IV-463 



herring gulls, horned grebe, loon, purple sandpiper, cor- 

 morant, clapper rail, and kildeer. 



" Biologists estimated through reports and observations 

 that at the time when the count of dead birds in the Har- 

 bor area was completed, an addi tonal 3,000 ducks had been 

 affected. Of the total 4,000 birds affected, including 

 995 known dead at the end of the first week after census- 

 ing was started, it was estimated that 2,860, or 72 per- 

 cent consisted of scaup, 500, or 12 percent of black ducks, 

 includinq only a few mallard and baldpate; 340, or 9 per- 

 cent goldeneyes, and the remaining 7 percent were mads up 

 of 85 canvasbacks, 80 scoters, 90 old squaw, 30 bufflehead, 

 and 15 mergansers, 



"Spot checks of hnuter bags were made from December 22, 



1960, through the end of the gunning season on January 7, 



1961. These bag checks, which were taken in an area ex- 

 tendinq approximately 20 miles both east and west from the 

 New Haven Harbor, disclosed 135 oiled ducks of the 358 

 ducks killed, or aoproximately 52 percent oiled ucks for 

 the entire area, During the period from December 22 to 

 December 31, 1960, 55 percent of 293 ducks killed were 

 oiled. Durinn the period from January 2. through January 

 7, 1961, 35 percent of 65 birds killed were oiled. 



" During the aerial inventory of waterfowl by Department 



