List of University of Pennsylvania people
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Mountain chickadee
List of birds of Kansas
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List of birds of Canada
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Desolation Wilderness
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Junipero Serra Peak
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Ecology of the Sierra Nevada
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John Day Fossil Beds National Monument
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List of birds of Oklahoma
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City of Rocks National Reserve
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Tehachapi Mountains
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William Gambel
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Three Fingered Jack
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Violet-green swallow
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Mount Mazama
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Black-capped chickadee
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Mount Jefferson (Oregon)
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Chaos Crags
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Lassen Peak
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Lassen Volcanic National Park
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Rocky Mountain National Park
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Tit (bird)
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Banff National Park
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Pseudotsuga menziesii var. glauca
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California
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Poecile gambeli
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