There are 40 extant species named as dolphins. All of the families belong to the parvorder Odontoceti: the toothed whales. Dolphins range in size from the 1.7-metre-long (5 ft 7 in) and 50-kilogram (110 …

Top ten facts about dolphins There are currently 42 species of dolphins and seven species of porpoises. Dolphins are marine mammals. They must surface to breathe air and give birth to live young. A …

Most dolphins are marine and live in the ocean or brackish waters along coastlines. There are a few species, however, like the South Asian river dolphin and the Amazon river dolphin, or boto,...

5 days ago · Dolphins are swift swimmers; the bottlenose dolphin can attain speeds of nearly 30 km/hr (18.5 mph) in short bursts, and common dolphins are even faster. What are dolphins known for? …

Dolphins are incredibly intelligent, social, wide-ranging and deep-diving marine mammals. They live in complex social groups called pods, often made up of family members.

Dolphins are some of the most intelligent marine mammals. Find out more about these aquatic animals and how you can contribute to dolphin conservation.

This page includes information on evolutionary theories, taxonomy, differences between dolphins and porpoises, and descriptions of dolphin organs and biological systems.

Dec 9, 2025 · Dolphins are highly intelligent, marine mammals known for their complex behavior, global distribution, and remarkable evolutionary history.

Mar 9, 2024 · Their agility, intelligence, playfulness and social skills make dolphins one of the most charming inhabitants of the Earth’s waters. But there’s more to this savvy, diverse family of creatures …

Discover strange and amazing dolphin facts, species info, behavior, intelligence, and ocean secrets that make dolphins truly unique among marine mammals.