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It was a member of a group of macroraptorial sperm whales (or "raptorial sperm whales") and was probably an apex predator, preying on whales, seals and so forth. Characteristically of raptorial sperm whales, Livyatan had functional, enamel -coated teeth on the upper and lower jaws, as well as several features suitable for hunting large prey.
The killer whales employed a tail outward and tail-slapping defensive position against the bull sperm whale similar to that used by female sperm whales against attacking killer whales. [205] However, at some potential feeding sites, the killer whales may prevail over sperm whales even when outnumbered by the sperm whales.
Schizomida, also known as sprickets [1] or short-tailed whip-scorpions, [2] is an order of arachnids, generally less than 5 millimetres (0.20 in) in length.The order is not yet widely studied.
Fowl — This word which, in its most general sense, applies to anything that flies in the air (Genesis 1:20, 21), including the "bat" and "flying creeping things" (Leviticus 11:19-23 A.V.), and which frequently occurs in the Bible with this meaning, is also sometimes used in a narrower sense, as, for instance, III K., iv, 23, where it stands ...
Researchers examining southern right whales found that the median life span for the species was 73.4 years, and that 10 percent of individuals survived past 131.8 years.
Macroraptorial sperm whales occupied the same niche as killer whales (Orcinus orca). Using their large and deeply rooted teeth, wide-opening jaws, and great size, they likely fed on a variety of sea life, including fish, cephalopods, seals, and small whales and dolphins, occupying a niche similar to the modern day killer whale (Orcinus orca).
Measurement of the proportion of wax esters retained by a harvested sperm whale accurately described the age and future life expectancy of a given individual. The level of wax esters in the spermaceti organ increases with the age of the whale: 38–51% in calves, 58–87% in adult females, and 71–94% in adult males. [4]
Stenochrus portoricensis is a species of arachnid belonging to the family Hubbardiidae in the order Schizomida, which are commonly known as short-tailed whip scorpions. [1] [2] [3] They are mostly found in North and Central America, but their parthenogenetic lifestyle allows them to live in other parts of the world in temperate climates.