The last time a sperm whale was confirmed on Vancouver Island's eastern coast was an audio recording in 1984. Rare sperm whale sighting off Vancouver Island0:12It was a team effort to find the whale. "Unlikely any other species of whale, the sperm whale blow is at a 45-degree angle," Towers explained. Brain powerThe average sperm whale brain weighs about 7.8 kilograms, compared to an average of about 1.3-1.4 kilograms for human brains. Back in Johnstone Strait, Towers plans to keep monitoring the sperm whale by hydrophone as it moves through the strait and may try to spot it again if the weather co-operates.

Source: CBC News February 14, 2018 01:30 UTC