42 CHECK LIST OF THE 



GENUS AQUILA. 

 (*) (349) Golden Eagle. 



(Aquila chrysaetos.) 



An irregular visitor to southern Ontario, probably resident in the 

 unsettled north country. 



GENUS HALI^ETUS. 

 (352) Bald Eagle. 



(Haliaeetus leucocephalus alascanus.) 



A resident species which until a few years ago regularly bred in 

 certain localities along the shores of our lakes, but which has now re- 

 tired to the quiet of the interior to raise its young, visiting southern On- 

 tario in winter. 



SUBFAMILY FALCONING. (FALCONS.) 



GENUS FALCO. 



1(353) White Gyrfalcon. 



(Falco islandus.) 

 An accidental visitor. 



(354) Gray Gyrfalcon. 



(Falco rusticolus.) 

 As rare as the last. 



(356) Duck Hawk. 



(Falco peregrinus anatum.) 



A regular, but not a common, autumn visitor to southern Ontario. 

 Rarely seen in spring. Has been found breeding in eastern Ontario and 

 also in Muskoka. 



(357) Pigeon Hawk. 



(Falco columbarius.) 



Not often seen in the spring, but common in autumn. I have occa- 

 sionally seen it in winter. The great majority go south about the end of 

 September. 



It breeds in the unsettled districts of the interior from Muskoka 

 northward. 



(360) Sparrow Hawk. 



(Falco sparverius.) 



A common summer resident, breeds throughout its range. Arrives 

 early in April, departs about the end of September. 



A very useful bird, feeding on mice and insects chiefly. Two or 

 three times when I have taken these Hawks in early summer, I have found 

 their stomachs filled with cutworms and at the same time noticed that 



