Marie Read / Black-necked stilts (Himantopus mexicanus) pair performing post-copulatory display (as copulation ends, the male slides off the female leaving his wings draped over her and crossing his bill with hers...
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Marie Read / American avocets (Recurvirostra americana) two during aggressive (territorial) encounter, Bear River Migratory Bird Refuge, Utah, USA, May.
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Ingo Arndt / Migratory Locust (Locusta migratoria) swarm being harvested for food by two men using a sheet, Isalo National Park, Madagascar
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Ingo Arndt / Migratory Locust (Locusta migratoria) swarm flying, Isalo National Park, Madagascar
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Ingo Arndt / Migratory Locust (Locusta migratoria capito) swarm flying, near Isalo National Park, Madagascar
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Ingo Arndt / Migratory Locust (Locusta migratoria) swarm flying, near Isalo National Park, Madagascar
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Shattil & Rozinski,Shattil & Rozinski / Mule deer (Odocoileus hemionus), with the Denver skyline and Rocky Mountains in the background, Denver, Colorado, USA, November.
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Denis-Huot,Denis-Huot / Lesser flamingo (Phoeniconaias minor) aerial view of flock and geyser, Bogoria Game Reserve, Kenya
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Denis-Huot,Denis-Huot / Lesser flamingo (Phoeniconaias minor) males in display, Lake Nakuru, Kenya
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Cyril Ruoso / Barn Swallow (Hirundo rustica) migratory flock of forty birds perching on telephone wire, Poitou, France
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Cyril Ruoso / Barn Swallow (Hirundo rustica) migratory flock perching on telephone wires along road, Poitou, France
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Inaki Relanzon / Locust plague (Locusta migratoria capito) threatens crops in south Madagascar, June 2010