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.
A wild orca pod can cover over 160 kilometres a day, foraging and socialising. Why are they called âkiller whalesâ when they are dolphins? Dolphins and whales are closely related. Orcas were given the name âkiller whaleâ by ancient sailorsâ observations of groups of orcas hunting and preying on larger whale species.