Greater Snow Goose population monitoring at Cap Tourmente National Wildlife Area

Greater Snow Geese are back at the Cap Tourmente National Wildlife Area.
 

Note:

Latest count of Greater Snow Geese at Cap Tourmente: 33,000 on 28 October 2021

Since 1978, the Cap Tourmente National Wildlife Area (NWA) has witnessed a spectacular increase in the Greater Snow Goose population. Indeed, at the beginning of the century, the population was only about 3,000 birds but now there are close to 1 million. The Cap Tourmente NWA was created to ensure this species’ survival. During their biennial journey between the Atlantic coast and the Far North, Greater Snow Geese stop in this area where they feed on American Bulrush rhizomes and also grain in the fields.

At high tide, Greater Snow Geese are sometimes nearer to the shore and more numerous in the fields; observation is thus much easier (tide tables).

The Greater Snow Geese surveys done at Cap Tourmente NWA over the last two falls (Figure 1) show a peak abundance around mid-October. Up to 43,700 Greater Snow Geese were counted in 2020.

Figure 1 : Number of Greater Snow Geese at Cap Tourmente NWA for 2019, 2020 and 2021

Chart

Data for this graph are available in the long description

Long description
Table 1 : Number of Greater Snow Geese at Cap Tourmente NWA for 2019, 2020 and 2021
Legend: TBA = to be announced; NA = not available
Date 2019 2020 2021
September 13 3,000 NA NA
September 14 NA NA NA
September 15 NA 1,500 NA
September 16 NA NA 1,100
September 17 NA NA NA
September 18 NA NA NA
September 19 NA 8,500 NA
September 20 5,200 NA NA
September 21 NA NA NA
September 22 NA NA NA
September 23 NA NA 4,600
September 24 4,000 11,200 NA
September 25 NA NA 6,500
September 26 NA NA NA
September 27 8,400 NA NA
September 28 NA 18,000 NA
September 29 NA NA NA
September 30 8,500 NA NA
October 1 NA 22,000 9,000
October 2 6,500 19,400 6,300
October 3 8,500 NA 8,800
October 4 14,900 NA 18,400
October 5 NA 29,000 36,500
October 6 NA 36,000 22,000
October 7 27,100 37,000 33,000
October 8 19,300 25,500 35,000
October 9 5,100 17,300 56,500
October 10 4,500 26,300 40,000
October 11 10,000 33,100 55,200
October 12 16,500 17,000 NA
October 13 25,000 21,500 NA
October 14 34,500 26,700 51,200
October 15 NA 43,700 30,000
October 16 NA 40,000 NA
October 17 27,800 NA NA
October 18 29,000 NA 17,100
October 19 NA 29,800 29,500
October 20 NA 25,900 26,000
October 21 23,800 NA 19,400
October 22 15,600 21,700 17,300
October 23 NA NA 19,500
October 24 25,400 32,000 31,000
October 25 28,500 NA 28,000
October 26 NA 25,200 NA
October 27 NA 21,500 24,800
October 28 NA 18,000 33,000
October 29 NA 9,200 NA
October 30 NA 10,000 NA
October 31 NA NA NA
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