Honeybee colony collapse disorder and broader pollinator decline represent a wildlife welfare issue of enormous scale. Understanding causes helps direct effective action.
Bee welfare sits at the intersection of individual animal welfare and ecosystem-level welfare considerations. Individual bees exposed to neonicotinoid pesticides show impaired navigation, reproduction, and learning - functional harms that affect their ability to live normal bee lives. Colony collapse represents mass mortality of individually living creatures on a scale that is difficult to comprehend. The question of whether individual bees have subjective experiences that make their welfare morally considerable is genuinely uncertain, but the scale of potential suffering - from pesticide exposure, varroa mites, and habitat loss affecting billions of individual bees - suggests that precautionary welfare consideration is warranted. Beyond individual bee welfare, the collapse of pollinator populations threatens the food security and ecosystem health on which countless other species depend.