![Sperm whales use distinct vocalizations to identify different whale clans, new research finds | Oregon State University Sperm whales use distinct vocalizations to identify different whale clans, new research finds | Oregon State University](https://today.oregonstate.edu/sites/today.oregonstate.edu/files/sperm_whale_head.jpeg)
Sperm whales use distinct vocalizations to identify different whale clans, new research finds | Oregon State University
![Sperm whale guide: where they live, what they eat and why they are called sperm whales - Discover Wildlife Sperm whale guide: where they live, what they eat and why they are called sperm whales - Discover Wildlife](https://c02.purpledshub.com/uploads/sites/62/2023/05/Sperm-whale-4e62454.jpg)
Sperm whale guide: where they live, what they eat and why they are called sperm whales - Discover Wildlife
![Sperm whale blowhole (left side of head), Physeter macrocephalus, Sao Miguel Island, Azores, Portugal Sperm whale blowhole (left side of head), Physeter macrocephalus, Sao Miguel Island, Azores, Portugal](http://www.oceanlight.com/stock-photo/sperm-whale-azores-picture-02073-312669.jpg)
Sperm whale blowhole (left side of head), Physeter macrocephalus, Sao Miguel Island, Azores, Portugal
![Male sperm whales DO use their massive foreheads to ram love rivals: Study finally confirms the long-standing theory made famous in Moby Dick | Daily Mail Online Male sperm whales DO use their massive foreheads to ram love rivals: Study finally confirms the long-standing theory made famous in Moby Dick | Daily Mail Online](https://i.dailymail.co.uk/i/pix/2016/04/05/12/32DC768E00000578-0-image-a-1_1459857425043.jpg)