60.2 MB (2.1 MB compressed)
5616 x 3744 pixels
47.5 x 31.8 cm ⏐ 18.7 x 12.5 in (300dpi)
DR KEITH WHEELER / SCIENCE PHOTO LIBRARY DR KEITH WHEELER / SCIENCE PHOTO LIBRARY
Slugs mating. Two great black slugs (Arion ater) licking each other's slime. This is a courtship ritual. Slugs are hermaphrodites and sexual reproduction involves the mutual exchange of sperm. Slugs mate in the spring and autumn.
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