CHAPTER XVik 
ENEMIES OF DUCKS. 
BIRDS. 
Corvus Americanus—CoM MON CROW :—Eats both eggs 
and young on the ground. 
Circus Hudsonius—MARSH HARRIER. 
Buteo Borealis—RED-TAILED HAWK. 
Buteo Borealis Krideri—K RIDER'S HAWK. 
Buteo Lineatus—RED-SHOULDERED HAWK. 
Buteo Swainsoni—-SwAINSON’S HAWK. 
Buteo Latissimus—BROAD-WINGED HAWK. 
Archibuteo Lagopus — AMERICAN ROUGH-LEGGED 
HAWK. 
Archibuteo Ferrugineus — FrERRUGINOUS RouGH- 
LEGGED HAWK. 
Halietus Leucocephalus—B ALD EAGLE. 
Bubo Virginianus—GrEAT HORNED OWL. 
Syrnium Nebuloswm—BARRED OWL. 
Scotiapter Cinerea—GREAT GRAY OWL. 
Asio Accipitrinus—-SHORT-EARED OWL. 
Strix Pratincola—AMERICAN BARN OWL. 
Falco Sfarverits—SPARROW HAWK. 
Lanis Borealis—GREAT NORTHERN SHRIKE. 
Lamus Ludovicianus Excubitorides—W HITE-RUMPED 
SHRIKE. 
(The three latter occasionally kill the young ducks 
soon after they are hatched.) 
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