Dolphins and whales are closely related. Orcas were given the name 'killer whale' by ancient sailors' observations of groups of orcas hunting and preying on larger whale species. They called orcas, or 'whale killer' – a term that was eventually flipped around to the easier 'killer whale'.A female killer whale will give birth every three to 10 years, to one offspring at a time. ... A baby orca is called a calf, and they are about 8.5 feet (2.6 m) long and 265 to 353
- Nearly 40 species of dolphins swim the waters of the world. ...
- Dolphins are carnivores. ...
- Known for their playful behaviour, dolphins are highly intelligent. ...
- Dolphins are part of the family of whales that includes orcas and pilot whales. ...
- Dolphins are very social, living in groups that hunt and even play together.
- Compared to other animals, dolphins are believed to be very intelligent.
- Dolphins are carnivores (meat eaters).
- The Killer Whale (also known as Orca) is actually a type of dolphin.
- Bottlenose dolphins are the most common and well known type of dolphin.
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