https://www.fisheries.noaa.gov/west-coast/endangered-species-conservation/southern-resident-killer-whale-orcinus-orca
www.epa.gov/salish-sea/southern-resident-killer-whalesÂ
https://www.orcaconservancy.org/meet-the-southern-residents
https://www.endangered.org/campaigns/southern-resident-orcas/