The blue whale is the biggest animal that has ever existed ... Instead, they use the blowholes on the top of their head to ...

Slowing to just two beats per minute, the animals’ heart rate shows how they survive plunging far below the ocean’s surface to eat ... Learn about our Editorial Policies. A blue whale’s heart can beat ...

Get Instant Summarized Text (Gist) Pygmy blue whales off Western Australia engage in foraging dives, including lunge-feeding, during their migration to Indonesia. These dives, tracked using ...

Blue whales can eat as much as 6 tons (5.4 metric ... Sperm whales can spend over an hour diving thousands of feet beneath the surface to hunt, using echolocation to track down giant squid ...