(24) 



331. Circus htidsonhis (Linn.) — Marsh Hawk. An abundant resident, 

 breeding late in May. 



332. Accipitcr vclox ( Wils. ) — Sharp-shinned Hawk. Common in fall, 

 winter and sprinjf. 



333. Accipiter cooperii ( Bonap. ) — Cooper's Hawk. Somewhat rare. 

 Several seen in fall of '99. 



334. Accipitcr atricapillus ( Wils. ) —American Goshawk. Somewhat 

 common as a winter resident. 



337. Buteo borealis (Gmel. ) — Red-tailed Hawk. Not common. Sev- 

 eral seen Oct. 6, '99. 



339. Biiteo lineatus ( Gmel. )— Red-shouldered Hawk. Rare. Oct. 6, 

 '98. 



342. Bnfco sivainsoni Bonap. — Swainson's Hawk. Migratory, com- 

 mon; summer resident, rare. Saw an immense flock of these hawks on 

 their southward migration Aug. 28, '99. [Cf. Auk XVI, Oct., '99; pp. 352- 

 353] . 



347a. Archibiiteo lagopus sancti-johannis ( Gmel. ) — American Rough- 

 legged Hawk. Rather abundant in fall, winter and spring. 



348. Archibiiteo fcrriiginciis ( Licht. ) — Ferruginous Rough-leg. Rare. 

 One found dead in the brush along the Eikhorn, where it had been left by 

 some hunter, Dec. 25, '99. 



349. Aqiiila c/iryscctos (Linn.) — Golden Eagle. Rare. One shot Mar. 

 11, '97. Another seen during November and December, '98. 



352. HalicFctus Icucoccphaliis (Linn.) — Bald Eagle. Rarely seen. 



356. Falco pcrcgrinus aiiatnm (Bonap.) — Duck Hawk. Very rare. 

 One shot in the spring of '96. 



357. Falco columbarius Linn. — Pigeon Hawk. Common in fall, win- 

 ter and spring. Apr. 27, '98; Sept. 28, '99. 



360. Falco sparvcrius Linn. — American Sparrow Hawk. Abundant 

 in late spring and early fall. 



364. Paiidion haticctus carolincnsis (Gmel.) — American Osprey. Rath- 

 er common in early May and September. 



365. Strix pratincola Bonap. — American Barn Owl. Not txncommon. 



366. Asio ci'ilsonianus ( Less. ) — American Long"-eared Owl. Common 

 resident. Breeds late in March and early in April. 



367. Asio accipitriiius ( Pall. ) — Short-eared Owl. A somewhat com- 

 mon resident, more often seen in late fall. 



372. Nyctala acadica (Gmel.) — Saw-whet Owl. Winter resident, some- 

 what common. 



373. jMcgascops asio (Linn.) — Screech Owl. Resident, not common. 

 Breeds in April. 



375. Bubo virginianus (Gmel.) — Great Horned Owl. Somewhat rare. 

 Seen only in winter. 



375a. Bubo virginianus arcticus ( Swains. ) — Western Horned Owl. 

 Very rare. One seen Apr. 8, '99. 



376. Nyctca nyctca ( Linn. ) — Snowy Owl. After heavy snowstorms 

 in winter. 



378. Spcotyto ciinicularia liypogcra (Bonap.) — Burrowing Owl. An 

 abundant resident. Breeds in April and May. 



387. Coccyzus avicricaiius ( Linn. ) — Yellow-billed Cuckoo. Common 

 summer resident. Arrives May 10 to 20; breeds June 1 to 10; leaves Sept. 

 1 to 10. 



388. Coccyzus crythrophthalmus ( Wils. )— Black-billed Cuckoo. Not 

 so common as last. Migration dates the same, but breeds June 6 to July 4. 



390. Ccryle alcyon (Linn.) — Kingfisher. Summer resident, common. 

 Arrives Apr. 1 to 10; breeds June 1 to 20. Frequently observed in winter. 



393. Dryobatcs villosus (Linn.) — Hairy Woodpecker. An abundant 

 resident. Breeds May 5 to 20. 



394c. Dryobatcs pubcsccns incdianiis ( Swains. ) — Downy Woodpecker. 

 Resident, common. Breeding dates same as last. 



