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Sciurus niger – Fox Squirrel non-native
Species, Terrestrial mammal, Terrestrial
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Sigmodon hispidus – Hispid Cotton Rat non-native
Species, Terrestrial mammal, Terrestrial
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Sorex coronatus – French Shrew non-native
Species, Terrestrial mammal, Terrestrial
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Sus domesticus – Domestic Pig non-native
Species, Terrestrial mammal, Terrestrial
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Sylvilagus floridanus – Eastern Cottontail non-native
Species, Terrestrial mammal, Terrestrial
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Tamias sibiricus – Siberian Chipmunk non-native
Species, Terrestrial mammal, Terrestrial
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Tamias striatus – Eastern Chipmunk non-native
Species, Terrestrial mammal, Terrestrial
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Vespertilio murinus – Parti-coloured Bat non-native
Species, Terrestrial mammal, Terrestrial
Particoloured Bat, Ystlum Deuliw, Ystlumod Deuliw