Sheep, goats, octopuses, and toads have rectangular pupils.
7
A banana slug can be 6-8 inches and their erect penis can be just as long. Also, their penises emerge from their heads. After sex, banana slugs eat each others penises.
17
The elephant brain weighs about 6,000g.
274
The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
8
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Moths are unable to fly during an earthquake.
328
A scorpion can hold its breath for up to 6 days.
19