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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, 1 kilometer traveling checklist at the optimal time of day for each species.
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0.020.392
Breeding season
14日 6月 - 3日 8月
0.020.392
Non-breeding season
21日 12月 - 11日 1月
0.020.392
Pre-breeding migratory season
18日 1月 - 7日 6月
0.020.392
Post-breeding migratory season
10日 8月 - 14日 12月
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Seasons timeline
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