The American Bison

In Glogpedia

by tkell195
Last updated 5 years ago

Discipline:
Science
Subject:
Zoology
Grade:
6

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The American Bison

The American Bison

Created by Tristan Kelly

I may weigh a lot, but that ain't mean I'm slow! In fact, I can run up to speeds of 40 miles an hour.

Bison have very poor eyesight and can get a facefly disease. The flies can infect the eyes and make the bison almost blind. However they have a very good sense of smell and hearing to help them to know when predators such as wolves and humans are around.

AdaptationsThe American Bison eats grasses, herbs, shrubs and twigs. They regurgitate food and chew it as cud before final digestion. This is because they're herbivores like all cattle and don't have incisor teeth. Regurgitating the food helps them to process the grasses. They also move continuously as they eat.

Physical DescriptionBison are very large and heavy animals, their tail alone is 50 to 60cm long, while their head and body are 2.1 to 3.5 meters long. Males weigh up to 818kg while females weigh up to 545kg.Bison can live for 18-22 years in the wild and over 30 years in captivity.

ReproductionFemale and male Bison live separately but come together as a large herd during the summer, which is their mating season. Then the males battle for mating superiority. Females then give birth after a nine month pregnancy.

PredatorsWolves hunt Bison for food and is a dangerous predator, but the Bison's biggest threat is humans. In the 1880's, the white man wanted to get rid of all the natives in America. They discovered that the natives hunted bisons and used every single part of its body for some use. They thought that if they killed the American Bison then the natives wouldn't be able to survive. They almost made the American Bison extinct, and it had no effect on the natives.

In the photo above, the men are standing on top of hundreds of Bison skulls.

Note that you can see the full picture by clicking on it.

HabitatBison live in the North American Grasslands. Mostly extinct throughout their historic habitat, they're now kept in national parks.Location: Stretches through the middle of North America from North to South.

ClimateTemperature: Summer- over 38deg CWinter- below -40deg CRainfall:254-890mm mostly in Spring and early Summer.The climate is influenced by the sheltering effect of the Rocky Mountains and being far from the oceans.There are often strong winds over the grasslands.

This means that I don't have to move to a warmer a climate during winter.

The hump on the bison's back consists of muscle and bone used to support its head. Their thick coat protects them from snow, and they can also use their heads to dig through snow and reach vegeation below.

"But a whole pack can!"

"One wolf can't do much."


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