Definition
Cetacean refers to a group of marine mammals including whales, dolphins, and porpoises. They are highly intelligent and adapted to aquatic life. Cetaceans breathe air through blowholes on top of their heads. They communicate through complex sounds and behaviors. Many cetacean species are endangered due to human activities. Their sleek bodies and playful nature make them fascinating creatures. Cetaceans represent a diverse and important part of marine ecosystems.