Allometry and different constraints on the size of land and sea mammals are discussed in this video. A brief explanation of allometry as well as thermoregulation in sea mammals is described in the video.
References:
Biomechanical Consequences of Scaling by Andrew A. Biewener
Biomechanics and Energetics in Aquatic and Semiaquatic Mammals: Platypus to Whale by Frank E Fish
Body Size and Temperature: Why They Matter by Carlos Martinez del Rio and William H. Karasov
Featured image “Addo Elephant National Park” by exfordy is licensed under CC BY 2.0.