Why do animal eyes have pupils of different shapes? Banks, M. S. ; Sprague, W. W. ; Schmoll, J. ; Parnell, J. A. Q. ; Love, G. D. Abstract Publication: Science Advances Pub Date: August 2015 DOI: 10.1126/sciadv.1500391 Bibcode: 2015SciA....1E0391B