Trend results for Olive-sided Flycatcher

A comprehensive assessment of this species' status is available, on the Status of Birds in Canada web site, or for waterfowl, in the most recent report on the Migratory game bird hunting.

Trend results can be filtered by selecting a new time period.


View definitions of the trend results table columns.

Select a geographic area name in the first column to view graphs of annual indices and maps of the regions included in the analysis. Use the scroll bar to view additional columns.

Short-term trend estimates for Olive-sided Flycatcher in all regions of Canada
Geographic area Time period Annual trend Limits Overall reliability N routes Reliability details Probability of decrease Probability of increase Population change Population change - lower limit Population change - upper limit Probability of population change during time period
Lower Upper Geographic coverage Local data weight Precision >50% decrease 25%-50% decrease 0%-25% decrease 0%-33% increase 33%-100% increase >100% increase
Canada; Short-term 2009-2019 0.944 -1.44 3.82 Medium 556 0.473 1 5.26 0.231 0.769 9.85 -13.5 45.4 0 0.001 0.23 0.687 0.082 0
Alberta; Short-term 2009-2019 -6.35 -9.96 -2.57 Low 63 0.399 1 7.39 1 0 -48.1 -65 -22.9 0.43 0.534 0.036 0 0 0
British Columbia; Short-term 2009-2019 -0.124 -2.25 2.02 Medium 116 0.427 1 4.27 0.548 0.452 -1.24 -20.3 22.1 0 0.005 0.544 0.448 0.004 0
Manitoba; Short-term 2009-2019 -2.62 -8.32 3.6 Low 31 0.398 1 11.9 0.806 0.194 -23.3 -58 42.5 0.081 0.391 0.334 0.155 0.038 0.001
New Brunswick; Short-term 2009-2019 -6.86 -11.9 -1.38 Low 30 0.959 1 10.5 0.995 0.005 -50.9 -71.7 -13 0.528 0.402 0.065 0.005 0 0
Newfoundland and Labrador; Short-term 2009-2019 5.78 0.435 11.5 Low 16 0.55 1 11.1 0.018 0.982 75.5 4.44 197 0 0.001 0.017 0.134 0.539 0.309
Northwest Territories; Short-term 2009-2019 4.13 -3.31 12.6 Low 12 0.091 1 15.9 0.151 0.849 49.9 -28.6 228 0.004 0.032 0.115 0.236 0.371 0.242
Nova Scotia and Prince Edward Island; Short-term 2009-2019 -6.43 -10.1 -2.7 Low 33 0.958 1 7.38 1 0 -48.6 -65.5 -24 0.441 0.527 0.031 0 0 0
Ontario; Short-term 2009-2019 2.63 -2.23 7.74 Low 104 0.693 1 9.97 0.143 0.857 29.6 -20.2 111 0 0.014 0.129 0.399 0.417 0.041
Québec; Short-term 2009-2019 1.57 -3.69 6.96 Low 89 0.489 1 10.6 0.289 0.711 16.8 -31.3 96 0.001 0.048 0.241 0.406 0.284 0.021
Saskatchewan; Short-term 2009-2019 -1.9 -10.3 7.8 Low 11 0.283 1 18.1 0.652 0.348 -17.5 -66.4 112 0.141 0.271 0.24 0.194 0.122 0.032
Yukon; Short-term 2009-2019 -5.84 -8.9 -2.61 Medium 39 0.395 1 6.28 1 0 -45.2 -60.6 -23.2 0.314 0.651 0.035 0 0 0
Northwestern Interior Forest (BCR 4); Short-term 2009-2019 -5.29 -8.22 -2.24 Medium 43 0.312 1 5.97 1 0 -41.9 -57.6 -20.3 0.175 0.766 0.059 0 0 0
Northern Pacific Rainforest (BCR 5); Short-term 2009-2019 0.403 -3.12 4.2 Low 34 0.439 1 7.32 0.407 0.593 4.11 -27.1 50.9 0 0.037 0.37 0.492 0.101 0
Boreal Taiga Plains (BCR 6); Short-term 2009-2019 1.64 -4.12 8.58 Low 79 0.322 1 12.7 0.309 0.691 17.7 -34.3 128 0.003 0.067 0.239 0.33 0.308 0.053
Taiga Shield and Hudson Plains (BCR 7); Short-term 2009-2019 4.88 -1.9 12.7 Low 12 0.048 1 14.6 0.083 0.917 61 -17.5 229 0 0.011 0.072 0.211 0.436 0.27
Boreal Softwood Shield (BCR 8); Short-term 2009-2019 1.42 -2.09 5.1 Low 86 0.472 1 7.19 0.211 0.789 15.1 -19 64.4 0 0.008 0.203 0.571 0.216 0.002
Great Basin (BCR 9); Short-term 2009-2019 -2.51 -6.87 1.82 Low 25 0.935 1 8.69 0.876 0.124 -22.5 -50.9 19.7 0.031 0.411 0.434 0.117 0.008 0
Northern Rockies (BCR 10); Short-term 2009-2019 0.189 -2.7 3.11 Medium 61 0.513 1 5.8 0.443 0.557 1.9 -23.9 35.8 0 0.021 0.423 0.525 0.032 0
Prairie Potholes (BCR 11); Short-term 2009-2019 -4.46 -12 3.72 Low 14 0.334 1 15.7 0.871 0.129 -36.6 -72 44.1 0.282 0.377 0.212 0.092 0.034 0.003
Boreal Hardwood Transition (BCR 12); Short-term 2009-2019 -4.1 -7.32 -0.792 Medium 97 0.793 1 6.53 0.992 0.008 -34.2 -53.3 -7.64 0.058 0.71 0.224 0.008 0 0
Lower Great Lakes / St. Lawrence Plain (BCR 13); Short-term 2009-2019 -2.68 -9.85 5.47 Low 18 0.538 1 15.3 0.745 0.255 -23.8 -64.5 70.4 0.143 0.341 0.261 0.173 0.073 0.009
Atlantic Northern Forest (BCR 14); Short-term 2009-2019 -7.04 -9.76 -4.1 Medium 87 0.945 1 5.66 1 0 -51.8 -64.2 -34.2 0.591 0.406 0.002 0 0 0
Canada (Taiga Shield and Hudson Plains (BCR 7)); Short-term 2009-2019 4.88 -1.9 12.7 Low 12 0.048 1 14.6 0.083 0.917 61 -17.5 229 0 0.011 0.072 0.211 0.436 0.27
Alberta (Boreal Taiga Plains (BCR 6)); Short-term 2009-2019 -10.1 -15.6 -4.44 Low 40 0.366 1 11.1 1 0 -65.6 -81.6 -36.5 0.893 0.101 0.005 0 0 0
Alberta (Northern Rockies (BCR 10)); Short-term 2009-2019 -2.07 -7.39 3.13 Low 13 0.568 1 10.5 0.774 0.226 -18.9 -53.6 36.1 0.039 0.352 0.383 0.195 0.031 0
Alberta (Prairie Potholes (BCR 11)); Short-term 2009-2019 -5.88 -15.4 4.24 Low 10 0.322 1 19.6 0.877 0.123 -45.4 -81.2 51.5 0.441 0.292 0.144 0.08 0.037 0.006
British Columbia (Northwestern Interior Forest (BCR 4)); Short-term 2009-2019 -1.69 -8.32 5.46 Low 4 0.04 1 13.8 0.684 0.316 -15.7 -58.1 70.2 0.071 0.302 0.311 0.212 0.098 0.006
British Columbia (Northern Pacific Rainforest (BCR 5)); Short-term 2009-2019 0.403 -3.12 4.2 Low 34 0.439 1 7.32 0.407 0.593 4.11 -27.1 50.9 0 0.037 0.37 0.492 0.101 0
British Columbia (Boreal Taiga Plains (BCR 6)); Short-term 2009-2019 -4.3 -11.1 2.77 Low 5 0.258 1 13.9 0.876 0.124 -35.6 -69.3 31.4 0.246 0.412 0.218 0.101 0.022 0.001
British Columbia (Great Basin (BCR 9)); Short-term 2009-2019 -2.51 -6.87 1.82 Low 25 0.935 1 8.69 0.876 0.124 -22.5 -50.9 19.7 0.031 0.411 0.434 0.117 0.008 0
British Columbia (Northern Rockies (BCR 10)); Short-term 2009-2019 0.325 -2.67 3.33 Medium 48 0.51 1 6 0.413 0.587 3.3 -23.7 38.8 0 0.019 0.394 0.543 0.044 0
Manitoba (Boreal Taiga Plains (BCR 6)); Short-term 2009-2019 -8.15 -13.9 -2.22 Low 11 0.463 1 11.7 0.996 0.004 -57.3 -77.6 -20.1 0.684 0.277 0.035 0.004 0 0
Manitoba (Boreal Softwood Shield (BCR 8)); Short-term 2009-2019 -2.18 -8.71 4.61 Low 10 0.137 1 13.3 0.746 0.254 -19.8 -59.8 57 0.088 0.338 0.319 0.184 0.065 0.004
Manitoba (Prairie Potholes (BCR 11)); Short-term 2009-2019 -3.04 -13.2 7.86 Low 4 0.398 1 21.1 0.712 0.288 -26.6 -75.8 113 0.25 0.267 0.195 0.149 0.105 0.034
Manitoba (Boreal Hardwood Transition (BCR 12)); Short-term 2009-2019 1.49 -4.14 6.97 Low 6 0.983 1 11.1 0.3 0.7 15.9 -34.5 96.1 0.001 0.067 0.232 0.388 0.292 0.02
New Brunswick (Atlantic Northern Forest (BCR 14)); Short-term 2009-2019 -6.86 -11.9 -1.38 Low 30 0.959 1 10.5 0.995 0.005 -50.9 -71.7 -13 0.528 0.402 0.065 0.005 0 0
Newfoundland and Labrador (Boreal Softwood Shield (BCR 8)); Short-term 2009-2019 5.78 0.435 11.5 Low 16 0.55 1 11.1 0.018 0.982 75.5 4.44 197 0 0.001 0.017 0.134 0.539 0.309
Northwest Territories (Boreal Taiga Plains (BCR 6)); Short-term 2009-2019 4.13 -3.31 12.6 Low 12 0.224 1 15.9 0.151 0.849 49.9 -28.6 228 0.004 0.032 0.115 0.236 0.371 0.242
Ontario (Boreal Softwood Shield (BCR 8)); Short-term 2009-2019 3.66 -1.73 9.28 Low 36 0.625 1 11 0.093 0.907 43.3 -16 143 0 0.008 0.085 0.295 0.503 0.109
Ontario (Boreal Hardwood Transition (BCR 12)); Short-term 2009-2019 -6.13 -10.9 -1.51 Low 57 0.847 1 9.38 0.994 0.006 -46.9 -68.4 -14.1 0.404 0.511 0.078 0.006 0 0
Ontario (Lower Great Lakes / St. Lawrence Plain (BCR 13)); Short-term 2009-2019 -3.68 -13.7 6.49 Low 11 0.47 1 20.2 0.765 0.235 -31.2 -77.2 87.6 0.272 0.29 0.202 0.132 0.085 0.018
Québec (Boreal Softwood Shield (BCR 8)); Short-term 2009-2019 3.86 -2.72 10.7 Low 24 0.262 1 13.4 0.133 0.867 46.1 -24.1 175 0.001 0.023 0.109 0.251 0.454 0.163
Québec (Boreal Hardwood Transition (BCR 12)); Short-term 2009-2019 -4.42 -9.95 1.12 Low 34 0.742 1 11.1 0.941 0.059 -36.4 -64.9 11.8 0.209 0.495 0.237 0.052 0.007 0
Québec (Lower Great Lakes / St. Lawrence Plain (BCR 13)); Short-term 2009-2019 -2.92 -13.1 7.84 Low 7 0.747 1 20.9 0.701 0.299 -25.6 -75.4 113 0.238 0.266 0.196 0.151 0.116 0.033
Québec (Atlantic Northern Forest (BCR 14)); Short-term 2009-2019 -10.1 -16.5 -3.51 Low 24 0.889 1 13 0.997 0.003 -65.4 -83.5 -30 0.844 0.138 0.015 0.002 0 0
Saskatchewan (Boreal Taiga Plains (BCR 6)); Short-term 2009-2019 -1.9 -10.3 7.8 Low 11 0.283 1 18.1 0.652 0.348 -17.5 -66.4 112 0.141 0.271 0.24 0.194 0.122 0.032
Yukon (Northwestern Interior Forest (BCR 4)); Short-term 2009-2019 -5.84 -8.9 -2.61 Medium 39 0.395 1 6.28 1 0 -45.2 -60.6 -23.2 0.314 0.651 0.035 0 0 0
Nova Scotia and Prince Edward Island (Atlantic Northern Forest (BCR 14)); Short-term 2009-2019 -6.43 -10.1 -2.7 Low 33 0.958 1 7.38 1 0 -48.6 -65.5 -24 0.441 0.527 0.031 0 0 0

This web site may be cited as: Smith, A.C., Hudson, M-A.R. Aponte, V.I., and Francis, C.M. 2020. North American Breeding Bird Survey - Canadian Trends Website, Data-version 2019. Environment and Climate Change Canada, Gatineau, Quebec, K1A 0H3

Any use of these BBS results for Canada should acknowledge the hundreds of skilled volunteers in Canada who have participated in the BBS over the years and those who have served as provincial or territorial coordinators for the BBS.

  1. Smith, A. C., & Edwards, B. P. M. (2020). North American Breeding Bird Survey status and trend estimates to inform a wide range of conservation needs, using a flexible Bayesian hierarchical generalized additive model. The Condor, duaa065. https://doi.org/10.1093/ornithapp/duaa065
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