Hermit Thrush

Grive solitaire · Catharus guttatus · Family Turdidae
Density map of Hermit Thrush
Density map of Hermit Thrush (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 Hermit Thrush

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)
Canada56
(54.3 — 58.2)		0.0901
(0.0874 — 0.0936)		6.21
4 Northwestern Interior Forest3.22
(2.96 — 3.43)		0.0591
(0.0541 — 0.0629)		0.546
5 Northern Pacific Rainforest1.17
(1.03 — 1.28)		0.086
(0.0758 — 0.0938)		0.136
6 Boreal Taiga Plains9.84
(9.34 — 10.4)		0.0831
(0.0789 — 0.0876)		1.18
7 Taiga Shield & Hudson Plains15.8
(14.6 — 17.3)		0.106
(0.0983 — 0.116)		1.49
8 Boreal Softwood Shield16
(15.4 — 16.5)		0.121
(0.117 — 0.125)		1.32
9 Great Basin0.431
(0.403 — 0.452)		0.0781
(0.073 — 0.0819)		0.0552
10 Northern Rockies2.72
(2.65 — 2.87)		0.0732
(0.0712 — 0.0769)		0.372
11 Prairie Potholes0.404
(0.332 — 0.458)		0.0091
(0.0075 — 0.0103)		0.444
12 Boreal Hardwood Transition3.76
(3.63 — 3.89)		0.101
(0.0974 — 0.104)		0.373
13 Lower Great Lakes/St. Lawrence Plain0.281
(0.269 — 0.295)		0.0276
(0.0264 — 0.029)		0.102
14 Atlantic Northern Forest2.49
(2.38 — 2.58)		0.128
(0.122 — 0.132)		0.195
6-0 Boreal Taiga Plains, South4.56
(4.41 — 4.96)		0.0603
(0.0584 — 0.0656)		0.756
6-1 Boreal Taiga Plains, North5.22
(4.81 — 5.67)		0.122
(0.112 — 0.133)		0.428
7-0 Taiga Shield & Hudson Plains, West6.24
(5.72 — 6.7)		0.111
(0.102 — 0.119)		0.561
7-1 Taiga Shield & Hudson Plains, East9.39
(8.66 — 10.8)		0.102
(0.0937 — 0.117)		0.925
8-0 Boreal Softwood Shield, West3.84
(3.66 — 4.03)		0.11
(0.105 — 0.116)		0.348
8-1 Boreal Softwood Shield, Ontario4.76
(4.5 — 5.03)		0.12
(0.114 — 0.127)		0.395
8-2 Boreal Softwood Shield, East6.34
(6.05 — 6.76)		0.134
(0.128 — 0.143)		0.473
8-3 Boreal Softwood Shield, Newfoundland0.945
(0.784 — 1.04)		0.1
(0.083 — 0.11)		0.0945

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 Hermit Thrush (Catharus guttatus)]