Wourms, M. K., and F. E. Wasserman. 1985. Prey choice by blue jays based on movement patterns of artificial prey. Canadian Journal of Zoology 63:781-784.
Wourms, M. K., and F. E. Wasserman. 1985. Prey choice by blue jays based on movement patterns of artificial prey. Canadian Journal of Zoology 63:781-784.