Tocantins News

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• Rare Blue Mutation in Wild Yellow-Chevroned Parakeet Alarms Experts After Tocantins Discovery

  Published: Apr 23, 2026

  Section: Environment

  A yellow-chevroned parakeet exhibiting "cyanism," an extremely rare genetic mutation that turns naturally green plumage blue, was discovered in Tocantins, Brazil, on April 23, 2026...