Jerry Monkman / A man climbs "Top of the Prow" rock on Cathedral Ledge. Echo Lake State Park, White Mountains, in North Conway, New Hampshire, USA. October 2009, Model released
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Jerry Monkman / A man climbs "Top of the Prow" rock on Cathedral Ledge. Echo Lake State Park, White Mountains, in North Conway, New Hampshire, USA. October 2009, Model released
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Jerry Monkman / A man rock climbing near the top of Cathedral Ledge. Echo Lake State Park, White Mountains, in North Conway, New Hampshire, USA. October 2009, Model released
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Marie Read / American Cliff Swallows (Petrochelidon pyrrhonota) flock visiting muddy puddle to gather mud as nesting material. Mono Lake Basin, California, USA, June.
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Marie Read / American Cliff Swallows (Petrochelidon pyrrhonota) forced copulation attempt at muddy puddle where they are gathering mud as nesting material. Mono Lake Basin, California, USA, June.
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Marie Read / American Cliff Swallows (Petrochelidon pyrrhonota) forced copulation (attempt at muddy puddle where they are gathering mud as nesting material. Mono Lake Basin, California, USA, June.
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Marie Read / American Cliff Swallows (Petrochelidon pyrrhonota) forced copulation attempt at muddy puddle where they are gathering mud as nesting material. Mono Lake Basin, California, USA, June.
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Marie Read / American Cliff Swallow (Petrochelidon pyrrhonota) fluttering its wings while it gathers mud in its bill to use as nesting material. Mono Lake Basin, California, USA, June.
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Marie Read / American Cliff Swallow (Petrochelidon pyrrhonota) fluttering its wings while it gathers mud in its bill to use as nesting material. Mono Lake Basin, California, USA, June.
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Marie Read / American Cliff Swallow (Petrochelidon pyrrhonota) fluttering its wings while it gathers mud in its bill to use as nesting material. Mono Lake Basin, California, USA, June.
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Marie Read / American Cliff Swallow (Petrochelidon pyrrhonota) in flight. Mono Lake Basin, California, USA, June.
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Jim Brandenburg / Aurora borealis over lake shore, Lake Superior, Minnesota