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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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0.010.180.5
Breeding season
5日 4月 - 17日 8月
0.010.180.5
Non-breeding season
19日 10月 - 8日 2月
0.010.180.5
Unavailable seasons: Pre-breeding migration, Post-breeding migration
Seasons timeline
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