Today is the third day in a row for such subjects.
Have a look at this mother Mexican gray wolf and her pup . The photo was taken by Joel Sartore at the Sedgwick County Zoo, Wichita, Kansas, in 1996. The description mentions that the figure, viewed from the front, looks as if it is standing still, but from the side, seems to be striding forward. Have a look at these alternate views . But that has to, well, not stop, but seriously diminish.