The snakes that eat caviar

Marine snakes are fascinating. Entire articles have been written about their morphological and physiological adaptations to marine life, from their lingual salt glands, which are more efficient than kidneys at removing sodium ions from their body, to their rudimentary left lung, which serves a function for the first time in millions of years, aiding in buoyancy control in a manner analogous to the swim bladders of many fishes. Leer más.