卫星图
期望数量
Relative abundance is depicted for each season along a color gradient from a light color indicating lower relative abundance to a dark color indicating a higher relative abundance. 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.
了解更多Breeding Season
31日 5月 - 12日 7月
00.060.47
Non-breeding Season
1日 11月 - 22日 3月
00.060.47
Pre-breeding Migratory Season
29日 3月 - 24日 5月
00.060.47
Post-breeding Migratory Season
9日 8月 - 25日 10月
00.060.47
Layer Opacity
Seasons Timeline
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Regional Stats
Custom Shapes Stats
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Draw a shape on the map to generate a summary table or chart for that custom area of interest.