Sea otter rehabilitation after oil spills represents one of the most intensive and welfare-challenging forms of wildlife rescue, with significant lessons for preparedness.
Oiled sea otters experience rapidly progressing hypothermia as crude oil mats their fur, removing the air layer that provides thermal insulation in cold Pacific waters. The stress of capture and intensive human-handled washing adds to physiological shock in already compromised animals. Long rehabilitation periods in captive settings cause welfare challenges from social deprivation and human habituation that can jeopardize release success. The decision between intensive rehabilitation and humane euthanasia for severely affected individuals requires difficult welfare judgments. Preparedness planning including established rehabilitation facilities, trained responders, and clear protocols reduces response time and improves individual welfare outcomes when spills occur.