J. Martin Walker, Harry L. Taylor, T. Paul Maslin, Evidence for Specific Recognition of the San Esteban Whiptail Lizard (Cnemidophorus estebanensis), Copeia, Vol. 1966, No. 3 (Sep. 7, 1966), pp. 498-505
No takes yet. Share an insight, caveat, or question.
Walker et al. (1966) studied this question.