Arion ater, Great Black Slugs, individuals of differing colours mating, Wales, UK.


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Photo credit: © keith burdett / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: arion, ater, black, britain, british, brown, color, colour, mating, mollusc, molluscs, nature, reproduction, sexual, slug, slugs, uk, variation, wildlife