| White-Beaked Dolphin | Atlantic White-Sided Dolphin |
|---|---|
| TEETH | |
| 22-28 per side per jaw. | 30-40 per side per jaw,sometimes more in upperjaw. |
| COLORATION | |
| Beak sometimes gray orwhite above and below; twopale areas visible on livinganimals not visible on strandedspecimens. | Beak all black; side markedwith elongated areas ofwhite with streaking patternsof yellow and tan. |
Additional characteristics by which the two species may be distinguished are summarized on p. [123].