Beaked Whale Identification Guide
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Lateral view of Ziphius head
 
Lateral view of M. perrini head
Mouthline convex, sweeps downward before turning upwards toward the eye.

Apical teeth incline forward in the mandible and appear conical in lateral view; ovate in cross section.

Length of body greater than 5 m.
 
Mouthline straight or slightly sinusoidal.

Apical teeth sit upright in the mandible and appear triangular in lateral view ; laterally compressed in cross section.

Length of body less than 4.5 m.
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