No. 20.] THE BIRDS OF CONNECTICUT. 83 



Family FALCONID^. Falcons, Caracaras, etc. 

 Subfamily Falconing. Falcons. 



Falco rusticolus obsoletus Gmelin. Black Gyrfalcon. 



There are only two records for this state: Winter, 1879, 

 west of Stamford ( % mile over the boundary in New York State, 

 but probably driven there from Connecticut by the northeast gale 

 then raging), killed by Dr. Chas. Rowell (seen by L. B. B.) ; 

 Jan. 27, 1907, Durham, female shot by A. Banks (in coll. of 

 J.H. S.).^ 



Falco peregrinus anatum Bonaparte. Duck Hawk. 



A rare but probably regular fall migrant; a very rare sum- 

 mer resident. 



Fall migration. Earliest record. New Haven, Sept. 29, 1903 ; 

 Lyme, Sept. 14, 1895 (W. E. T.). Latest record. Guilford, 

 Oct. 30, 1907 (L. C. S.). 



Winter records. Feb. 23, 1876, Milford (Grinnell) •?■ Jan. 

 19, 1894, Stamford (in coll. of Porter). 



Spring records. April 30, 1886, Portland, male shot (in coll. 

 of J. H. S.) ; May 9, 1888, Mt. Carmel (Webb and Searles) ; 

 May 9, 1899, Mt. Carmel (Bernard) ; May, 1900, Hamden 

 (Osborne) ; spring, 1910, Mt. Carmel (H. K. J. and Buttrick). 



Nest. Eggs laid on a shelf of some precipitous cliff. 



Eggs. 2-4; early in May. 



Breeding records. May 25, 1861, Talcott Mt., near Hart- 

 ford, four young (Moses, recorded -in Hartford Times, June 29, 

 1861, and by Merriam) f summer, 1863, same locality, two pairs 

 breeding (Dr. Wood) f May i, 1872, Talcott Mt., three eggs 

 taken by P. H. Woodford (J. H. S.) ; May 9, 1888, Mt. Carmel, 

 three eggs (Webb and Searles, in coll. of L. B. B.) ; May 9, 1899, 

 Mt. Carmel, two eggs (Bernard, in coll. of L. B. B.) ; spring, 

 1910, Mt. Carmel, one pair and empty nest (H. K. J. and But- 

 trick) . 



Falco columbarius columbarius Linnaeus. Pigeon Hawk. 

 A tolerably common spring and fall migrant, most abundant 

 in October. Occasional in winter. 



^Auk, xxvi, 4, pp. 429-430. 

 'Merriam, Birds of Conn., pp. 81-2. 

 'Samuels, Birds of New England, p. 11. 



