5O The Ornithology of Chester County 



(Wils-Bull., 70, 48). 



72. Zenaidura macroura carolinensis Mourning 

 Dove, "turtle dove," "wild dove," "wild pigeon." 

 Common summer resident, occasional resident. Ber- 

 wyn arrival and departure. 



Feb. 24 (1906) Apr. 6 (1914); ave. 17 yrs. 

 Mar. 21. 



Sept. 26 (1910) Nov. 30 (1912) ; ave. 13 yrs. 

 Oct. 21. 



The first set of eggs is completed by Apr. 20. 



73. Cathartes aura aeptentrionalis Turkey Vul- 

 ture, "buzzard," "turkey buzzard." Common sum- 

 mer resident, more or less regular resident in the 

 southern part of the county. It has been found nest- 

 ing by Michener, Matlack, Maris (Orn. and Ool., 

 ix, 3) ; Stone (Am. Nat.. 1885, 47) J Pennock, 

 Warren, Jackson, Burns and others, especially on 

 the hills encompassing the Brandywine and Chester 

 valleys. My Berwyn records of first and last seen: 



Mar. 16 (1897) Apr. 13 (1894-1909); ave. 

 15 yrs. Apr. 4. 



Oct. ii (1907) Dec. i (1897-1900); ave. 20 

 yrs. Oct. 23. 



It has also been noted on Jan. 30, 1906, and Feb. 

 25, 1901, doubtless birds that have wintered near 

 by. Nests with eggs are found by May 5 to 20. 



74. Circus hudsonius Marsh Hawk, "bog trot- 

 ter," "hen hawk." Not common transient and 

 rather rare winter resident. It has been noted in the 

 vicinity of Kennett Square, Westtown and West 

 Chester during the winter. A pair of adults were 

 shot at Berwyn, Apr. 20, 1891, and it has been 



