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The orca's intelligence, trainability, striking appearance, playfulness in captivity and sheer size have made it a popular exhibit at aquaria and aquatic theme parks. From 1976 to 1997, 55 whales were taken from the wild in Iceland, 19 from Japan, and three from Argentina.
Old Thom is a large bull orca, and is estimated to be 25 to 30 feet (7.6 to 9.1 m) long, with an estimated weight of 8 short tons (7.3 t). [3] The whale is identified by a distinct notch a third of the way down the posterior side of the dorsal fin.
On average, an adult killer whale in the wild may eat about three to four percent of their body weight daily, [82] or as much as 227 kg (500 lb) of food for a six-ton male. Their diet in the wild depends on what is available, and may include fish, walruses, seals, sea lions, penguins, squid, sea turtles, sharks and whales. [ 83 ]
The orca's size indicated he was most likely 5 years old. [122] After not dying as had been planned, [123] the orca was led to Vancouver using the harpoon line like a leash. There he was given improvised accommodation at Burrard Dry Dock. [124] The following day, July 18, the dock was opened for the general public to watch the novel captive. [125]
Tilikum was the largest orca in captivity. [8] He measured 22.5 feet (6.9 m) in length and weighed about 12,500 pounds (5,700 kg). [9] His pectoral fins were 7 feet (2.1 m) long, his fluke curled under, and his 6.5-foot-tall (2.0 m) dorsal fin was collapsed completely to his left side.
The wide, fur-covered paws of a snow leopard serve as natural snowshoes, helping to distribute its weight over soft snow and protect it from the cold. Image credits: WWF #25 Many Fish Change Sex ...
Orca, whose numbers in New Zealand are estimated to be between 150 and 200, are apex predators that can weigh 12,000 pounds or more. The animals, the largest members of the dolphin family, ...
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.