cotton rat
US /ˈkɑːt.ən ˌræt/
UK /ˈkɑːt.ən ˌræt/
1.
any of several species of New World rodents of the genus Sigmodon, having coarse fur and a cottony appearance, especially S. hispidus, found in the southern United States and Central America.
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The field study observed the nesting habits of the cotton rat.
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The cotton rat is a common host for various parasites.