Hans-Joachim Bischof is Professor of Behavioral Physiology at the University of Bielefeld, Germany.
The visual capacities of birds rival even those of primates, and their visual system probably reflects the operation of a ground plan common to all vertebrates.
55 Hayward Street
Cambridge, MA 02142-1315 USA
Suite 2, 1 Duchess Street
London, W1W 6AN, UK