Figure 2.

(A) Locations of the nontoxic, temporary mark and the number of times the dolphins were marked in each location in mark and sham-mark sessions. Marks were applied to either side of the body. Subject 1: b, above eye (right, n = 1); c, above and posterior to ear (right, n = 3; left, n = 4); d, between ear and pectoral fin (right, n = 2; left, n = 2); e, above pectoral fin (right, n = 2; left, n = 1); f, posterior to pectoral fin (left, n = 1); g, below dorsal fin (right, n = 3; left, n = 7); h, between pectoral fin (n = 2); i, umbilical (n = 1); j, underside and tip of pectoral fin (right, n = 1). Subject 2: a, on melon (right, n = 1; left, n = 2); e, above pectoral fin (right, n = 5; left, n = 2); g, below dorsal fin (right, n = 2; left, n = 1; umbilical, n = 2); h, between pectoral fin (n = 1). (B) The dolphin marked above the right eye.