There are over 90 species of cetaceans, each with its own unique set of characteristics. Whales come in all shapes and sizes, from the vaquita (Phocoena sinus), at 5 feet (1.5m) and 95 pounds (43 kg). to the blue whale (Balaenoptera musculus) at 110 feet (34 m) and 418,878 pounds (189 metric tons)! More @Wikipedia
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