Beaked Whale Identification Guide
Select the image that best represents your specimen
Lateral view of Ziphius head
 
Lateral view of M. mirus head
Mouthline convex, sweeps downward before turning upwards toward the eye.

Short rostrum is indistinct from sloping melon.
 
Mouthline is straight or sinusoidal.

Medium length rostrum can appear somewhat distinct from melon or can grade into melon seamlessly.
NMNH | Vertebrate Zoology | Marine Mammal Program | Disclaimer | Privacy Statement | Contact Us | Copyright ©2007 Smithsonian Institution