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Threatened Oregon Silverspot Butterfly


An Oregon native butterfly has been federally listed as a threatened species for 30 years. For decades, scientists have worked to augment the wild population with captive-reared butterflies, but the needle has hardly moved. Can a new emphasis on prairie restoration help?

Butterfly Endangered

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Oregon Silverspot Butterfly, Lloyd Brothers of Mount Adams, Bog Lily and Winter Dawn at Hosmer Lake (2910)

Oregon Field Guide: Episode #2910
Most Recent Broadcast: February 8, 2018