Deepest dive by a mammal
Who
Cuvier’s Beaked Whales (Ziphius cavirostris)
What
2,992 metre(s)
Where
United Kingdom ()
When
2013

The deepest authenticated dive by a mammal was made by a Cuvier's beaked whale (Ziphius cavirostris) off the coast of Southern California, USA, in 2013. During a three-month study of eight individuals, marine scientists used satellite-linked tags to record the whales' dives, the deepest of which reached 2,992 m (9,816 ft) deep.