Adaptive reduction in permeability of avian eggshells to water vapour at high altitudes.
D000222:Adaptation, Physiological; D000531:Altitude; D000818:Animals; D005075:Biological Evolution; D001717:Birds / Q000502:physiology*; D004528:Egg Shell; D010539:Permeability; D014867:Water / Q000378:metabolism*
D014867:Water