Rodent Assistance Rodent management is constant on both public and private lands. See below for information and resources on various rodent species found within Palmer's service area. Resources for Common Rodents in Palmer's Service Area Beavers Defenders of Wildlife - Bothered by Beavers Prairie Dogs Black Footed Ferret ReintroductionBlack Footed Ferret Safe Harbor Agreement Fact SheetBlack Footed Ferret Fact Sheet