Willem Kolvoort / Semi aquatic beetles {Macroplea appendiculata} and Rotifer colonies on Shining Pondweed, Sand-winning pit, Holland
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Willem Kolvoort / Semi-aquatic beetles (Macroplea appendiculata) on Shining pondweed (Potamogeton lucens) with Rotifer colonies (Sinantherina), sand-winning pit, Holland
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RICHARD KIRBY / Semi submerged Spectacled caiman (Caiman crocodilus) Venezuela Llanos, South America
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Willem Kolvoort / Swan Mussel (Anodonta cygnaea) with semi-aquatic Weevil. Lake Naarden, Holland. Mussel is filtering water to feed on plankton.
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Igor Shpilenok / Two Desmans {Desmana moschata} swimming next to reeds, Bryansky Les Zapovednik, Russia.
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Igor Shpilenok / Desman {Desmana moschata} at den entrance, Bryansky Les Zapovednik, Russia.
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Igor Shpilenok / Desman {Desmana moschata} swimming next to reeds, Bryansky Les Zapovednik, Russia.
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Igor Shpilenok / Desman {Desmana moschata} resting on fallen branch, Bryansky Les Zapovednik, Russia.
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Igor Shpilenok / Desman {Desmana moschata} swimming next to reeds, Bryansky Les Zapovednik, Russia.
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Igor Shpilenok / Two Desmans {Desmana moschata} meet in water, Bryansky Les Zapovednik, Russia.
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Igor Shpilenok / Desman {Desmana moschata} swimming amongst pondweed, Bryansky Les Zapovednik, Russia.
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Igor Shpilenok / Two Desmans {Desmana moschata} fighting in water, Bryansky Les Zapovednik, Russia.
