BIRDS OBSERVED AT WASHINGTON, D. C. 35 



Pintail. — Winter Visitant, October to April. 



Mallard. — Common Winter VLsitant. 



Green-winged Teal. — Common Winter Visitant, September 

 to Ai)ril. 



Blue-winged Teal.— Connuon Winter Visitant, September 

 to April. 



Canada Goose. — Winter Visitant, and rather common 

 Transient Visitant, October to April. 



Great Blue Heron. — Rather connnon, absent only in mid- 

 winter. 



Little Green Heron. — Very common Summer Resident, 

 April 15 to Sei)tember. 



American Bittern. — Not uncommon Summer Resident ; 

 occasional in winter. 



Sora. — Common Transient Visitant, March ; July to No- 

 vember. 



Clapper Rail. — Accidental; one record. 



American Coot. — Common Transient Visitant, March to 

 May ; September to October 15. 



Woodcock. — Rather common from February to November; 

 a few winter. 



Spotted Sandpiper.— Common Transient Visitant ; not com- 

 uion Summer Resident, April 5 to September 30. 



Wilson's Snipe. — Common Transient Visitant, March to 

 May ; September to November ; occasional in winter. 



Semipalmated Sandpiper. — Rare Transient Visitant, May ; 

 August to October. 



Killdeer. — Permanent Resident, most abundant in migra- 

 tions. 



Semipalmated Plover. — Casual, three specimens. May ; Au- 

 gust. 



Bob- white. — Common Permanent Resident. 



Ruil'ed Grouse. — Not connnon Permanent Resident. 



Mourning Dove. — Permanent Resident, connnon except in 

 winter. 



Turkey Vulture. — Abundant Permanent Resident. 



Red-shouldered Hawk. — Common Permanent Resident. 



Red-tailed Hawk. — Common Winter Visitant; rare Sum- 

 mer Resident. 



