Beaked Whale Identification Guide
Select the image that best represents your specimen
Lateral view of B. bairdii head
 
Lateral view of M. perrini head
Rostrum clearly distinct from melon, insertion angle of melon onto beak approaches 75 degrees.

Rostrum is elongate with an exaggerated undershot jaw.

Mandible extends anteriorly beyond maxilla by more than 5 cm.
 
Rostrum not distinct from the melon, these features grade seamlessly together.

Rostrum varies from short to medium in length, jaw is only slightly undershot.

Mandible extends anteriorly beyond maxilla by less than 5 cm.
NMNH | Vertebrate Zoology | Marine Mammal Program | Disclaimer | Privacy Statement | Contact Us | Copyright ©2007 Smithsonian Institution