Giant beaked whale sexes in the region studied. They exhibit a slight reverse sexual dimorphism with females tending to be larger than males in size. The females have no post-reproductive stage. In July 2006, in the Sea of Cortez, Mexico, there was summer stranding event of 10 males of mixed age composition that was highly suggestive of male alloparental care. Baird's beaked whale has a diet that consists primarily of deep sea fish and cephalopods found at its preferred dive depths (1000-3000 m). On rare occasions, it has been known to eat octopus, lobster, crab, rockfish, herring, starfish and sea cucumbers. The species
Coconut crab light material will cause the crab to loosen its hold." In the Cook Islands, the coconut crab is known as ' or ', and in the Mariana Islands it is called "ayuyu", and is sometimes associated with "" because of the traditional belief that ancestral spirits can return in the form of animals such as the coconut crab. Coconut crab populations in several areas have declined or become locally extinct due to both habitat loss and human predation. In 1981, it was listed on the IUCN Red List as a vulnerable species, but a lack of biological data caused its