Dolphin

Dolphin

Delphinidae

Overview

Dolphins are among the most intelligent animals on Earth. These social marine mammals use echolocation, communicate with complex vocalizations, and are known for their playful interactions with humans and each other.

Fun Facts

  • Dolphins sleep with one eye open — half their brain stays awake.
  • They have names — unique signature whistles.
  • Can swim up to 60 km/h in short bursts.
  • Bottlenose dolphins recognize themselves in mirrors.

Gallery

FAQ

How smart are dolphins?

Among the smartest animals — they use tools, teach skills, and show self-awareness.

Do dolphins attack humans?

Wild dolphins are generally friendly; attacks are extremely rare.

Sources

  • NOAA Fisheries
  • Smithsonian Ocean
  • Encyclopaedia Britannica
  • IUCN Red List

Data Notes

Some values (e.g., size, weight, lifespan, speed) are estimates and may vary across studies, regions, age, and measurement methods.

Images on this page are AI-generated illustrations for editorial use. They should not be used as diagnostic identification references.