Artwork for National Geographic Magazine's "Secret Antartica" (July 2017 issue).
NGM STAFF: Editor: Monica Serrano, Internal Anatomy and research: Mesa Schumacher. Art: Vlad Rodriguez.
Sources: Christopher Clarck, UC Riverside; Doug Altshuler, University of British Columbia; Andrew Iwaniuk, University of Lethbridge, Alberta.
Copyright National Geographic, used with permission for portfolio use only. You can view it as an online infographic HERE.