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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. [206] However, at some potential feeding sites, the killer whales may prevail over sperm whales even when outnumbered by the sperm whales.
The lumbar vertebrae were elongated and may have supported large multifidus and longissimus muscles in the back, likely larger than the modern sperm whale, and so it probably swam faster than the modern sperm whale; [1] the modern sperm whale typically travels horizontally at 4 kilometers per hour (2.5 mph), comparable to other large open-ocean ...
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).
Suddenly, the whale watchers saw a “large dark bubble” of something reddish brown erupt from around the sperm whales, and an orca surfaced with a chunk of meat in its mouth. The video shows ...
Orcas also prey on larger species such as sperm whales, grey whales, humpback whales and minke whales. [ 83 ] [ 39 ] On three separate occasions in 2019 orcas were recorded to have killed blue whales off the south coast of Western Australia, including an estimated 18–22-meter (59–72 ft) individual. [ 88 ]
Though the "orca wars" reference a fictional battle between human and killer whale, many online have taken their allegiances seriously, posting about being team orca or team human.
In comparison, the modern killer whale has teeth around 8 cm (3.1 in) in height and 2.5 cm (0.98 in) in diameter. [3] Like the modern killer whale, the tooth lacks a coat of cementum. However, unlike the modern killer whale, O. paleorca had a circular tooth root as opposed to an oval, and the pulp extended more towards the back than the front. [2]
According to a release from "The Good Whale," after Free Willy became an unexpected hit, fans learned the orca who played Willy in the movie — a killed whale named Keiko — was ill and living ...