- Most dolphins are black or gray. Killer whales (a type of dolphin) are black and white.
- Bottlenose dolphins are the most common type of dolphin. You’re likely to see the Bottlenose dolphin in rivers and coastal areas in the southern United States. They are usually gray in color.
- Dolphins sometimes die when they become trapped in fishermen’s nets.
- Dolphins live in groups called schools or pods. A female dolphin leads the herd.
- Male dolphins are called “bulls”, females are called “cows” and the young dolphins are called “calves”.
- Dolphins use squeaks and whistles to call to each other.
- Like bats, dolphins use echolocation to find food and objects.
- Dolphins eat fish and squid.
- A group of dolphins is called a school, or Pod.
- The smallest dolphin is called Maui’s dolphin. It is only 1.2 m (4 ft) long and 40 kg (90 lb) light. Like a small human child!
- The Orca, also known as the killer whale, is a type of dolphin. It is a huge type of dolphin, as long as 9.5 m (30 ft) and weighing around 10 tonnes! Orcas belong to the mammal family of Delphinidae so they qualify as dolphins.