A blue sensitive mechanism in the pigeon retina: lambda max 400 nm.
D000221:Adaptation, Ocular; D000818:Animals; D003118:Color Perception; D010856:Columbidae / Q000502:physiology*; D004566:Electrodes; D004596:Electroretinography; D010775:Photic Stimulation; D012160:Retina / Q000502:physiology*; D013057:Spectrum Analysis