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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 - 13日 7月
00.1218
Pre-breeding Migratory Season
12日 4月 - 17日 5月
00.1218
Post-breeding Migratory Season
20日 7月 - 21日 12月
00.1218
Unavailable Seasons: Non-breeding
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Seasons Timeline
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