Anatomy of a sperm whale

ScienceDaily shares links with sites in the TrendMD network and earns revenue from third-party advertisers, where indicated. Cruise date: 16 Jan - 23 Jan, Molecular evidence from retroposons that whales form a clade within even-toed ungulates. Sperm whales are easily recognized by their massive heads and prominent rounded foreheads. File information. Skip to search form Skip to main content You are currently offline.

State of Connecticut Sites, Seals and Symbols. The first secretes no gastric juices and has very thick muscular walls to crush the food since whales cannot chew and resist the claw and sucker attacks of swallowed squid. This damage may indicate that sperm whales are susceptible to decompression sickness, and sudden surfacing could be lethal to them. The sperm whale belongs to the order Cetartiodactyla , [20] [21] [22] [23] [24] the order containing all cetaceans and even-toed ungulates. The function of the spermaceti organ has not yet been conclusively demonstrated. The sperm whale is a pelagic mammal with a worldwide range, and will migrate seasonally for feeding and breeding. Marine Mammals of the World: a comprehensive guide to their identification.

Herman Melville". The largest ridge was called the 'hump' by whalers, and can be mistaken for a dorsal fin because of its shape and size. Caulton S. Shiretoko Rausu -cho Tourist Association.