The "correct" frame of reference for comparing metabolic rates: body weight versus body surface.
D000367:Age Factors; D000818:Animals; D000831:Animals, Newborn / Q000378:metabolism*; D001481:Basal Metabolism; D001830:Body Surface Area; D001835:Body Weight; D006168:Guinea Pigs; D010100:Oxygen / Q000378:metabolism; D010101:Oxygen Consumption; D011817:Rabbits; D013045:Species Specificity
D010100:Oxygen