The gigasecond (Gs) is a unit of time in the International System of Units, defined as 109 seconds using the SI prefix system.
John Hargrove, who spent 14 years as an orca trainer, mostly at SeaWorld, says there was no doubt that the whale was aggressive. And the reason for whales' aggression, he says, is that they're held captive.Hargrove eventually became disillusioned with SeaWorld's treatment of orcas and left the company.ohn Hargrove, who spent 14 years as an orca trainer, mostly at SeaWorld, says there was no doubt that the whale was aggressive. And the reason for whales' aggression, he says, is that they're held captive.
Orcas feed on a wide variety of prey, from small schooling fish to large baleen whales. These cetaceans are powerful predators, which are not intimidated by large, or bulky animals, and are known to be able to attack even sharks. In general, killer whales feed on a large variety of fish, cephalopods and marine mammals.The estimated number of species consumed worldwide by orcas is around 140. They usually prey on squids, octopus, seals, sea lions, sea otters, rays, dolphins, sharks, baleen whales and of course, bony fishes.his stun or kill the prey so killer whales can feed on them. If the victim is a marine mammal, the orcas have to hit them with the tail or throw them in the air. The procedure to catch large baleen whales, usually involves all the members of the herd, as baleen whales are not small or weak animals.