Table 2. Ivory Gull colony locations, counts in 2004–2006, and maximum recorded colony sizes from surveys or literature. Island Latitude Longitude Birds counted at the colony Maximum size 2004 2005 2006 Ellesmere 76.38 84.97 0 0 0 287 Ellesmere 76.71 80.13 0 0 0 70 Ellesmere 76.80 80.26 0 0 0 90 Ellesmere 77.18 79.59 0 2 0 4 Ellesmere 76.86 79.75 0 0 0 20 Ellesmere 76.83 79.85 0 0 0 19 Ellesmere 76.82 79.84 0 0 0 20 Ellesmere 76.80 79.92 0 0 0 28 Ellesmere 76.76 79.92 0 0 0 28 Ellesmere 76.73 79.90 0 0 0 2 Ellesmere 76.71 80.00 0 0 0 2 Ellesmere 76.69 80.06 0 1 0 11 Ellesmere 76.79 80.42 0 0 0 70 Ellesmere 77.44 79.35 0 0 0 Ellesmere 77.45 79.23 0 0 0 125 Ellesmere 77.32 79.17 0 0 0 Ellesmere 77.72 78.35 0 0 0 Ellesmere 77.73 78.37 2 0 0 2 Ellesmere 77.76 78.45 0 0 0 Ellesmere 77.75 78.32 0 0 0 Ellesmere 77.77 78.23 50 23 0 50 Ellesmere 77.72 78.35 2 0 0 2 Ellesmere 77.73 78.38 42 1 0 42 Ellesmere 77.12 79.89 0 0 0 1 Ellesmere 77.06 79.94 0 0 0 2 Ellesmere 77.12 79.91 0 1 Ellesmere 77.12 79.93 0 0 Ellesmere 77.17 79.33 0 0 0 50 Ellesmere 76.94 80.51 0 0 Ellesmere 76.94 80.52 0 0 0 60 Ellesmere 77.02 80.59 0 0 0 1 Ellesmere 77.02 80.57 0 0 0 24 Ellesmere 79.97 76.92 15 Ellesmere 78.18 78.83 131 92 100 131 Ellesmere 77.65 78.67 25 25 Ellesmere 76.91 80.29 2 2 Ellesmere 78.13 79.02 150 150 Ellesmere 78.08 79.12 20 20 Ellesmere 77.82 79.60 150 150 Ellesmere 77.93 79.44 200 200 Ellesmere 77.94 79.47 50 50 Devon 75.47 81.37 0 0 0 25 Devon 75.34 80.74 0 2 1 30 Devon 74.95 81.00 0 30 Devon 75.80 90.82 3 0 3 Devon 74.77 80.70 6 Seymour 76.80 101.27 120 110 143 351 Cornwallis 75.08 94.25 7 0 7 Baffin 73.66 87.48 0 0 0 75 Baffin 73.66 87.55 0 0 0 175 Baffin 73.62 87.66 0 0 0 6 Baffin 73.64 87.61 0 0 37 Baffin 73.58 87.87 0 0 0 45 Baffin 73.48 87.77 0 0 0 13 Baffin 73.47 87.90 0 0 0 84 Baffin 73.31 88.63 0 0 0 130 Baffin 73.30 88.57 0 0 0 45 Baffin 73.27 88.65 0 0 0 25 Baffin 73.53 87.67 0 0 18 Baffin 73.53 87.87 0 0 0 30 Baffin 73.51 86.91 0 0 0 35 Baffin 73.65 87.30 1 0 0 20 Baffin 73.32 87.91 54 0 1 55 Baffin 73.42 86.35 0 0 0 26 Baffin 73.42 87.55 0 0 0 7 Note: For cases for which the maximum size is absent, the colonies are known from the literature, but original counts were not available and no gulls were observed in 2002–2006.