Curiosity:

Cetaceans are majestic and fascinating marine mammals, perfectly adapted to aquatic life. Also known as “gentle giants,” despite their sometimes colossal size (the blue whale, at 30 meters long, is the largest living animal on Earth!), they are known for their peaceful and graceful nature.

They breathe with lungs, nurse their young, and are warm-blooded.

There are 85 known species, divided into two suborders: Mysticeti (baleen whales) and Odontoceti (sperm whales, orcas, and all dolphins).

General size: From approx. 1.5 meters (bottlenose dolphin) to approx. 33 meters (blue whale).

Weight: From approx. 40 kilograms (bottlenose dolphin) to approx. 180 tons (blue whale).

Diet: Depending on the species: small crustaceans (krill), cuttlefish, octopus, fish.

Habitat: All oceans, and in some cases rivers (river dolphins).

Features: Mysticetes (baleen whales) have two blowholes to expel air, while Odontocetes (toothed whales) have only one.

Threats: Bycatch, noise pollution, disturbances from maritime traffic, ocean pollution, climate change, and whaling.