How many different types of whales are there in the Great Barrier Reef?

The Great Barrier Reef is located off the coast of Australia and is home to over 30 different species of whales. Some of the most common species include the humpback whale, southern right whale, sperm whale, and pygmy right whale. These whales migrate to the warmer waters of the Great Barrier Reef to breed and calve, making it one of the most important whale sanctuaries in the world.