TIMELINE
| Year: | Event: |
| 1800s | Settlers begin to plough the grasslands for farms and poison prairie dogs |
| 1937 | Black-footed ferrets are extirpated in the grasslands in Canada |
| 1967 | Black-footed ferrets are endangered in United States |
| 1985 | Captive breeding program starts in Wyoming |
| 1987 | All black-footed ferrets are taken from the wild and put in places |
| 1988 | Black-footed Ferret Recovery Plan begins in the United States to breed ferrets and release them back into the wild |
| 2007 | Over 600 black-footed ferrets live in the wild in the United States |
| 2009 | Up to 50 black-footed ferrets will be released into Saskatchewan's Grasslands National Park in the fall. |
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This is a photo of a ferret.
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This is a drawing of a ferret. |