For the record, there are 80 Southern Resident orcas at last count, not 81.
Also, they were listed under the ESA in 2005, not 2003.

The project will mean tanker traffic from the Burnaby terminal will increase to 34 tankers a month from about five a month. Those tankers, carrying diluted bitumen, will travel through the Strait of Georgia, between the Gulf Islands and the San Juan Island, around southern Vancouver Island then through Juan de Fuca Strait on their way to foreign markets.