title: Non-visual light responsiveness in the pigeon: developmental and comparative considerations.
mesh_terms: D000818:Animals; D001717:Birds / Q000502:physiology; D010856:Columbidae / Q000502:physiology*; D004625:Embryo, Nonmammalian; D006257:Head / Q000502:physiology; D007185:Incubators; D008027:Light; D008124:Locomotion; D009068:Movement; D009333:Neck / Q000502:physiology; D010465:Perception; D010775:Photic Stimulation; D010786:Photoreceptor Cells / Q000502:physiology; D012879:Skin Physiological Phenomena; D013696:Temperature