Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
The CIA once spent $20 million on a cat equipped with gear to spy on the Soviets, but it was hit by a taxi.
328
A scorpion can hold its breath for up to 6 days.
19
When dragonflies mate, their tails form a love heart.
22
Jaguars frequently get high by eating hallucinogenic roots, which also increases their senses for hunting.
6
There was a bear called Wojtek who was adopted by Polish soldiers during WW2. It carried ammunition, wrestled with soldiers, and drank beer.
40