Lab Notes: Why do whales strand en masse?

Every now and again, dozens or even hundreds of perfectly healthy looking whales strand themselves on a beach. 

And despite people's best efforts, many — if not all of them — will die. 

So why do whales strand themselves, and why do they seem to do it at the same locations? 

This episode was first broadcast in August 2025. 

You can binge more episodes of the Lab Notes podcast with science journalist and presenter Belinda Smith on the ABC Listen app (Australia). You'll find episodes on animal behaviour, human health, space exploration and so much more. Get in touch with us: labnotes@abc.net.au

Featuring:

Kate Sprogis, marine mammal ecologist at University of Western Australia 

More information: 

Cause of mass pilot whale stranding at Cheynes Beach still no clearer one year on

This episode of Lab Notes was produced on the lands of the Wurundjeri and Menang Noongar people.