46 BIRDS OF EASTERN MASSACHUSETTS 



*354a. G-yrfalcon Falco rusticolus gyrfdlco Linne*. 

 Very rare W. V. from North. Jan. Feb. 



354b. Black Gyrfalcon Falco rusticolus obsoletus 

 Gmelin. Very rare W. V. from North. Oct. -Mar. 11. 

 Four records. 



356a. Duck Hawk. Falco peregrinus dnatum Bon- 

 aparte. Rare M. except at times directly on the sea-shore; 

 casual in winter, May 24 ; Sept. 19* Oct. 9; winter. Open 

 country, preying on water - and shore-birds. 



357. Pigeon Hawk Falco columbdrius Linn6. 

 Rather common M. and occasional W. R. April 10 -May 

 16. Sept. 7 -Nov. 24; winter. Open country; isolated 

 trees; woods. 



*359.1 Kestrel. Falco tinnunculus Linne*. Accidental 

 from Old World. One record. Sept. Nantasket Beach. 



36O. Sparrow Hawk Falco sparverius sparverius 

 Linne. Scarce M. ; not uncommon S. R. ; occasional 

 W. R. near coast. Mar. 20 - Nov. 8; winter. On dead trees 

 and branches in fields, clearings and thin woods. Nest in 

 tree-cavity, rarely in building. Eggs, April 27 - May 26. 



PANDIONID^S. OSPBEYS. 



364. Osprey ; Fish Hawk Pandion halidetus caro- 

 linensis (Gmelin.) Common M. Mar.) April 2 -May 29; 

 Aug. 26 - Nov. 11. Common S. R. in Bristol Co., and for- 

 merly bred in Ipswich and Georgetown. Sea-coasts, lakes 

 and rivers. Nest in tree. Eggs, May 8 - July. 



ALUCONID^E. BARN OWLS. 



365. Barn Owl Aluco pratincola (Bonaparte). 

 Accidental from South. May -Dec. Open country. Hides 

 and nests in hollow trees and buildings. 



STRIGLTXE. HORNED OWLS, ETC. 



366. Long-eared Owl ; Cat Owl Asio wilsonidnus 

 (Lesson). Rare P. R. ; sometimes not nncommon in fall 

 and winter. Secluded woods and swamps. Nest in tree, 

 usually in old crow's nest. Eggs, April 1 - May 14. 



367. Short-eared Owl; Marsh Owl Asio fldm- 

 meus (Pontoppidan). Uncommon migrant, mainly near 

 coast; rare W. and S. R. Mar. 15- April 15; summer; 

 Sept. 24 -Nov. 30; winter. Open country, among the tall 

 grass of meadows, marshes, and dunes. Nest on ground. 



