The scorpion dies if it approaches the fire because heat changes the properties of the proteins that make up its body and coagulates it, causing severe body-tail convulsions, contrary to the common belief that the scorpion stings itself if trapped in the fire to relieve the pain. The crocodile is the only animal that can move its upper jaw when swallowing its food while the lower jaw remains stationary. [4] The blue whale is the largest animal found on the planet, weighing up to 200 tons. The oceans are not as blind as some believe, but they are distinguished from the rest of the fish by the distinctive composition of the reef The eye, which consists of several layers of optical receptors, is the only animal that has a stockpile of optical dyes. [6] The horse can remain standing for several months without having to lie down. [7] The world's first zoo is a zoo Vina, which was established in 1752 at the Schonbrunn Palace. [8] Octopus can get rid of its arms when attacked by predators, and the arms it loses grow again after a few weeks. [9] The octopus has three hearts, Blood (Hemocyanin) containing copper. [9] Neem egg It is the largest egg in the world, with a length of 6-9 inches, weighing between 1.4-2.3cm, which is only about 1% of the mother's weight. [10] Gazelle has no bitterness. Tarantula can live for more than two years without eating. [11] The ostrich is faster than the horse, and the ostrich can reel like black. [11] The bat is the only mammal that can fly. [11] The crocodile can live 100). [12] One elephant's age weighs 9 pounds, about four kilograms. [12] Cats have 32 muscles in each ear. [12] The leopard's skin is completely striped like the fur it covers. [12] A glaucoma weighs more than the weight of an elephant. [12] The elephant can identify the water locations three miles away. [12] A hundred whales are killed daily by whale hunters. [12] The snail's eye can grow again when uprooted. [12] Rocky is the most toxic fish in the world. [12] Goat is the first animal to be humanized. [12] The whale heart beats only nine times per minute. [12] The newborn panda bears are smaller than the mouse. [13] Oysters can change [13] The humming bird flaps its wings 60-80 times per second. [13] The dog has 1700 bud tasting on its tongue. [13] Rodent teeth grow [13] The bat can take up to 1,000 insects per hour. [13] The elephant's hose consists of 15,000 muscles and can drink 200 liters of water a day. [13] The squirrel can not distinguish red. [13] The mouse resorts to eating its tail if He could not find what to eat. [13] The starfish is the only animal that can turn its stomach out. [13] The crocodile can not move backward. [13] The starfish has eight eyes, one on the end of each arm. It has no vocal cords. [13] The mole can drill a 300-mile tunnel in just one night. [13] Flamingo is pink because it is widely eaten by shrimps. [14] John (Tigon) is an animal produced by the mating of the male tiger with the female lioness, and the liger is an animal produced by the mating of the lion with the female leopard. [14] The whale embryo grows inside the mother's womb until it is one third of its length. 14] Cats can hear the ultrasound. [14] The dog's nose is wet to capture the smallest droplets of the aromatic chemical. [14] Arachnophobia. [14] Polar bears are the largest species of predators living on a surface Earth. [