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Stop the Dumping of Rodenticides on the Farallon Islands

Farallon Islands. Photo by Jan Roletto
Photo by Jan Roletto

Help WildCare demand that the US Fish and Wildlife Service stop considering the proposal to eradicate non-native mice from the islands with aerial dumping of Brodifacoum-25 Conservation Rodenticide.

Sign our petition below to show your concern about the proposed eradication measures.

The Public Comment Period on this issue has been extended to June 10, 2011. Please sign our petition, give us your comments and your feedback will be presented to decisionmakers as part of WildCare's stand against this issue.



Please Reject the Aerial Dumping of Brodifacoum-25 Conservation Rodenticide on the Farallon Islands as a Rodent Mitigation Measure

Gerry McChesney
Farallon NWR Manager
9500 Thornton Ave.
Newark, CA 94560


Dear Mr. McChesney:

As a supporter of WildCare, and someone who cares about wildlife in California, I am writing to express my deep concern over the proposed "South Farallon Islands Non-native Mouse Eradication Project." 

The proposal lists three "action alternatives" for eradicating the non-native house mouse (Mus musculus) from the island habitat.Two of the alternatives rely solely on the aerial dumping of loose pellets of toxic Brodifacoum rodenticide indiscriminately across the islands and the third alternative is to do nothing.

These action alternatives are profoundly disturbing because the introduction of Brodifacoum into the delicate ecosystem of the Farallon Islands can only lead to significant environmental damage, death and destruction.

The Project (quoting the scoping document) proposes to "help protect and restore the ecosystem of the South Farallon Islands," and claims that rodenticide dumping "will provide a high likelihood of success based on similar projects elsewhere while minimizing incidental impacts to other resources."

Unfortunately evidence from similar projects, including a 2008 "Rat Island Rat Eradication Project" powerfully demonstrates that aerial rodenticide dumping exacts an extremely high toll on "other resources," including non-target wildlife. There is also evidence that indiscriminate distribution of rodenticides will neither eliminate a rodent problem, nor prevent the problem from returning.

Arguments in favor of this proposal overwhelmingly focus on the necessity of protecting the many endangered and threatened species that live and breed on the Farallones. It is WildCare's position and mine that, if control of house mouse populations is necessary, then responsible, non-toxic and environmentally sustainable approaches must be used.

The aerial broadcasting of toxic rodenticide pellets over the entire landmass of the Farallon Islands does not fit these criteria, and should not even be considered in the eradication proposal. I strongly encourage you to solicit, examine and implement other, more environmentally sensitive alternatives.

Please help maintain the integrity of the incredibly fragile ecosystem on the Farallon Islands, and reject the proposal to aerially spray the islands with Brodifacoum 25-Conservation!

Thank you for supporting environmental responsibility by rejecting this proposal.




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