Northern Saw-whet Owl Banding (Ulster County) - November 5, 2016
Sponsored by Sullivan County Audubon Society
Banders: Valerie Freer, Lance Verderame. Other hosts: Mary Collier, Rick Bunting.

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Ultraviolet light causes a pigment in the wing feathers to fluoresce, helping the bander to determine the age of the bird. Photo by Rebecca Loomis
Ultraviolet light causes a pigment in the wing feathers to fluoresce, helping the bander to  determine the age of the bird.  Photo by Rebecca Loomis