36 facts about dolphins!

Dolphins are aquatic animals that somehow always look very cute.

Dolphins are aquatic animals that are very friendly to human beings. So, let’s discover more facts about them!

1. Dolphin is a common name of aquatic mammals.
2. There are 44 extant species named as dolphins.
3. Males are larger than females.
4. They live anywhere on the planet, but in general, they prefer warmer places such as the Mediterranean sea or the tropic zone.
5. Dolphins live in the sea, but can’t breathe underwater.
6. They swim up to the ocean’s surface to get air.
7. They rest one hemisphere of their brain for 15 to 20 minutes at a time.
8. They take these “naps” several times each day.
9. This is how they breathe and look after themselves all day long.
10. Dolphins communicate making a variety of vocalizations.
11. While “hunting down”, they make clicking sounds.
12. They communicate with other dolphins by whistling.
13. Dolphins also create very loud sounds when they feel excited or aggressive.
14. One of their biggest enemies is the shark!
15. Scientists haven’t linked their vocalization to their general behavior yet, so they are considered mysterious animals.
16. To know where they are in relation to other objects and animals, dolphins use echolocation.
17. This is a biological sonar.
18. More simply they talk and then they hear echoes in order to understand where they are.
19. They are carnivores.
20. Echolocation is also used by them to trap, catch, and eat fish and squid.
21. Dolphins are quite social and create friendships.
22. Every dolphin has its own whistle.
23. That’s somehow their name.
24. Marine scientists believe that female dolphins may even teach their baby dolphins their whistles before they’re born.
25. Dolphins use their unique whistles to call out to one another.
26. In addition, they are able to remember other dolphins’ whistles after decades apart.
27. The largest dolphin species is the Orca, which is also called Killer Whale.
28. It can be 30 feet long—10 times longer than the smallest dolphins.
29. Dolphins do have teeth but don’t use them to chew food.
30. They only use their teeth to catch their food.
31. Dolphins have many stomachs and one is specifically made for digestion.
32. They are pregnant from 9 up to 17 months and give birth to only one baby dolphin.
33. Their skin is normally “reborn” every 2 hours.
34. Hunting, overfishing, and pollution are the reasons why they re in danger.
35. In general, wherever they live, they live in groups which can be consisted of 1.000 dolphins!
36. The oldest dolphin of the world died at the age of 61!