Animals & Nature
How many legs, teeth, hearts, species, and other animal facts answered with real data. 7 answers and counting.
Legs Does a Spider Have?
8
Every spider has exactly 8 legs, arranged in 4 pairs. This is one of the defining features of arachnids, the class th...
Teeth Does a Shark Have?
3,000
A shark can have up to 3,000 teeth in its mouth at any given time, arranged in multiple rows. Most sharks have 5-15 r...
Hearts Does an Octopus Have?
3
An octopus has three hearts. Two of them (branchial hearts) pump blood through the gills to pick up oxygen. The third...
Dogs in the World?
500M
There are approximately 500 million dogs on Earth, which sounds like a lot until you realize that about 300 million o...
Cats in the World?
600M
There are roughly 600 million cats on Earth, making them more numerous than dogs (500 million). About 220 million are...
Ants in the World?
20Q
There are approximately 20 quadrillion ants on Earth. That is 20,000,000,000,000,000, or about 2.5 million ants for e...
Bones Does a Dog Have?
319
The average dog has about 319 bones, though the number varies by breed and individual. A dog born with a long tail ma...