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Powered by eBird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 - 19日 7月
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Non-breeding Season
8日 11月 - 15日 2月
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Pre-breeding Migratory Season
22日 2月 - 24日 5月
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Post-breeding Migratory Season
26日 7月 - 1日 11月
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