Blue whale

The blue whale (Balaenoptera musculus) is a baleen whale found in oceans worldwide and the largest animal known to have lived.

Lunge feeding: A high-speed feeding maneuver in which a whale engulfs a large volume of prey-laden water. Blue whales use this energy-intensive maneuver to capture dense patches of krill.
Balaenoptera: A genus of rorqual whales characterized by throat grooves and streamlined bodies. The blue whale is the largest member of this rorqual genus.
Evolution of cetaceans: The evolutionary transition from land-dwelling mammals to fully aquatic whales and dolphins. Blue whale ancestry traces through the land-to-sea transformation of cetaceans.
Blue whale conservation: Efforts to protect blue whales through legal safeguards, monitoring, and reduction of human-caused risks. Conservation addresses threats that persist despite international protections.
Whaling: The hunting and killing of whales for products such as oil, meat, and baleen. Commercial whaling drove blue whale populations to a small fraction of their former abundance.
Baleen: Fringed plates of keratin that filter small prey from water in baleen whales. Blue whales strain krill from seawater with baleen instead of teeth.
Mysticeti: The cetacean suborder comprising baleen whales, which filter-feed rather than catching prey with teeth. Blue whales belong to this group of filter-feeding whales.
Balaenoptera musculus: The scientific name for the blue whale species. Its binomial name identifies the species independently of common names.
Whale watching: The observation of whales in their natural habitats, often from boats or shore. Blue whale sightings support tourism and public awareness in some regions.
International Whaling Commission: An international body established by the 1946 International Convention for the Regulation of Whaling. Its protections helped end commercial hunting of blue whales.

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