Anticoagulant rodenticides, specifically, brodifacoum, bromadiolone, difethialone, difenacoum, diphacinone and chlorophacinone, pose a serious threat to wildlife and ecosystems.
Our campaign aims to stop the sale and use of products containing any of these six poisons.
We are currently petitioning state and federal agencies to suspend their use.
Please join us.

Source: Rodenticide Campaign – Wildlife Emergency Services
Rebecca Dmytryk was on the 6/28/20 KSCO Pet Radio program and spent five minutes talking about this issue, which I have attached as a podcast.

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Rodenticide Toxicity | Cornell Wildlife Health LabRodenticides are toxic to many species of birds and mammals including pets,
farm animals, and wildlife species. The time between exposure and development
 ...