Rookie Michael Ma leaves Conservative party for ‘steady, practical approach’ of Mark Carney’s government

Canada’s ruling Liberals have edged closer to a majority government after a Conservative lawmaker crossed the floor, in yet another blow to the struggling Tories.

Rookie lawmaker Michael Ma said late on Thursday that he had decided to leave the Conservative party, for “the steady, practical approach” of prime minister Mark Carney’s government, which he said would “deliver on the priorities I hear every day, including affordability and the economy”.

Northern resident killer whales appear to use dolphins as ‘scouts’, in a surprising cooperative hunting strategy

Orcas and dolphins have been spotted for the first time working as a team to hunt salmon off the coast of British Columbia, according to a new study which suggests a cooperative relationship between the two predators.

The research, published on Thursday in the journal Scientific Reports, shows interactions between northern resident orcas (also known as killer whales) and Pacific white-sided dolphins are not just chance encounters while foraging.