The trailer for a new documentary the Whale Super Highway has been released, with part of the movie being filmed in Geographe Bay.
The documentary follows the journey of a humpback whale mother and its calf down the WA coastline, and explores how the recovery of WA's humpback whale population was the greatest conservation success story of our time.
The film is being premiere at this year's CinefestOZ on Wednesday August 28.
Marine mammal scientist Bec Wellard told the Mail they had been filming the documentary last year on how unique the population of baleen whales were off WA.
Ms Wellard said the film was a nice way to touch on the good that was done when whaling stopped and how the population had bounced back.
"There is beautiful imagery of the humpback whales and also looks at why the blue whales off WA have not recovered as well as the humpbacks," she said.
"From a scientist's point of view we still do not know why. We explore options and theories as to why the blues have not recovered, which was really fascinating to touch on."