A pygmy blue whale, Balaenoptera musculus brevicauda, swims in the Banda Sea, Indonesia. This huge cetacean reaches up to 24 meters in length and makes up to about half of all blue whales alive.© ...

Baleen is a flexible, keratin-based filtering system that allows whales to feed on massive amounts of tiny prey efficiently. Different baleen shapes and sizes reflect different feeding strategies, ...

Blue whales are not only the largest animal on earth today but the largest known animal ever to have lived on earth. The largest blue whale ever recorded weighed over 199 tons. Even average-sized blue ...