B. Sendova-Franks, Ana R. Franks, Nigel Worley, Alan Video 3 from Plant–animal worms round themselves up in circular mills on the beach Video of twin circular mill number 3 up the beach from boulder H (figures 2<i>c</i>) at 2 x normal speed. circular mills;collective motion;collective behaviour 2018-07-10
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10.6084/m9.figshare.6798986.v1