下载Great Horned Owl的数据产品
eBird现状和趋势数据产品包括对鸟类分布、多度和环境变量的估计。
多度数据下载
相对多度是1位eBird用户在一天中对各物种的最佳观察时间内，进行1小时前进1千米的计数所记录的个体数量期望值。
多度地图图像
PNG- 多度地图（全年）
周际多度动画
MP4- 周际多度动画
多度地理空间数据（栅格）
TIF 访问密钥已申请- 平均多度栅格（全年）
- 最大多度栅格（全年）
周际多度地理空间数据（栅格）
TIF 访问密钥已申请- Median Abundance Raster (Week of 4日 1月)
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 (全年)
Range Geospatial Data (vector)
GPKG 访问密钥已申请- Range Vector (全年)
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 访问密钥已申请- 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 访问密钥已申请- Trends Vector (Trends product not available for selected species)
Regional Trends
CSV 访问密钥已申请- 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.
安装R包