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Small populations of Black footed ferrets have been found since they were initially declared extinct.

Initial thoughts for dramatic population losses were the eradication of prairie dogs and incidental killing of black footed ferrets along with them and exposure

to canine distemper.

Access to the newly discovered black footed ferret colonies is heavily restricted to prevent exposure to outside disease sources.

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11y ago
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Q: When and why did black footed ferrets become extincted?
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