ZAP’S FACTS!
WHALES

A blue whale's heart is the size of a small car.

The blue whale's heart is so big a small child could crawl through its arteries.

1 min read
A blue whale's heart is the size of a small car.
THE FULL STORY

A blue whale’s heart weighs around 180 kilograms - about the size of a small car - and its main blood vessels are wide enough for a child to crawl through.

Whales sleep with half their brain awake at a time.
DID YOU KNOW? Whales sleep with half their brain awake at a time. One half rests while the other keeps swimming, breathing, and watching. 2 min read
Killer whales are the biggest members of the dolphin family.
DID YOU KNOW? Killer whales are the biggest members of the dolphin family. They hunt in family groups, teach their kids, and each pod has its own dialect. 2 min read
A dead whale on the seafloor feeds a whole ecosystem for decades.
DID YOU KNOW? A dead whale on the seafloor feeds a whole ecosystem for decades. It's called a "whale fall" - and life crowds around it for 50+ years. 2 min read