Experts have suggested that this dive was unusually deep for this species. A more normal depth would be 2,000 metres. Sperm whales also regularly dive 1,000 to 2,000 metres deep. Read more about ...

Experts have suggested that this was an unusually deep dive for this species, and a more normal depth is 2,000 metres. A more recent 5-year study of nearly 3,700 deep dives by 23 beaked whales found ...