Various species of dolphins exhibit sexual dimorphism where the males are larger than females. They have streamlined, fish -like bodies with the two forelimbs evolving into flippers, complete loss of …

Jan 26, 2026 · Most river dolphins live in fresh water that may be several thousand kilometres from the sea, although some spend their lives in coastal waters. Dolphins are social, gathering in schools from …

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

Dolphins are small-toothed cetaceans easily recognizable by their curved mouths, which give them a permanent “smile.” There are 36 dolphin species, found in every ocean.

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 …

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.

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