Products
Download Data Products for Snowy Owl
eBird Status and Trends Data Products include estimates of species ranges, abundances, and environmental associations.
Abundance Downloads
Relative abundance is the estimated average count of individuals detected by an eBirder during a 1 hour, 2 kilometer traveling checklist at the optimal time of day for each species.
Abundance Map Images
PNG- Abundance Map (All Seasons)
- Abundance Map (Breeding Season)
- Abundance Map (Non-breeding Season)
- Abundance Map (Pre-breeding Migration Season)
- Abundance Map (Post-breeding Migration Season)
Weekly Abundance Animation
MP4- Weekly Abundance Animation
Abundance Geospatial Data (raster)
TIF Access Key Required- Mean Abundance Raster (All Seasons)
- Max Abundance Raster (All Seasons)
- Mean Abundance Raster (Breeding Season)
- Max Abundance Raster (Breeding Season)
- Mean Abundance Raster (Non-breeding Season)
- Max Abundance Raster (Non-breeding Season)
- Mean Abundance Raster (Pre-breeding Migration Season)
- Max Abundance Raster (Pre-breeding Migration Season)
- Mean Abundance Raster (Post-breeding Migration Season)
- Max Abundance Raster (Post-breeding Migration Season)
Weekly Abundance Geospatial Data (raster)
TIF Access Key Required- Median Abundance Raster (Week of 4. jan)
Range Downloads
The range defined as the areas where the species is estimated to occur within at least one week within each season.
Range Map Images
PNG- Range Map (All Seasons)
- Range Map (Breeding Season)
- Range Map (Non-breeding Season)
- Range Map (Pre-breeding Migration Season)
- Range Map (Post-breeding Migration Season)
Range Geospatial Data (vector)
GPKG Access Key Required- Range Vector (All Seasons)
Regional Range and Abundance Downloads
Regional statistics related to relative abundance and range boundaries (species presence). Full downloads of this data for all regions are available.
Regional Range and Abundance Stats
CSV Access Key Required- Regional range and abundance summaries (all regions)
Trends Downloads
Trends maps depict the cumulative change in estimated relative abundance over time with circles representing 27km x 27km regions.
Trends Map Images
PNG- Trends Map (Trends product not available for selected species)
Trends Geospatial Data (vector)
GPKG Access Key Required- Trends Vector (Trends product not available for selected species)
Regional Trends
CSV Access Key Required- Regional Trend Summaries (all regions)
Advanced Analysis
We provide the ebirdst R package to help access, manipulate, and analyze these data. Use of the R package requires an access key tied to your eBird username, which you can get by reading and agreeing to our updated eBird Products Terms of Use.
Install R Package