Humpback Whale, 2000

One Humpback Whale is as heavy as: three Tucuxi, eight Harbor Porpoises, eight Common Dolphins, six Boutu (Amazon River Dolphins), five Hourglass Dolphins, six Pacific White-sided Dolphins, four Beluga Whales, twelve Striped Dolphins, one Baby Humpback Whale, four Long-snouted Spinner Dolphins, three Risso's Dolphins, two Killer Whales, five Dall's Porpoises, four Bottlenose Dolphins, nine Hector's Dolphins, four Franciscanas, four White-beaked Dolphins, or 33 tons, several Belugas more or less