Dinosaurs could not have roared because they lack a vocal system.
Many shelters don’t allow black cats to be adopted around Halloween, for fear the they may be tortured or sacrificed.
A dog can instinctively solve calculus problems when playing fetch.
An entire population of mice that inhabited an islet in Mexico was driven to extinction by a single cat.
Kangaroos can’t fart. They convert the small quantity of methane they produce into an energy source which their body reuses. Scientists hope that they will be able to transfer the bacteria that causes this in kangaroos to cows, to reduce methane emissions to save the world from the latest fashionable catastrophe: global warming.
It takes 3,000 cows to supply the NFL with enough leather for a year’s supply of footballs.
In 1991 a girl was found in Ukraine who had lived with and been raised by dogs for most of her life.
Persian soldiers successfully used cats in battle against the ancient Egyptians, who refused to attack for fear of hurting them.
In 1962, Desmond Morris did an experiment where monkeys produced art. After starting to reward them, their quality continued to decrease until they produced the bare minimum to get rewarded.
A tiger killed 400 people in India during the 19th century.