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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 ]
If you think of killer whales as one species — a big pie — then killing some of them off here might not be a cause for concern, Morin said. ... Classification of land animals is often done by ...
Orcas or killer whales have a cosmopolitan distribution and several distinct populations or types have been documented or suggested. Three to five types of orcas may be distinct enough to be considered different races, [1] subspecies, or possibly even species [2] (see species problem).
The genus Orcinus was published by Leopold Fitzinger in 1860, [4] its type species is the orca named by Linnaeus in 1758 as Delphinus orca.Taxonomic arrangements of delphinids published by workers before and after Fitzinger, such as John Edward Gray as Orca in 1846 and Orca (Gladiator) in 1870, are recognized as synonyms of Orcinus.
Orcas, or killer whales as they are commonly known, are marine mammals known to display a range of intelligent behaviours. As several populations of the species have come under threat from ...
Spain’s arid coast looms in one direction; the tip of Africa in another, less than 10 miles away. From time to time, schools of small fish breach the water in unison, as if in symphony.
Six species of dolphins have the word "whale" in their name, collectively known as blackfish: the orca, or killer whale, the melon-headed whale, the pygmy killer whale, the false killer whale, and the two species of pilot whales, all of which are classified under the family Delphinidae (oceanic dolphins). [6]
It’s easy to be misunderstood with the word “killer” in your name. Still, this year seemed to be a wild one for killer whales. From “attacking” and sinking several boats off southwestern ...