Why do sperm whales eat squid

Scientifically documented specimens have masses of hundreds, rather than thousands, of kilograms. It is not known why giant squid become stranded on shore, but it may be because the distribution of deep, cold water where squid live is temporarily altered. Fossil sperm whales differ from modern sperm whales in tooth count and the shape of the face and jaws. Timothy A. Retrieved 20 March There is no direct connection between the internal carotid artery and the vessels of the brain.

In other projects Wikimedia Commons Wikispecies. Humans are the main predators of squid though. But not only were the squid not knocked senseless, they did not react at all to the ultrasound bursts, and actually swam in front of the speaker as if nothing were happening. The wax therefore solidifies and reduces in volume. The Orca diet also consists fish, squid, seals, sea lions, dolphins, porpoises, and large whales such as the Blue Whale. Region: Arctic.

Juvenile squid are preyed on by deep sea sharks and fishes. Sperm whales have a lifespan similar to humans, living about 70 years. Physeter macrocephalus Linnaeus , Though a widely practised art in the 19th century, scrimshaw using genuine sperm whale ivory declined substantially after the retirement of the whaling fleets in the s.