Sea turtle nesting beaches are critical welfare and conservation sites where female turtles face threats from light pollution, beach armoring, human disturbance, and nest predation during their brief and energetically costly nesting excursions.
The nesting process is already physiologically demanding for female sea turtles — they emerge from the sea at night, crawl up the beach using muscles adapted for swimming, excavate a nest chamber with their rear flippers, lay 80-120 eggs, and return to the sea, all without feeding. Disturbance at any stage of this process causes genuine welfare harm: failed nesting attempts are energetically costly, beach encounters with vehicles or humans cause acute fear, and disorientation from light pollution can lead to exhaustion and death on the beach. Protection programmes that combine lighting ordinances, beach vehicle restrictions, and nest monitoring address these welfare harms while supporting population recovery.