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.
Killer Whale Breaching. Largest of the dolphins, the killer whale, or orca, is a highly successful predator, feeding on fish, seals, and sometimes whales. Gray Whale in Grice Bay. Every year, in late fall, gray whales leave their feeding grounds in Alaska to breed in the warm waters off Mexico's west coast. They return north in the summer, a round trip of some 12,500 miles (20,116 kilometers)!