Animals
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A baby octopus is about the size of a flea when it is born. A cat can run about 20 kilometres per hour (12 miles per hour) when it grows up. A catfish has about 100,000 taste buds. A chameleon’s tongue is twice the length of its body. A domestic cat can frighten a black bear to climb a tree. A rat can last longer without water than a camel can. A rhinoceros’ horn is made of compacted hair and keratin. A woodpecker can peck twenty times a second. An elephant can be pregnant for up to 2 years. An ostrich’s eye is bigger than its brain. Bulls are color blind. Cows can have regional accents. Crocodiles can open and close their jaw, but they cannot move it side to side. Crocodiles can reach a speed of up to 11 miles per hour. Dolphins sleep with one eye open. Donkeys can live between 30 to 50 years in captivity. Ferret females can die if they go into heat and can’t find a mate. Hedgehogs’ heart beats, on average, 190 times per minute when active and only 20 times when in hibernation. Iguanas can stay under water for up to thirty minutes. Just one cow gives off enough harmful methane gas in a single day to fill around 400 liter bottles. Leeches can gorge themselves up to five times their body weight. Leeches have 32 brains. Mice will nurse babies that are not their own. Moles can dig three hundred feet long tunnels in just one single night. Mosquitoes have 47 teeth. Slugs have 4 noses. The blue whale is the largest animal on earth. The heart of a blue whale is as big as a car, and it’s tongue is as long as an elephant. The first passengers in a hot air balloon were a sheep, a duck and a rooster. The largest pearl ever found was 620 carats. The typical laboratory mouse runs 2.5 miles per night on its treadmill.
