They also travel in smaller groups than resident orcas and predominantly hunt larger animals, such as seals and other whale species ... of the killer whale family tree," according to the statement.

The Department of Fisheries and Oceans has awarded Saint Mary’s University a contract to update the DNA database of one of the most critically endangered species in Canadian waters.

The sperm whale is the largest toothed predator on the planet and the master of the open ocean. The aim of the Blue Planet II team was to capture an intimate family portrait of sperm whales ...