Gulls were presented with all four foods together on days 5, 10, 15 and 35 of the study (IMAGE)

University of Exeter

Gulls were presented with all four foods together on days 5, 10, 15 and 35 of the study

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When presented with all four foods together on days 5, 10, 15 and 35 of the study, both groups consistently favoured fish. 

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Emma Inzani

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