This database is designed to provide statutory, biological and ecological information on species and ecological communities, migratory species, marine species, and species and species products subject to international trade and commercial use protected under the Environment Protection and Biodiversity Conservation Act the EPBC Act. Awaiting results from MOSJ…. Increasing ocean temperatures predicted by climate change scenarios could potentially increase the extent of occurrence, with warmer water extending southwards. Australian Biological Resources Study, ed. The complex social structure of Sperm Whales precludes accurate assessment of the scale of population fluctuations. Notarbartolo di Sciara
Biol Rev Camb Philos Soc. A study published in Current Biology recorded evidence that whales may sleep with both sides of the brain. Tracking of diving whales suggests that groups engage in herding of prey, similar to bait balls created by other species, though the research needs to be confirmed by tracking the prey. At the posterior end of this spermaceti complex is the frontal sac, which covers the concave surface of the cranium. Wikispecies has information related to Physeter macrocephalus. Sperm whaling declined in the second half of the nineteenth century, as petroleum came into broader use. Males battle for mating rights, then breed with multiple females.
Sperm Whale | Facts, pictures & more about Sperm Whale
Despite evidence that sperm whales share similar codas, it is still unknown whether sperm whales possess individually specific coda repertoires or whether individuals make codas at different rates. The sharp beak of a consumed squid lodged in the whale's intestine may lead to the production of ambergris , analogous to the production of pearls. Sperm whales are not the easiest of whales to watch , due to their long dive times and ability to travel long distances underwater. According to Fristrup and Harbison ,  sperm whales eyes afford good vision and sensitivity to light.
Description: A mature sperm whale has few natural predators, although calves and weakened adults are sometimes killed by pods of orcas killer whales. Wikispecies has information related to Physeter macrocephalus. Shepherd's beaked whale T. Adult males who are not breeding live solitary lives, whereas females and juvenile males live together in groups. Until , the species was generally known as P.