A juvenile Great horned Owl learns to fly over Belvedere, Calif., on July 14, 2016.
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A juvenile Great horned Owl rests in a Blue Gum Eucalyptus tree in Belvedere, Calif., on July 14, 2016.
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A juvenile Great Horned Owl in Belvedere, Calif., on July 14, 2016.
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A juvenile Great horned Owl sleeps in a Monterey Pine tree in Belvedere, Calif., on July 14, 2016.
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A juvenile Great horned Owl in Belvedere, Calif., on July 14, 2016.
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A juvenile Great Horned Owl prepares to lift off the ground in Belvedere, Calif., on July 14, 2016.
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A male widgeon duck on Corte Madera pond, March 26, 2016.
From Nature CARDS
A male Downy Woodpecker in Corte Madera, Calif., on March 24, 2016
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A Scrubjay with an acorn in Paradise Park, Tiburon, Calif. on December 28, 2013
An American Robin eats berries from a bush in Corte Madera, Calif., on January 3, 2016.
Red-winged blackbird, male calling on June 15, 2014 in Volunteer Canyon, ACR.
Redtail Hawk sceeches midflight over empty hay fields in the early evening on the edge of San Pablo Bay off Hwy 37 .
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Red Shouldered Hawk in Tiburon, Calif.,on Monday, May 18, 2015.
A Brown Pelican flies over Belvedere, Calif., on Saturday, January 10, 2015.
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Northern Spotted Owl in Baltimore Canyon, in the area of the "Silver Forest," in Larkspur, Calif. on Sunday, September 9, 2013. (Jocelyn Knight Photo)
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A Marsh Wren on the Las Galinas Ponds in San Rafael, Calif., on January 24, 2016
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GreatWhite Heron flies over Corte Madera Creek on July 25, 2010. (Jocelyn Knight Photo)
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Great Egret (non-breeding) lifts off from a marsh on the edge of the Bay, May 2011.
An adult Bald Eagle soars over the cliffs near Newport, Oregon, on June 17, 2016.(Jocelyn Knight Photo)
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A juvenile bald eagle over Bolinas Lagoon on March 26, 2016.
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A juvenile Bald Eagle soars over the Bolinas Lagoon on Wednesday, February 24, 2016
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A Chickadee in a pine tree, Corte Madera, Calif., on September 4, 2015.
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Belted Kingfisher flying over Corte Madera Slough on Sept 24, 2014.
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An Allen's hummibird at the Tescutta Wildlife Preserve in Oregon, on June 16, 2016
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Anna's Hummingbird in Blackie's Pasture garden on September 30, 2015
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An adult Bald Eagle is chased by a Seagull over the cliffs near Newport, Oregon, on June 17, 2016.(Jocelyn Knight Photo)
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Stellar Jay in Yosemite, Calif., April 2016
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From Yosemite Valley April 2016
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A male wild turkey fluffs up his feathers in Corte Madera, Calif., on Sunday, April 3, 2016.
From Wild Turkeys
A wild turkey does his mating call in Corte Madera, Calif., on Sunday, April 3, 2016.