How The Removal Of A 'Nuisance' Predator Wreaked Havoc On Yellowstone National Park's Ecosystem
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In the 1800's the Rocky Mountain West area of the USA that now includes Yellowstone National Park, was teeming with gray wolves. However they were considered nuisance predators who killed livestock and therefore, actively hunted down. By the time the National Park was established in 1827, the number of gray wolves had diminished substantially, a trend that continued thanks to a government predator control program that ensured that by 1926, there were none left.
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wolfy_blue5년 이상wolves r amazing my fav and it is my spirit animal :)
slothicorny5년 이상That was so awesome- slothicorny5년 이상WOW how did they change the river
glowinq_stxrs5년 이상Wolves are my most favorite animals out of all!!
cookielover12345년 이상Wolves are vicious....... That's why I love them I want to be a wolf.
azzyland6년 이하good to know they restored balance
briel5년 이상yup
superwolfy6년 이하i love wolves and my spirit animal is a wolf and its my favorite too- superwolfy6년 이하i love wolves so much
- superwolfy6년 이하cute
ducklover2년 이상Wolves are so cute!
- Wolves lover약 6년I love wolves they are my spirit animal and they are my favorite animal,.
twilight4ever약 6년My spirit animal is a wolf :}