Hix on New York City Birds. 37 



8. Larus argentatus. — Herring Gull. A very abundant winter 

 resident everywhere. 



9. Larus delawarensis. — Ring-billed Gull. Very common along 

 the coast in October and November. 



10. Sterna hirundo. — Common Tern. A flock of nine at Rocka- 

 way on May 22. 



11. Sula bassana. — Gannet. An adult at Rockaway on Novem- 

 ber 20. 



12. Phalacrocorax diplophus. — Double-crested Cormorant. One 

 at Rockaway on November 20. 



13. Anas obscura. — Black Duck. A flock of twenty-seven seen 

 in the Hudson River on March 12. Common in Central Park in 

 September. 



14. Clangula clangula americana. — American Golden-eye. Four 

 males flew over Bronx Park on October 16. 



15. Oidemia americana. — American Scoter. One at Coney Isl- 

 and on March 5. 



16. Oidemia deglandi. — White-winged Scoter. Common at Rock- 

 away and Coney Island in November. 



17. Branta canadensis. — Canada Goose. Several flocks were 

 seen in the fall. 



18. Ardetta exilis. — Least Bittern. A pair bred on Coney Island. 



19. Ardea herodias. — Great Blue Heron. Two seen at Rugby on 

 July 22. 



20. Butorides virescens. — Green Heron. Common at Rugby in 

 the fall and may breed. 



21. Nycticorax nycticorax naevius. — Black-crowned Night Her- 

 on. Very common summer resident at most bodies of water. 



22. Rallus crepitans. — Clapper Rail. One seen at Rugby on Sep- 

 tember 17. 



23. Porzana Carolina. — Sora. Several seen at Rugby in Sep- 

 tember. 



24. Actodromas maculata. — Pectoral Sandpiper. A flock of seven 

 at Rockaway on May 22, and a flock of six at Rugby on October 8. 



25. Actodromas minutilla. — Least Sandpiper. Three at Rocka- 

 way, May 22. 



26. Totanus melanoleucus. — Greater Yellow-legs. Two at Rug- 

 by, September 17. 



27. Helodromas solitarius. — Solitary Sandpiper. A common mi- 

 grant both on the coast and fresh water streams. 



28. Bartramia longicauda. — Bartramian Sandpiper. Two at Rug- 

 by, September 17. 



29. Actitis macularia. — Spotted Sandpiper. A common migrant 

 wherever there is water. 



30. /Egialitis s-mipalmata. — Semipalmated Plover. Very com- 

 mon at Rockaway on May 22. Several flocks were seen, which at 

 one time united, forming one flock of at least 2000 birds. 



