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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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全年
0.021.35.1
Breeding season
17日 5月 - 17日 8月
0.021.35.1
Non-breeding season
7日 12月 - 22日 3月
0.021.35.1
Pre-breeding migratory season
29日 3月 - 10日 5月
0.021.35.1
Post-breeding migratory season
24日 8月 - 30日 11月
0.021.35.1
Seasons timeline
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Regional stats

Basemap

Modeled area
(0 abundance)
No prediction

eBird data from 2006-2020. Estimated for 2020.

Fink, D., T. Auer, A. Johnston, M. Strimas-Mackey, O. Robinson, S. Ligocki, W. Hochachka, L. Jaromczyk, C. Wood, I. Davies, M. Iliff, L. Seitz. 2021. eBird Status and Trends, Data Version: 2020; Released: 2021. Cornell Lab of Ornithology, Ithaca, New York. https://doi.org/10.2173/ebirdst.2020