"Our scientists found shattered bone and large hematomas which are indicative of a ship strike, " he told BBC News.

BBC: Whales benefit from action on ocean noise

The trauma that causes intraparenchymal hematomas often is responsible for so-called white matter shear injuries torn axons in the brain's white matter.

CNN: Intracranial hematoma

After a head trauma, there may be multiple severe intraparenchymal hematomas.

CNN: Intracranial hematoma