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Cetacea is an infraorder of aquatic mammals that includes whales, dolphins and porpoises. Learn about their diversity, evolution, anatomy, ecology, behaviour, threats and relationship to humans.
Learn how whales and dolphins differ in appearance, size, habitat, diet, reproduction, and social behavior. Find out which one would win in a face-off and explore the diversity of whale and dolphin species.
1 Οκτ 2018 · Whales and dolphins are both marine mammals, but they differ in size, teeth, diet, and intelligence. Learn how to distinguish them and why they are threatened by whaling and overfishing.
Learn how dolphins and whales are similar and different in terms of size, teeth, diet, behavior, and taxonomy. Find out how they breathe, sleep, and evolve in the ocean.
Learn about whales, the largest living creatures on the planet, and their role in climate change mitigation. Find out how WWF works to protect whales from commercial whaling, bycatch, shipping, and habitat loss.
Learn about the similarities and differences between whales and dolphins, two types of marine mammals that belong to the cetacean family. Find out how they vary in size, shape, appearance, breathing, teeth, diet, intelligence, communication, and habitat.
Whales are a widely distributed and diverse group of fully aquatic placental marine mammals. As an informal and colloquial grouping, they correspond to large members of the infraorder Cetacea, i.e. all cetaceans apart from dolphins and porpoises. Dolphins and porpoises may be considered whales from a formal, cladistic perspective.
