Larry Michael / Autumn colours reflected in river water, Ontonagon River, flows into Lake Superior. Michigan, USA.
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Shattil & Rozinski / Heavy snow on branch, Colorado, USA, December
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Shattil & Rozinski / Frozen ice at waterfall, Colorado, USA, December
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Shattil & Rozinski / Frost and snow flakes on feather, Colorado, USA
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Shattil & Rozinski / Heavy snow on branch, Colorado, USA, December
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Shattil & Rozinski / Ice formed round plant twigs, Colorado, USA
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Shattil & Rozinski / Water frozen into icicles over river, Colorado, USA
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John Cancalosi / Rubber Boa (Charina bottae) coiled within itself, Oregon, USA, captive
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John Cancalosi / Details of Bald-faced Hornet's nest (Dolichovespula maculata) Oregon, USA
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John Cancalosi / Details of Bald-faced Hornet's nest (Dolichovespula maculata) Oregon, USA
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John Cancalosi / Details of Bald-faced Hornet's nest (Dolichovespula maculata) Oregon, USA
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Jack Dykinga / Twisted roots of Bristlecone pine {Pinus aristata var. longaeva} cling to cliff edge at Rainbow Point, Bryce Canyon National Park, Utah, USA
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John Cancalosi / Close up of ice on branch, NY, USA
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Juergen Freund / Red skies after sunset over the Pacific Ocean from Vancover Island, British Columbia, Canada.
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Tom Vezo / Silhouette of duck on water at sunset, Salton Sea, California, USA
