You are viewing the archived Version 4.0 Landbird Density & Habitat Models. View the current Version 5.0 models.

Landbird Density & Habitat Models · Version 4.0 archive

Brown Thrasher

Moqueur roux · Toxostoma rufum · Family Mimidae
Density map of Brown Thrasher
Density map of Brown Thrasher (average density, males/ha) Show detections

Land cover associations

Density (males/ha) across Canada and in Bird Conservation Regions within Canada (see Methods)
    Density by land cover for Brown Thrasher

    Population size

    Population size (million males) is based on summing up predictive maps by regions (intervals in parentheses reflect the 5th and 95th percentile of the bootstrap distribution; see Methods)
    RegionAbundance
    (M males)    		Density
    (males/ha)    		Area
    (M km2)

    Data accessibility

    • For additional ways to access and work with current and archived models, visit the current BAM dashboard or use the BAMexploreR R package.
    • Download average density raster layers in GeoTIFF format.
    • Download results in Excel (xlsx) format. Sheets contain abundance and density estimates and also the list of species, variables, variable importance and validation metrics.
    • Access the population size and density estimates via the JSON API.

    Citing these results

    Publication
    Stralberg, D., Sólymos, P., Docherty, T. D. S., Crosby, A. D., Van Wilgenburg, S. L., Knight, E. C., Drake, A., et al. (2025). A generalized modeling framework for spatially extensive species abundance prediction and population estimation. Ecosphere, 16(10), e70405. https://doi.org/10.1002/ecs2.70405.

    Model version — Landbird Density & Habitat (v4 archive)
    Sólymos, P., D. Stralberg, and E. C. Knight. 2025. BAM Generalized National Models Documentation (Version 4.0) [Data set]. Zenodo, DOI: 10.5281/zenodo.4018335. [Results for Brown Thrasher (Toxostoma rufum)]

    Questions about these results? Contact the Boreal Avian Modelling Centre.