These much-loved marine creatures are well known for their intellect and playful behavior.
![A beautiful Dolphin | Animals Zone wild-dolphin](/images/placeholder.png)
Dolphins are marine mammals. And like every mammal, they are warm-blooded and give birth to live babies.
Take a break and go through these beautiful photos and learn more interesting facts about dolphins.
1. There are almost 40 species of dolphins swim the waters of the world.
![Wild Dolphin | Animals Zone dolphin-in-sea](/images/placeholder.png)
2. Most of the species live in saltwater, but there are some that live in rivers and lakes.
![Amazing Dolphins | Animals Zone amazing-dolphins](/images/placeholder.png)
3. Dolphins can range in size from 4 – 30 feet, and weigh between 90 pounds and 11 tons.
![We love #dolphins | Animals Zone dolphin](/images/placeholder.png)
4. Dolphins are very social creatures, they live in groups called pods.
![A group of Dolphins | Animals Zone Dolphins](/images/placeholder.png)
5. Dolphins have a unique sense of hearing. They communicate with each other through sounds and whistles.
![Dolphins jumping | Animals Zone dolphins-jumping](/images/placeholder.png)
6. Some species of dolphins have been known to swim as deep as 1000 ft, jump as high as 30 feet out of the water and travel as fast as 25 miles per hour.
![Two Dolphins swimming | Animals Zone swimming-with-dolphins](/images/placeholder.png)
7. Female dolphins are called cows, males are called bulls and young dolphins are called calves.
![Dolphins at sunset | Animals Zone dolphins-at-sunset](/images/placeholder.png)
8. A female dolphin nurses for up to 2 years. Babies stay with the mothers anywhere from 3 to 8 years.
![A tiny dolphin in the womb | Animals Zone dolphin-in-the-womb](/images/placeholder.png)
9. The Killer Whale (also known as Orca) is actually the largest type of dolphin.
![Killer Whales | Animals Zone killer-whales](/images/placeholder.png)
10. The most well known of all dolphin species is the Bottlenose Dolphin.
![Bottlenose Dolphins | Animals Zone bottlenose-dolphin](/images/placeholder.png)
11.These underwater mammals always seem to be smiling!
![Adorable dolphin with a smile | Animals Zone dolphin-with-a-smile](/images/placeholder.png)
Don’t forget to follow us on Pinterest for more awesome pictures!
Sources:
Image 1, Image 2, Image 3, Image 4, Image 5, Image 6, Image 7, Image 8, Image 9, Image 10,