It is a little tough to do from these pics but here are a few tips:
This species is found only in the eastern half of the U.S.
There are red spots circled by a black rings on the adults and juveniles.
Adults have olive drab to brown skin tones and grow to be about 5 inches in length.
Juveniles are bright orange-red color with red spots.
Life cycle and environment are Larvae (tadpole) in pond, juvenile on land/forest, adult in pond.
Only the tadpoles have gills.
What is their common name?