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6 June 2009
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© M. Lammertink |
growl call
Black-backed Woodpecker (Picoides arcticus)
male giving growl call after presence of American Red Squirrel (Tamiasciurus hudsonicus) near nest
Adirondacks Park, N.Y., U.S.A.
Canon 400D, Canon 4/500 mm +1.4x, tripod