Luis Quinta / Storm waves off the coast of Praia do Norte, Nazare, Portugal. January.
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Luis Quinta / Abstract image of large sea swells hitting the rocks, Portuguese southwestern coast, Portugal, March, 2010.
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Luis Quinta / Surfer riding a big wave, Praia do Norte, Nazare, Portugal, December 2014.
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Nick Upton / Sequence 3 / 4. Cleg fly / Horsefly (Haematopa pluvialis) excreting excess water as it swells up with blood sucked from photographer's arm, Wiltshire pastureland, UK, June.
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Philip Stephen / Silhouette of the fishing vessel Carisanne battling through heavy sea swells in the North Sea, May 2007
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Philip Stephen / Wave breaking over bow of fishing vessel Carisanne as she battles heavy sea swells in the North Sea, May 2007
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Harley Betts / Swells at high tide crash against sandstone cliffs, Tongaporutu, north Taranaki, New Zealand
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Norbert Wu / Swell Shark (Cephaloscyllium ventriosum) swells up as defense, California
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Norbert Wu / Porcupinefish (Diodon sp) swells up in defense, Philippines
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Norbert Wu / Swell Shark (Cephaloscyllium ventriosum) underwater, so named because it swells up as defense against predators, California
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Onne van der Wal / 12m yachts racing through the swells in the 2006 12 Metre North American Championships, Newport, Rhode Island, USA.
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Philip Stephen / MFV "Demares" dipped in the trough of a wave during moderate swells in the North Sea. November 2006.
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John Abbott / Composite image of flying insects visiting blacklight, Texas, USA, September
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John Abbott / Armyworm moth (Mythimna unipuncta) composite image Bastrop County, Texas, USA. Controlled conditions. March
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John Abbott / Black-dotted ruddy moth (Ilexia intractata) on white background, Tuscaloosa County, Alabama, USA October
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John Abbott / Black-dotted ruddy moth (Ilexia intractata), Tuscaloosa County, Alabama, USA October
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John Abbott / Black soldier fly (Hermetia illucens), Tuscaloosa County, Alabama, USA September
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John Abbott / Black soldier fly (Hermetia illucens) flying from flower, Tuscaloosa County, Alabama, USA Controlled conditions. September
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John Abbott / Black Saddlebags (Tramea lacerata) male in flight Lamar County, Texas, USA Controlled conditions. August
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John Abbott / Caddisfly (Hydropsychidae) in flight and attracted to mercury vapour light, Lamar County, Texas, USA, August. August
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John Abbott / Eastern Pipistrelle (Perimyotis subflavus) flying, San Saba County, Texas, USA. Controlled conditions. July
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John Abbott / Eastern Pipistrelle (Perimyotis subflavus) flying, San Saba County, Texas, USA. Controlled conditions. July
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John Abbott / Eastern pipistrelle (Perimyotis subflavus) flying, San Saba County, Texas, USA. Controlled conditions. July
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John Abbott / Eastern pipistrelle bat (Perimyotis subflavus) flying, San Saba County, Texas, USA. Controlled conditions. July