Orcas are among the most socially and cognitively complex animals on Earth. Their welfare in both wild and captive settings raises profound questions about what these animals need to thrive.
Captive orca welfare has been fundamentally reframed by scientific understanding of orca social complexity. Animals that form lifelong bonds, transmit culture across generations, and live in matrilineal societies cannot have their welfare needs met in the small pools and artificial social groupings of marine parks. Dental disease from stereotypic chewing, collapsed dorsal fins, and dramatically shortened lifespans are visible manifestations of chronic welfare deficits. In the wild, Southern Resident orcas face severe prey depletion from reduced Chinook salmon availability, acoustic disturbance from shipping, and legacy contaminant accumulation. Protecting wild orca populations requires salmon restoration, shipping noise reduction, and continued bans on captive orca display.