Víš to? - Zajímavosti ze světa přírody (2017)

Why don't spiders get caught in their own webs? Is a water flea really a flea? What is a coconut crab? Which venomous snakes are the most dangerous? Why do grasshoppers and crickets have 'ears' on their knees? Why does a spitfire spit? Are there slave ants? What do lemmings search for? How is honey made? How fast do bees fly? Is every sea urchin round? Where do carp-like fish hide? Is there a fish that has two eyes on one side of its head and none on the other? Is there a fish that can climb a tree? Is there a frog that has horns? Is there a frog that can fly? Can weather frogs really predict the weather? Is there a two-headed snake? Which snake is the longest? How many species of venomous snakes live in the world? Which venomous snake is the fastest? Is there a bird that sews its nest with thread? Is there an owl that rattles like a rattlesnake? What superstition is associated with the nightjar? What is a shrew caravan? How many spines do hedgehogs have? Is there a mammal that has teeth in its stomach? Is there a monkey that drinks water with its tail? How old are the oldest trees in the world? Are there trees that have grass growing in their crowns? Why were roses carved on confessionals in the past? What is a water plantain? Why is ripe fruit colorful? Why does nettle sting? How does a gall form...