UNIVERSITY OF CALIFORNIA 



(GRINNELL-STORERI PLATE 44 



Tlic jiriiiciiial diuiual l)inl.s of prey of the Vosoniiti' ri'^jioii, as soon 

 ovcM'hcad in flitrht : 



(/. .M;n>h Flawk, male adult. /. Sliaip shiiiiu'<l Hawk, male adult. 



/>. Western (ioshawk, male adidt. //. Cooper JIawk, male adult. 



v. Western Ked-tailed Hawk, male adult. //. Swaiiii-oii Hawk, male ailult. 



(I. (!olden Kajjle, immature. /. American Sparrow Hawk, male adidt. 



i\ Turkey \'ultuie, adult. /. I'raiiie Kalcon, female ail.ilt. 



I'or coniiiaratiNe descriptions ami accounts, see text, pp. l27!>-i!!H). 



