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
26日 4月 - 13日 9月
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Non-breeding Season
13日 12月 - 8日 2月
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Pre-breeding Migratory Season
15日 2月 - 5日 4月
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Post-breeding Migratory Season
11日 10月 - 6日 12月
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Layer Opacity
Seasons Timeline
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Regional Stats
Custom Shapes Stats
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