Archaeologists have found pots of honey in ancient Egyptian tombs that are over 3000 years old and still perfectly edible.
One pumps blood through the body, while the other two pump blood to the gills.
Cows form close bonds with other cows and can become stressed when separated from their preferred companions.
The sloth has an incredibly slow metabolism and takes up to a month to digest a single leaf.
Turritopsis dohrnii, a type of jellyfish, is capable of reverting back to its juvenile form after reaching maturity, effectively starting its life cycle anew.
Mantis shrimps have one of the most complex visual systems in the animal kingdom, capable of seeing polarized light and a range of colors far beyond human capability.
The hairy frog, found in Central Africa, can break its own bones to produce claws that puncture through its skin, acting as weapons against predators.
Butterflies use sensors on their feet to taste food, which helps them identify suitable surfaces for laying eggs.
The pistol shrimp can create a cavitation bubble by snapping its claw shut so fast that it produces a shockwave capable of stunning or killing small prey.