What is a Dolphin?
A dolphin is a highly intelligent marine mammal that belongs to the family Delphinidae. Dolphins are known for their playful behavior, complex communication, and social nature.
Common Dolphin Vocabulary in English
- Dolphin – the general term for these marine mammals
- Bottlenose dolphin – one of the most well-known species
- Pod – a group of dolphins
- Echolocation – the biological sonar dolphins use to navigate and hunt
- Blowhole – the hole on top of a dolphin’s head used for breathing
- Dorsal fin – the fin on a dolphin’s back
Fun Facts About Dolphins
- Dolphins can recognize themselves in mirrors — a sign of self-awareness.
- They sleep with one half of their brain awake to stay alert for predators.
- Some dolphins use sponges as tools to protect their snouts while foraging.
- The orca (killer whale) is actually the largest member of the dolphin family.
- Dolphins communicate using clicks, whistles, and body language.
Conservation Status
Many dolphin species face threats from pollution, fishing nets, and habitat loss. Conservation efforts around the world aim to protect these remarkable creatures and their ocean homes.