The unintentional poisoning of wildlife who consume poisoned rats or other rodents killed through rodenticides has occasioned a strong new law in California. This fall, Governor Gavin Newsom signed the toughest anti-rodenticide regulation in the nation, known as the Poison-Free Wildlife Act. The act makes anticoagulant poisons illegal in all but a few exceptional cases, prohibiting the most egregious forms of poisons.
Rodents that eat bait poisoned with blood-thinning chemicals such as warfarin die from…