Visual pigments and oil droplets from six classes of photoreceptor in the retinas of birds

Authors: JK, Bowmaker, LA, Heath, SE, Wilkie, DM. Hunt

Publication/Journal: Vision Research

Keywords: absorption, bird, budgerigar, colour vision, cone, double cone, long-wave, long-wave cone class, melopsittacus undulatus, microspectrophotometric, oil droplet, psittaciformes, retinal photoreceptors, shell parakeet, single cone, taeniopygia guttata, visual pigment, visualpigments, zebra finch