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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0.020.250.85
Breeding Season
7日 6月 - 26日 7月
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Non-breeding Season
29日 11月 - 8日 2月
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Pre-breeding Migratory Season
8日 3月 - 31日 5月
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Post-breeding Migratory Season
2日 8月 - 22日 11月
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Seasons Timeline
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