Clinton G. Abbott, a naturalist, worked for the San Diego Natural History Museum. Abbott was made aware that Dr. Ross Dog and Cat Food company was hunting sea lions off the Mexican coastline. Abbott staged an effort to end the hunting, fearing the impact it would have on the sea lion population.

"Dr. Ross Dog Food Company float at the 1939 Rose Parade"
[Image courtesy of Herman Schultheis/Los Angeles Public Library Photo Collection]