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Orcas (or killer whales) 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]
The orca (Orcinus orca), or killer whale, is a toothed whale and the largest member of the oceanic dolphin family. It is the only extant species in the genus Orcinus and is recognizable by its black-and-white patterned body. A cosmopolitan species, it is found in diverse marine environments, from Arctic to Antarctic regions to tropical seas.
A stoat surplus killing chipmunks (Ernest Thompson Seton, 1909) Multiple sheep killed by a cougar. Surplus killing, also known as excessive killing, henhouse syndrome, [1] [2] or overkill, [3] is a common behavior exhibited by predators, in which they kill more prey than they can immediately eat and then they either cache or abandon the remainder.
Each additional killer whale requires a pool with an additional 10,900 cubic feet (308 m 3) of volume. 9 CFR 3.104 also requires a minimum of 680 square feet (63 m 2) surface area per killer whale in Table IV (the example with a cylindrical tank 48 feet (15 m) in diametre for two whales provides 905 square feet (84.1 m 2) of surface area per ...
The orcas interacted with the yacht for 45 minutes, bumping against the blade of the rudder, causing damage and leaks. No humans were harmed and the vessel sank near the entrance to the port of Tanger-Med. [14] [7] On 12 May 2024, the Spanish yacht Alboran Cognac was attacked by orcas and holed. Both people on board were rescued by a tanker.
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Humans hunted with apex predators in the form of wolves, and in turn with domestic dogs, for 40,000 years; this collaboration may have helped modern humans to outcompete the Neanderthals. [ 37 ] [ 38 ] Humans still hunt with dogs , which have often been bred as gun dogs to point to , flush out , or retrieve prey . [ 39 ]
The quick-response goal of this fleet is to mobilize a team and be on site within 72 hours. Dolphins are trained much like police dogs and hunting dogs are. They are given rewards such as fish on correct completion of a task. Dolphins are trained to detect underwater mines and enemy swimmers and then report back to their handlers.