Wild orca populations face serious welfare challenges from declining salmon prey, vessel noise, and contaminant loads. Southern Resident orcas in particular face critical welfare and conservation pressures.
Wild orca welfare represents one of the most emotionally documented animal welfare crises, partly because of the research depth on individually known animals. The 17-day vigil by a Southern Resident mother carrying her dead calf shocked the public and illustrated the depth of cetacean social bonds and grief capacity. The underlying cause was nutritional - the calf died because its mother was too starved to produce adequate milk. Salmon restoration is therefore directly a welfare intervention. Vessel restrictions around foraging orcas have been implemented but enforced inconsistently. The interconnection between salmon welfare (in fisheries), ecosystem health, and orca welfare illustrates how animal welfare is fundamentally ecological.