A dead porpoise has washed up on a popular beach ... In 2016, gig rowers in Newlyn Harbour in Cornwall witnessed a dolphin flip a porpoise in the air in a deadly attack. Follow BBC Tees on ...

Bycatch (wildlife that is accidentally captured in nets) is the number one threat to harbour porpoises, leading to an average of three being killed each day in the UK. Nearly 20 per cent of those ...