Spinner dolphins, famous for their acrobatic marina displays, have some very special excrement. Their poo has “reef-enhancing nutrients” which are not to be underestimated, a report by Zoological Society London (ZSL) finds.

The dolphins are giving threatened coral reefs in the Maldives and Chagos Archipelago a helping hand by pooing in the shallow lagoons. A new study shows that the amount of nitrogen and excreted by spinner dolphins during their daily commute can improve coral reef productivity and resilience.

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