Sperm whale Sperm whale The sperm whale ("Physeter macrocephalus") or cachalot is the largest of the toothed whales and the largest toothed predator. It is the only living member of genus Physeter and one of three extant species in the sperm whale family, along with the pygmy sperm whale and dwarf sperm whale of the genus "Kogia". The sperm whale is a pelagic mammal with a worldwide range, and will migrate seasonally for feeding and breeding. Females and young males live together in groups, while mature males (bulls) live solitary lives outside of the mating season. The females cooperate to protect and
Bowhead whale whales" were confirmed to be from bowhead whales. The bowhead whale has a large, robust, dark-coloured body and a white chin/lower jaw. The whale has a massive triangular skull, which it uses to break through the Arctic ice to breathe. Inuit hunters have reported bowheads surfacing through of ice. The bowhead also has a strongly bowed lower jaw and a narrow upper jaw. Its baleen is the longest of that of any whale, at , and is used to strain tiny prey from the water. The bowhead whale has paired blowholes, at the highest point of the head, which can