Facts About Dolphins

  • Dolphins are capable of unihemispheric slow-wave sleep, which means that they can rest with one eye open and half of their brain still awake and alert
  • Dolphins are the fastest water mammals in the world, capable of travelling up to 36 mph
  • Most adult dolphins eat the equivalent of 5-10% of their own body weight in fish every day.
  • Dolphins can usually live for about 50 years.
  • Dolphins use sound echoes to help them find fish to eat.
  • Dolphins also make a whistling sound to communicate with other dolphins.
  • Because dolphins spent most of their time in large groups and are able to communicate with each other in various different ways, scientists believe that they are one of the most intelligent mammals on earth.