The Eastern Puma has been officially declared extinct. : r/Cryptozoology
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Eastern Puma declared officially extinct
Eastern cougar - Wikipedia
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U.S. authorities declare Eastern puma extinct, 80 years after last sighting
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Eastern puma extinct, not endangered: wildlife authorities | news.com.au — Australia's leading news site
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In a tragic wildlife development, the majestic Eastern Puma has been officially declared extinct by U.S Fish and Wildlife Service … | Пумы, Дикие животные, Животные
Puma That Vanished from U.S. East Coast 80 Years Ago Sadly Declared Extinct