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.
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Breeding Season
31日 5月 - 9日 8月
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Non-breeding Season
15日 11月 - 1日 3月
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Pre-breeding Migratory Season
8日 3月 - 24日 5月
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Post-breeding Migratory Season
16日 8月 - 8日 11月
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Layer Opacity
Seasons Timeline
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Regional Stats
Custom Shapes Stats
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