AMNH scientist Camille Grohé studies the evolutionary history of aquatic carnivores, including otters, seals and sea lions. How and when did their land-dwelling ancestors first take to the water? By comparing the inner ears of modern and extinct carnivores, Grohé finds signs of transition to an aquatic environment.
Download the video in HD:
http://media.amnh.org/sciencebulletins/InnerEar_vF_DOWNLOAD.mp4
Related AMNH content:
Science Bulletin: Skull X-Rays Reconstruct Extinct Carnivores’ Bite
https://www.youtube.com/watch?v=4ABQ6tjhSQ8
Science Bulletin: Opening Up the Pocket Shark
https://www.youtube.com/watch?v=aLzS7fPoTTo
Science Bulletin: CT Scans Help Poached Rhinos
https://www.youtube.com/watch?v=-DuDraJzvlQ
Video credits:
Writer/Producer
AMNH/L. Moustakerski
Animator
AMNH/S. Krasinski
Sound Design/Camera
AMNH/J. Morfoot
Field Producer
AMNH/M. Weisberger
Audio Engineer
AMNH/L. Siegfried
Images
PhyloPic
David Hillis, Derrick Zwickl, and Robin Gutell, University of Texas
This material is based upon work supported by the National Science Foundation under Grant No. DEB 1257572.
