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30.1 MB (1.3 MB compressed)
3615 x 2915 pixels
30.7 x 24.6 cm ⏐ 12.1 x 9.7 in (300dpi)
SINCLAIR STAMMERS / SCIENCE PHOTO LIBRARY SINCLAIR STAMMERS / SCIENCE PHOTO LIBRARY
Duck leech (Theromyzon tessulatum) carrying its brood of juvenile leeches. This is an example of maternal behaviour, where up to 200 young leeches stay attached to the parent leech, absorbing nutrients through the ventral surface. This leech was found in a pond in Newcastle Emlyn, Wales, UK.
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