Tree Swallow

Hirondelle bicolore · Tachycineta bicolor · Family Hirundinidae
Density map of Tree Swallow
Density map of Tree Swallow (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 lancover for Tree Swallow

    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

    • 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

    Boreal Avian Modelling Project, 2020. BAM Generalized National Models Documentation, Version 4.0. Available at https://borealbirds.github.io/. DOI: 10.5281/zenodo.4018335. [Results for Tree Swallow (Tachycineta bicolor)]