18 
are measuring shovelers, canvasback, redheads, blue-winged teal, gadwall and 
ruddy ducks on the edge of their ranges, so the percentages recorded are not 
especially significant for these species. 
The brood surveys indicated production was up 133 percent, but we feel 
that this indicated increase was due in large measure to an earlier season than 
in 1951. 
Snow geese and black brant breeding populations on comparable areas 
were up 29 percent and 143 percent respectively, but production was completely 
wiped out on the sample areas. The hatch of snow geese on Banks Island, however, 
appeared to be good. Canada geese increased 39 percent on sample areas and 
production increased considerably. Breeding populations of white-fronted geese 
decreased 14 percent on tundra transects with little or no production being 
recorded. 
