Pigeons see the Ponzo illusion

Distortion of Visual Space as Inappropriate Constancy Scaling

Richard L Gregory · Nature · 1963 · 501 citations

Medicine, Vision Science, Spatial Vision +12

Colour naming and classification in a chimpanzee (Pan troglodytes)

Tetsuro Matsuzawa · Journal of Human Evolution · 1985 · 139 citations

Life Sciences, Biology, Zoology +11

An extension of assimilation theory to illusions of size, area, and direction

Alexander W. Pressey · Perception & Psychophysics · 1971 · 117 citations · Full text

Medicine, Psychology, Vision Science +12

Pigeon Perception of Letters of the Alphabet

Donald S. Blough · Science · 1982 · 110 citations

Medicine, Behavioral Sciences, Psychology +16

Structure and function of the pigeon visual system

William J. Donovan · Physiological Psychology · 1978 · 94 citations · Full text

Medicine, Neurobiology, Neuroscience +12