There are several relational operators you can use: < 1  less than. <= 2  less than or equal to. > 3  greater than. >= 4  greater than or equal to.
This particular pod is called the Southern Resident Killer Whales (SRKW) Granny is said to be the matriarch of the group and was spotted in the Strait of Georgia at the weekend. She is thought to have travelled around 800 miles up from California. The average lifespan of a wild orca is between 60 and 80 years.
MATING AND BREEDING. Recent research indicates that blue whales reach sexual maturity between the ages of 6-10 years, or when males average about 74 feet (23 m) and females are about 79 feet (24 m). Calves are born at intervals of 2 to 3 years and gestation is about 12 months.