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What is Diet Overlap in Porpoises and Dolphins about?

The study investigates dietary overlap between harbour porpoises and bottlenose dolphins in the Bay of Biscay, suggesting potential interference competition for food. While both species share some prey types, overall dietary indices indicate weak overlap, with harbour porpoises primarily consuming small schooling fish and bottlenose dolphins favoring larger demersal fish and cephalopods. The findings imply that competition may occur at the level of specific prey schools exploited by both predators.

Author

yannrousseau973

Language

EN