winters in the southeastern United States. We must assume that development of 

 petroleum resources in the southeast presents some hazard to the stability of 

 populations of this species in North America. 



Table 13. Number of dead birds and number and percentage of dead 

 Red-breasted Mergansers found after major oiling incidents. 



Area 



Dates 



Number 

 Number of dead 



of oiled Red- 

 dead breasted 



Percent- 

 age of 

 Red-breast- 

 ed Mergan- 



birds Mergansers sers 



Source 



North Sea coast , 

 Denmark 



Poole Harbour, 

 Dorset, England 



N. Sjaelland, 

 Denmark 



Medway Estuary, 

 Kent, England 



Pagham Harbour 

 area, W. Sussex, 

 England 



Bornholm, 

 Denmark 



Tay Estuary, 

 Scotland 



N. Sealand, 

 Denmark 



Northeast 

 Britain 



Martha's Vine- 

 yard, MA 



E. coast Jutland, 

 Denmark 



Off eastern 

 Canada 



1957-1958 



Jan. 1961 



Feb. -Mar. 

 1965 



Sep. 1966 



Jan. -Feb. 

 1967 



Jan. -Feb. 

 1968 



Mar .-Apr . 

 1968 



Feb . -Mar . 

 1969 



Jan. -Feb. 

 1970 



Feb. 1970 



Feb . -Mar . 

 1970 



Feb . -Apr . 

 1970 



92 (a) 3 3.26 



433 (a,b) 48 11.09 



2,340 (a) 55 2.35 



2,748 (a) 1 0.04 



91 (a,b) 44 48.35 



466 (a) 1 0.21 



1,168 (b) 10 0.86 



2,376 (a) 48 2.02 



10,992 (a,c) 22 0.20 



541 (a) 3 0.55 



1,974 (a) 28 1.42 



1,276 (a,c) 40 3.13 



Joensen 1972a 



Bourne 1968a 



Joensen 1972a 



Bourne 1968a 



Phillips 

 1967 



Joensen 1972a 



Greenwood and 

 Keddie 1968 



Joensen 1972b 



Greenwood et 

 al. 1971 



CSLP 1971 



Joensen 1972b 



Brown et 

 al. 1973 



431 



