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Nature 406, 840 (24 August 2000) | doi:10.1038/35022691
Behavioural ecology: Eat me!
John Whitfield
The parasitic fluke Microphallus piriformes has a problem. To complete its life cycle it needs to travel between two hosts: the rough periwinkle (Littorina saxatilis, pictured, a seashore mollusc) and the herring gull.
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