Population No. of BBS routes Average trend (95% CI) Relative abundance index (95% CI) Route density (95% CI)
Western Boreal 228 -0.90 (-1.54, -0.27) 0.66 (0.52, 0.84) 1.67 (1.31, 2.11)
Basin Rockies 84 -2.38 (-3.40, -1.30) 0.01 (0.01, 0.02) 0.16 (0.10, 0.25)
Southern Temperate 673 -0.34 (-0.75, 0.06) 0.15 (0.13, 0.17) 0.67 (0.58, 0.78)
Northern Temperate 615 0.67 (0.33, 1.01) 3.70 (3.10, 4.52) 15.16 (12.68, 18.54)
Maritime Provinces 166 -1.26 (-1.73, -0.77) 1.97 (1.57, 2.49) 30.56 (24.33, 38.60)