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25 February 2014
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© M. Lammertink |
Jeff Walters, Walt Koenig and Eric Walters
From left to right Jeff Walters (Virginia Tech), Walt Koenig (Cornell Lab of Ornithology) and Eric Walters
(Old Dominion University), researchers of the cooperative breeders Red-cockaded Woodpecker
(Picoides borealis) and Acorn Woodpecker (Melanerpes formicivorus).
Izki Natural Park, Álava, Spain
Canon 50D, Canon 3.5-5.6/18-55 mm