Department of Fisheries & Oceans Canada
https://www.dfo-mpo.gc.ca/species-especes/profiles-profils/killerWhalesouth-PAC-NE-epaulardsud-eng.html
NOAA’s Protected Resources Division
https://www.westcoast.fisheries.noaa.gov/protected_species/marine_mammals/killer_whale/
Washington Department of Fish & Wildlife
https://wdfw.wa.gov/species-habitats/at-risk/species-recovery/orca
San Juan County
https://www.sanjuanco.com/1629/Marine-Resources
San Juan County Marine Resources Committee
https://www.sjcmrc.org/projects/southern-resident-killer-whales/
The Whale Museum & Soundwatch Boater Education Program
https://whalemuseum.org/pages/whale-watch-information
Cetus Research & Conservation Society & Straitwatch
https://www.cetussociety.org/