Steve Downer / Close up of a Black slug (Arion ater agg.) showing red colour variation feeding on a Plantain lily (Hosta) leaf, Birmingham, England, UK, August.
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Steve Downer / Two Black slugs (Arion ater agg.), showing black and red colour variations, Birmingham, England, UK, August.
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Steve Downer / Close up of the foot of a European black slug (Arion ater), red colour variation, leaves a slime trail. Controlled conditions.
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Steve Downer / European black slug (Arion ater), red colour variation. Controlled conditions.
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Steve Downer / Close up of a European black slug (Arion ater), red colour variation. Controlled conditions.
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Alex Hyde / Red slugs (Arion rufus) mating. Derbyshire, UK, September.
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Fabrice Cahez / Red slug (Arion rufus) Vosges, France, September.
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Laurent Geslin / Red slug (Arion rufus) in urban environment, Grenoble, France, September.
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Rod Williams / European Red slug (Arion rufus) London, UK September
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Natalie Clements / Large Red Slug (Arion rufus) crawling across garden path, Cardiff, Wales, UK, August.
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Natalie Clements / Tracking shot of Large Red Slug (Arion rufus) feeding on leaf, Cardiff, Wales, UK, August.
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Konrad Wothe / Red slug (Arion rufus) resting, portrait, France. August.
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Konrad Wothe / Red slug (Arion rufus) moving over moss, France. August.
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Nick Upton / Large Red slug (Arion rufus) crawling over soil in a flowerpot at night, Wiltshire, UK, October.
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Nick Upton / Millipede (Leptoiulus sp.) feeding on the mucus of a Garden snail (Cornu aspersum) in a flowerpot at night, Wiltshire, UK, October.
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Nick Upton / Large Red slug (Arion rufus), orange form, fully retracted against a white background, Wiltshire, UK, October.
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Nick Upton / Large Red slug (Arion rufus), orange form fully retracted on a log in a garden at night, Wiltshire, UK, October.
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Nick Upton / Large Red slug (Arion rufus) crawling over a garden patio at night, Wiltshire, UK, October.
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Nick Upton / Large Red slug (Arion rufus) crawling over a garden patio at night, Wiltshire, UK, October.
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Andy Sands / Red slug (Arion rufus) pair mating amongst leaf litter. Buckinghamshire, England, UK. October. Focus stacked image.