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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.
了解更多Breeding season
24日 5月 - 2日 8月
0.010.170.99
Non-breeding season
6日 12月 - 15日 2月
0.010.170.99
Pre-breeding migratory season
22日 2月 - 17日 5月
0.010.170.99
Post-breeding migratory season
9日 8月 - 29日 11月
0.010.170.99
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Seasons timeline
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