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RD-151215030
Two immature Harris Hawks (Parabuteo unicinctus) perched on a tree branch with blue sky in the Sonoran Desert of Tucson (Arizona)
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RD-151215020
Two Harris Hawks (Parabuteo unicinctus), one immature and one adult, perched on a tree branch with blue sky in the Sonoran Desert…
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RD-151215017
Two Harris Hawks (Parabuteo unicinctus), one immature and one adult, perched on a tree branch with blue sky in the Sonoran Desert…
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RD-151215016
Two Harris Hawks (Parabuteo unicinctus), one immature and one adult, perched on a tree branch with blue sky in the Sonoran Desert…
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RD-151215015
Two Harris Hawks (Parabuteo unicinctus), one immature and one adult, perched on a tree branch with blue sky in the Sonoran Desert…
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RD-151215011
Two Harris Hawks (Parabuteo unicinctus), one immature and one adult, perched on a tree branch with wings spread against a blue sk…
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RD-151215007
A Harris Hawk (Parabuteo unicinctus) adult in flight above a tree branch, hunting in the Sonoran Desert of Tucson in winter (Arizo…
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RD-151215004
A Harris Hawk (Parabuteo unicinctus) adult in flight in front of a second adult perched on a dead tree branch, hunting in the Sono…
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RD-150609058
Brown-crested Flycatchers (Myiarchus tyrannulus) in flight bringing food to newly hatched chicks in a nest in a Saguaro cactus (Ar…