Konrad Wothe / Slow motion clip of Mayflies (Ephemeroptera) swarming, Bavaria, Germany, May.
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John Waters / Slow motion clip of a Mallard (Anas platyrhynchos) duckling chasing and catching Mayfly (Ephemeroptera) emerging from River Kennet, Hungerford, Berkshire, England, UK, June.
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John Waters / Slow motion clip of a Brown trout (Salmo trutta) breaching to predate an adult Mayfly (Ephemoptera) emerged on the surface, River Kennet, Hungerford, Berkshire, England, UK, June.
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John Waters / Slow motion clip of a Brown trout (Salmo trutta) predating an adult Mayfly (Ephemoptera) struggling to take off from water, River Kennet, Hungerford, Berkshire, England, UK, June.
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John Waters / Adult Mayflies (Ephemoptera) in flight, River Kennet, Berkshire, Hungerford, Berkshire, England, UK, June.
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Lucas Bustamante / Mosquito (Culicidae) feeding on the back of an Equatorial anole (Anolis aequatorialis) Mindo, Pichincha, Ecuador.
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Phil Savoie / Pink lady mayfly (Epeorus albertae) close up of eye of male, Madison River, Montana, USA, August.
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Floris van Breugel / Alkali fly (Ephydra hians) underwater in protective air bubble, Mono Lake, California, USA.
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Theo Bosboom / Common blue damselfly (Enallagma cyathigerum) covered in dew in morning and unable to fly, Hondenven, Tubbergen, the Netherlands, August.
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Theo Bosboom / Common blue damselflies (Enallagma cyathigerum) group reflected in water, flying and perching on reeds - they sit on stems and fly around the water, looking for prey and females to mate. The stems ar...
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Paul Bertner / Moth (Macrocilix maia), with false fly spots, Danum Valley Conservation Area, Sabah, Borneo, Malaysia
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Paul Bertner / Fly with compound eyes, Khao Yai National Park, Thailand