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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, 2 kilometer traveling checklist at the optimal time of day for each species.
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0.040.30.96
Breeding Season
12日 7月 - 12日 7月
0.040.30.96
Non-breeding Season
15日 2月 - 8日 3月
0.040.30.96
Pre-breeding Migratory Season
22日 3月 - 26日 4月
0.040.30.96
Post-breeding Migratory Season
1日 11月 - 29日 11月
0.040.30.96
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Seasons Timeline
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