Caption:
Low angle view of a conservationist looking at a stem of Hemlock water dropwort Oenanthe crocata, cut by a Water vole Arvicola amphibius, at a tell-tale 45 degree angle and left on a lake bank, found during a survey for signs of Water vole activity. This plant is highly toxic to humans but is regularly eaten by Water voles. Near Bude, Cornwall, UK, April
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