Dolphins are highly intelligent marine mammals and are part of the family of toothed whales that includes orcas and pilot whales. They are found worldwide, mostly in shallow seas of the continental shelves, and are carnivores, mostly eating fish and squid. Dolphin coloration varies, but they are generally gray in color with darker backs than the rest of their bodies.The largest dolphin species is the orca, or killer whale. Male orcas grow to about 25 feet in length and weigh about 19,000 pounds. Lifespan: Most dolphins live long lives. The bottlenose dolphin can live over 40 years, and the orca can live to be 70 or 80! Dolphins are extraordinarily intelligent animals who also display culture, something which was long-believed to be unique to humans (although now recognized in various species). Dolphins have been observed teaching young how to use tools. They cover their snouts with sponges to protect them while foraging. Dolphins have several highly developed forms of communication. They have a “signature whistle” which allows other individuals to recognize them. Dolphins are altruistic animals. They are known to stay and help injured individuals, even helping them to the surface to breath. Their compassion also extends across the species-barrier. There are many accounts of dolphins helping humans and even whales.

You could watch this video

https://www.youtube.com/watch?v=Fp_motddvnQ

Dolphins sleep by resting one side of the brain at a time. This allows them to continue rising to the surface for air and to keep an eye open to watch out for predators. Dolphins use echolocation to find food and navigate. This is a natural version of radar. Dolphins can jump as high as 20 feet out of the water. The “killer whale”, or Orca, is actually a dolphin. Dolphins are incredibly social animals. They live in groups and cooperate with each other to get food and in raising offspring (calves). Dolphins are extremely playful and curious animals. They play-fight with each other and also play with seaweed. They have also been known to play with other animals such as dogs.

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