Continuous light and physiology of Arctic birds and mammals.
D000818:Animals; D001110:Arctic Regions; D001717:Birds / Q000502:physiology; D004781:Environmental Exposure; D005589:Foxes / Q000502:physiology; D008027:Light; D010870:Pineal Gland / Q000502:physiology*; D012377:Rodentia / Q000502:physiology; D012621:Seasons