Evidence for infanticide in bottlenose dolphins: an explanation for violent interactions with harbour porpoises?

Patterson, I. A. P.; Reid, R. J.; Wilson, B.; Grellier, K.; Ross, H. M.; Thompson, P. M.
Proceedings of the Royal Society B: Biological Sciences (1998)

Most harbour porpoises found dead on the north–east coast of Scotland show signs of attack by sympatric bottlenose dolphins, but the reason(s) for these violent interactions remains unclear. Post–mortem examinations…