In this Friday, July 10, 2015 photo, a Karner Blue butterfly rests on the finger of Neil Gifford, conservation director at the Albany Pine Bush Preserve Commission, after it was released at the preserve in Albany, N.Y. Wildlife officials announced Thursday, July 20, 2017, that the butterfly on the federal endangered species list is doing well in the sandy pine barrens west of Albany. The butterfly is also making a comeback through recovery efforts in Ohio and New Hampshire. (AP Photo/Mike Groll, File)
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