Trend results for Red-headed Woodpecker

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 Red-headed Woodpecker 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 2013-2023 11.5 7.25 16 Low 100 0.876 1 8.77 0 1 197 91.6 331 0 0 0 0 0.023 0.977
Manitoba; Short-term 2013-2023 12.3 7.81 17.3 Low 43 0.955 1 9.46 0 1 219 98.3 374 0 0 0 0 0.016 0.984
Ontario; Short-term 2013-2023 5.41 0.752 10.2 Low 57 0.855 1 9.41 0.008 0.992 69.4 2.39 156 0 0.00025 0.00775 0.133 0.619 0.24
Boreal Taiga Plains (BCR 6); Short-term 2013-2023 14.5 8.29 21.4 Low 10 1 1 13.1 0 1 287 94.8 545 0 0 0 0 0.014 0.986
Prairie Potholes (BCR 11); Short-term 2013-2023 9.09 5.01 13.5 Low 29 0.943 1 8.47 0 1 139 49 233 0 0 0 0.004 0.182 0.814
Boreal Hardwood Transition (BCR 12); Short-term 2013-2023 8.5 2.35 14.1 Low 13 0.84 1 11.8 0.002 0.998 126 20.2 267 0 0 0.002 0.026 0.306 0.666
Lower Great Lakes / St. Lawrence Plain (BCR 13); Short-term 2013-2023 2.23 -2.53 6.99 Low 48 0.935 1 9.52 0.183 0.817 24.7 -28.6 87.4 0.00025 0.01875 0.164 0.43 0.3662 0.0208
Manitoba (Boreal Taiga Plains (BCR 6)); Short-term 2013-2023 14.5 8.29 21.4 Low 10 1 1 13.1 0 1 287 94.8 545 0 0 0 0 0.014 0.986
Manitoba (Prairie Potholes (BCR 11)); Short-term 2013-2023 9.09 5.01 13.5 Low 29 1 1 8.47 0 1 139 49 233 0 0 0 0.004 0.182 0.814
Manitoba (Boreal Hardwood Transition (BCR 12)); Short-term 2013-2023 8.85 1.56 16.7 Low 4 0.803 1 15.1 0.0085 0.992 133 2.08 335 0 0.00025 0.00825 0.044 0.282 0.666
Ontario (Boreal Hardwood Transition (BCR 12)); Short-term 2013-2023 8.25 1.64 14.5 Low 9 0.799 1 12.8 0.00575 0.994 121 16.4 283 0 0 0.00575 0.041 0.321 0.632
Ontario (Lower Great Lakes / St. Lawrence Plain (BCR 13)); Short-term 2013-2023 2.23 -2.53 6.99 Low 48 0.935 1 9.52 0.183 0.817 24.7 -28.6 87.4 0.00025 0.01875 0.164 0.43 0.3662 0.0208

This web site may be cited as: Smith, A.C., Hudson, English, W.B., and Francis, C.M. 2025. North American Breeding Bird Survey - Canadian Trends Website, Data-version 2023. 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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