Diane McAllister / Male Anna's hummingbird (Calypte anna) hovers in mid-air looking at the camera in a backyard in Reno. Nevada, USA, August
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Floris van Breugel / Anna's Hummingbird (Calypte anna) stretching, Mount Diablo State Park, California, USA, March
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Tom Vezo / Anna's Hummingbird (Calypte anna) feeding on flower nectar, Santa Rita Mountains, Arizona
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Diane McAllister / Anna's hummingbird (Calypte anna) chicks about to fledge, in their nest in juniper tree in southwest Reno. Nevada, USA, July
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David Tipling / Anna's hummingbird (Calypte anna) perched on flower head, San Diego, California, USA, April
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Mary McDonald / Anna's hummingbird {Calypte anna} in flight, southern Arizona, USA.
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Mary McDonald / Anna's hummingbird {Calypte anna} in flight, southern Arizona, USA.
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Shattil & Rozinski / Close up of irridescent gorget feathers of Anna's hummingbird {Calypte anna} USA
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Konrad Wothe / Anna's Hummingbird (Calypte anna) male getting nectar from flower stalk, Arizona
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Rolf Nussbaumer / Anna's Hummingbird {Calypte anna} female in flight feeding on flower, Tuscon, Arizona, USA
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Rolf Nussbaumer / Anna's Hummingbird {Calypte anna} male in flight feeding on Yellow Trumpet Flower (Tecoma stans) Tuscon, Arizona, USA
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Rolf Nussbaumer / Female Anna's Hummingbird (Calypte anna) feeding on Sage (Salvia sp.) Miller Canyon, Arizona, USA. August 2004
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Rolf Nussbaumer / Female Anna's Hummingbird (Calypte anna) feeding on Mexican Honeysuckle (Justicia spicigera) Miller Canyon, Arizona, USA. August 2004
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Shattil & Rozinski / Anna's hummingbird {Calypte anna} female on nest made of thread and other materials, Arizona, USA
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Shattil & Rozinski / Anna's hummingbird {Calypte anna} eggs in nest with Domestic chicken egg for size comparison, USA
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Tom Vezo / Female Anna's Hummingbird {Calypte anna} at nest, California, USA
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Rolf Nussbaumer / Anna's hummingbird {Calypte anna} female at Thistle, Chiricahua Mountains, Arizona, USA
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Rolf Nussbaumer / Anna's hummingbird {Calypte anna} Female at Penstemon flower, Chiricahua Mountains, Arizona, USA
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Konrad Wothe / Anna's Hummingbird (Calypte anna) male collecting nectar from flower, Arizona
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ZSSD / Anna's Hummingbird (Calypte anna) adult female perching on leaf, native to North America
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John Cancalosi / Anna's hummingbird on nest on fircone {Calypte anna} Sonoran desert, Arizona, USA
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Tom Vezo / Female Anna Hummingbird {Calypte anna} sitting on nest, California, USA
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John Cancalosi / Anna's hummingbird (Calypte anna) at nest with chicks. Sonoran desert, Arizona, USA
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John Cancalosi / Anna's hummingbird (Calypte anna) at nest with chicks. Sonoran desert, Arizona, USA
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John Cancalosi / Anna's hummingbird (Calypte anna) feeding chicks at nest. Sonoroan desert, Arizona, USA
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Tom Vezo / Anna's Hummingbird (Calypte anna) male at feeder, North America
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Barry Mansell / Anna's Hummingbird (Calypte anna) Male flapping wings, Arizona, USA
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Tom Vezo / Annas hummingbird female on nest {Calypte anna} California USA Bolsa Chica reserve
