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DNA analysis of penguin poo has been used by scientists to work out what endangered hoiho are eating.
It found their diet is mostly blue cod, which is causing concern.
Dr Ludovic Dutoit is a Research Fellow at the University of Otago.
Listen
DNA analysis of penguin poo has been used by scientists to work out what endangered hoiho are eating.
It found their diet is mostly blue cod, which is causing concern.
Dr Ludovic Dutoit is a Research Fellow at the University of Otago.