Despite weighing a massive 4 tonnes, this mammal can dive 2000 metres down, hold its breath for an incredible 2 hours and even control its heart rate
The gold medal in deep diving goes to a southern elephant seal, recorded at an incredible height of 2,388m, says Ellen Husain. While this is extreme, the species frequently dives to depths of 400 to 800 m, remaining underwater for 20 to 30 minutes. Motivated by food, elephant seals explore the depths in search of … Read more