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Wolf Adaptations

Impact of Wolves on the Environment

Wolves Ecosystem

Without wolves and other large predators, ecosystems can go haywire.Wolf kills feed more animals than hunting by humans, since wolves scatter their carrion over the landscape. Wolf kills benefit three times more species than human hunting kills.

Wolves play a key role in their environment in what is known as the Cascade effect, the presence of wolves benefits a multitude of species.

Bibliography

http://www.motherjones.com/slideshows/2011/04/wolves-protect-climate-change/staring-wolf

http://www.defenders.org/gray-wolf/basic-facts

http://www.nature.org/newsfeatures/specialfeatures/animals/mammals/gray-wolf.xml

http://www.wolfcountry.net/information/WolfObserved.html

Origins of Wolves

The Evolutionary history of the wolf is not totally clear, but many biologists believe that the wolf developed from primitive carnivores known as Miacids. Miacids ranged from gopher-sized to dog-sized animals, and appeared in the Lower Tertiary about fifty two million years ago. Miacids in turn had evolved from Cretaceous insectivores.

Wolves on the Food Chain

Wolves are carnivores. They eat animals like moose, caribou, and other deer-like animals. When food is scarce, they will eat rodents. They also scavenge. A wolf can eat 22 pounds of meat at one meal. The predatory success of wolves is mainly due to the flexibility of their hunting methods. They will flush out their prey, stalk it, or use trickery.

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