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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
7日 6月 - 2日 8月
00.10.97
Non-breeding Season
6日 12月 - 29日 3月
00.10.97
Pre-breeding Migratory Season
5日 4月 - 31日 5月
00.10.97
Post-breeding Migratory Season
9日 8月 - 22日 11月
00.10.97
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Seasons Timeline
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