Willem Kolvoort / Silhouette of immature European edible frog (Rana esculenta) on top of waterlily leaf, tail stump still visible, garden pond, Holland
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Willem Kolvoort / Common frogs (Rana temporaria) mating out of water, Holland
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Willem Kolvoort / Common carp (Cyprinus carpio) amongst the roots of trees along lake shore, the Netherlands, March.
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Willem Kolvoort / Common carp (Cyprinus carpio) dead in a lake, the Netherlands, April.
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Willem Kolvoort / Common carp (Cyprinus carpio) amongst the roots of trees along lake shore, the Netherlands, March
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Willem Kolvoort / Carp food (including sweetcorn) accumulated on bed of fishing lake because of overfeeding , the Netherlands, April.
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Willem Kolvoort / Common carp (Cyprinus carpio) amongst the roots of trees along lake shore, the Netherlands, March
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Willem Kolvoort / Common carp (Cyprinus carpio) amongst the roots of trees along lake shore, the Netherlands, March
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Willem Kolvoort / Common carp (Cyprinus carpio) amongst the roots of trees along lake shore, the Netherlands, April
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Willem Kolvoort / Common carp (Cyprinus carpio) in lake, the Netherlands, July.
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Willem Kolvoort / Common bream (Abramis brama) in lake, the Netherlands, August.
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Willem Kolvoort / Common bream (Abramis brama) in lake, the Netherlands, August.