Track to puzzle over

[appalichian hunter]

ROO

 

[colimr]

my guess is a Theriznosaurus from the cretaceous period or a Prosauropoda Google is amazing

 

[flintlock75]

Large cat, probably a lion, they roamed North America thousands of years ago.

 

[BlazingIron]

The now extinct giant wooly saner toothed three toed sloth.

 

[chorizo]

Well, by reading all these series of posts I can tell that the Fullofbsatoris isn't extinct yet.

 

[Oldbear63]

Likely a large dog's print.

 

[BHScout]

I'm thinking it's a hog foot. With it's weight back.

 

[DuncNZ]

Ostrich or Emu , both feet .