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Acoustic monitoring station at Chatham, NY

(click graph to change station)

American Redstart        Black-and-white Warbler        Black-throated Blue Warbler        Canada Warbler        Cape May Warbler        Common Yellowthroat        Chestnut-sided Warbler        Double-up complex       

Mourning Warbler        Northern Parula        Northern Waterthrush        Ovenbird        Savannah Sparrow        Wilson's Warbler        Zeep complex

Proportion of Double-up complex night flight calls among all warbler and sparrow night flight calls (nfcs). Comparison of the mean from 2012-2015 with 2016.

Daily datapoints are mid-week dates of weekly ratios, for example the first data (Aug 13) indicates the proportion of this species' nfcs among the accrued calling during the seven-day period from 9pm Aug 10 through 5am Aug 17.

 

2012-2015 VARIANCE

 

Double-up complex Spectrographic Examples

 

7-night warbler and sparrow call totals: 2012    2013    2014    2015    2016

 

* Double-up complex primarily includes Tennessee Warbler, Black-throated Green Warbler, Nashville Warbler and Orange-crowned Warbler.