counterparts. Sows (females) weigh an average of 110 pounds,
but can range from 75-to-330; boars (males) weigh an average of 130 pounds, but
can weigh as much as 440. Some unusually
large specimens have been measured to be up to three feet tall, six feet in
length, and 500 pounds.
The main physical differences between feral and domestic
pigs are:
- Tail – wild pigs have
straight tails; domestic pigs usually have curly tails
- Feet – similar to deer
hooves, making distinguishing tracks challenging to novices
- Tusks – feral pigs have
sharp tusks that don't stop growing
Feral pigs are native to Eurasia. They were introduced to the U.S. in the
1500s when they were released as a food source.
In theory, it was a sensible idea – a walking food source that virtually
took care of itself. However, the pigs
became overpopulated and began to damage native plants and crops.
Oh Give Me a Home…
Feral pigs are wild and are certainly not pets, but they do
claim a territory. Most call about 10
square miles home, but if food is scarce, they have been known to range over
larger distances of up to 50 miles. Their
capability to travel at speeds of up to 30 miles per hour makes covering their
territory relatively easy.
Because of their relatively poor eyesight, feral pigs rely
on scent to find their food, mostly roots and small animals. Smaller feral pigs feed on roots, berries,
and mice; larger ones have been known to eat lambs, calves, and other small
livestock.
Feral Pig Sightings
Where are feral pigs located? In the U.S., they have been found in quite
a few places. According to the
Department of Natural Resources of the State of Wisconsin, feral pigs are known to be
located in the states on the map to the right.
Read Part 2 of this series to learn about some giant pigs!
Resources:
http://www.dnr.state.wi.us/org/land/wildlife/publ/wlnotebook/pig.htm
http://www.invasivespeciesinfo.gov/animals/wildboar.shtml
http://cr4.globalspec.com/blogentry/9040/Aliens-Focus-of-International-Day-for-Biological-Diversity
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