Cetaceans are marine mammals that include whales, dolphins, and porpoises.
Китообразные — это морские млекопитающие, к которым относятся киты, дельфины и морские свиньи.
Definitionen
A group of marine mammals that includes whales, dolphins, and porpoises, characterized by a streamlined body, a horizontal tail fin, and a blowhole for breathing.
Cetaceans are known for their intelligence and complex social behaviors.