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An attack on a strap-toothed whale. Orcas are large, powerful aquatic apex predators. There have been incidents where orcas were perceived to attack humans in the wild, but such attacks are less common than those by captive orcas. [1] In captivity, there have been several non-fatal and four fatal attacks on humans since the 1970s. [2]
Orca attacking a strap-toothed beaked whale. Orcas also prey on larger species such as sperm whales, grey whales, humpback whales and minke whales. [84] [40] 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. [89]
Like other toothed whales, the sperm whale can retract its eyes. The sperm whale's eye does not differ greatly from those of other toothed whales except in size. It is the largest among the toothed whales, weighing about 170 g. It is overall ellipsoid in shape, compressed along the visual axis, measuring about 7×7×3 cm.
This research is still in preliminary stages, said Doug Nowacek, a marine biologist at Duke University who helped put trackers on whales this summer off Massachusetts as part of a 5-year federally ...
Five species of seals (harp seals, gray seals, harbor seals, hooded seals, and ringed seals), and numerous whale species swim in the waters of Stellwagen Bank. [3] Whale watchers frequently can see humpback whales, minke whales and fin whales and occasionally sight of one of the most critically endangered whale species, the North Atlantic right ...
The plane and whales are both constantly moving, so observers could sight and count an individual whale more than once. Of the sightings, 21 were fin whales , 26 were humpback whales and 93 were ...
A federal appeals court on Thursday restored a U.S. agency rule restricting lobster and Jonah crab fishing off the Massachusetts coast to protect endangered whales, rejecting a claim that the ...
Historically, whaling took a heavy toll on sperm whale populations. Prior to the early 18th century, sperm whales were hunted in Japan and Indonesia. Legend has it that sometime in the early 18th century, supposed to be not far from 1712, Captain Christopher Hussey, while cruising for right whales near shore, was blown offshore by a northerly wind, where he encountered a school of sperm whales ...