Road mortality during amphibian breeding migrations kills millions of frogs, toads, and salamanders annually, with targeted infrastructure and volunteer programs providing cost-effective welfare interventions.
Amphibians struck by vehicles during breeding migrations experience traumatic deaths at scale that significantly reduces breeding population sizes at key crossing points. Long-term, these mortality hotspots erode population viability as adult survival is reduced each year. Volunteer toad patrol programs provide immediate welfare protection for individual animals while building the public engagement and data collection that informs permanent infrastructure solutions. The combination of immediate volunteer intervention and long-term infrastructure investment addresses this preventable welfare harm at multiple time scales.