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The Cornell Lab of Ornithology builds the eBird global platform for communities and partners around the world to advance data-driven science, education, and conservation.

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Trends 2012-2022

Ugalketa sasoia, 31 mai. - 28 eka.

This map depicts the cumulative change in estimated relative abundance from 2012 through 2022 with circles representing 27km x 27km regions. Red indicates decline and blue indicates increase. The darker the color, the stronger the trend. White circles represent locations where the trend estimate is not significantly different from zero (i.e., the 80% confidence interval contains zero). Circle sizes are scaled by the estimated relative abundance at the middle of the time period.

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Regional Trend

Range-wide Trend (Confidence Intervals)

80% confidence interval, or range of values where the model is fairly confident the true trend could be, with it being most likely near the median value. Gehiago ikasi

−% 0,3 Upper
−% 3,7 Median
−% 6,3 Lower

Basemap

Inside Modeled Seasonal Range
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Outside Modeled Seasonal Range

Fink, D., T. Auer, A. Johnston, M. Strimas-Mackey, S. Ligocki, O. Robinson, W. Hochachka, L. Jaromczyk, C. Crowley, K. Dunham, A. Stillman, I. Davies, A. Rodewald, V. Ruiz-Gutierrez, C. Wood. 2023. eBird Status and Trends, Data Version: 2022; Released: 2023. Cornell Lab of Ornithology, Ithaca, New York. https://doi.org/10.2173/ebirdst.2022