6 In flamingos, their beautiful color comes from the algae, diatoms and small crustaceans they eat, which are rich in carotene.
7. Turtles can be recognized by their sound: males grumble, females hiss.
8 A fighting fish can survive without water for several hours.
9 Dragonflies can fly in any direction – forward, backward and sideways. These are the fastest flying insects, their speed reaches almost 100 kilometers per hour.
10 Blue whales are the largest animals on earth.
