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Dolphins are part of the toothed whales. Generally, they are among the smaller whales. Most live in salt water oceans, but some live in rivers – there are oceanic dolphins and river dolphins. Dolphins are from 1.5 metres (4.9 ft) to 4 metres (13 ft) long, but the largest dolphin, the killer whale (or orca), can be up to 8 metres (26 ft) long.
Because dolphins and porpoises look so much alike, people often confuse the two. However, dolphins are usually larger and have longer, beaklike snouts. There are more than 35 species, or types, of dolphin. They are divided into two groups: true dolphins and river dolphins.
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Dolphins are sometimes thought of as the dogs of the sea because they are usually playful and friendly. They’re also among the smartest animals on Earth. Dolphins are water mammals. Scientists believe they’re as smart as chimpanzees or dogs. They live in rivers and oceans, but they must come up to breathe air.
Jan 26, 2015 · A dolphin is an aquatic mammal. Dolphins are extremely intelligent and sociable animals, and have their own way to communicate with each other using special sounds. Dolphins have a playful and friendly nature, which makes them very popular with humans. Read on for more facts about dolphins for kids (and adults) ...
Sep 28, 2023 · Dolphin. The Dolphin is in the family of the marine mammals (ceteceans). It has a long grey body and a long tail. It has a fin on the back. It has small teeth and two small round eyes. It has one flipper on each side of its body.
Dolphins are mammals and belong in the whale order, Cetacea. Biologists recognize three distinct families of dolphins. Two of the families contain river dolphins, and the other is composed of ocean dolphins. All are toothed whales (suborder Odontoceti).
