title: Physiology. Going the distance.
authors.forename: Elizabeth
authors.initials: E
authors.lastname: Pennisi
mesh_terms: D000273:Adipose Tissue; D025041:Animal Migration; D000818:Animals; D001717:Birds / Q000502:physiology*; D004032:Diet; D004734:Energy Metabolism; D005247:Feeding Behavior; D005426:Flight, Animal; D007107:Immune System / Q000502:physiology; D012106:Research; D014919:Wind