Home

Acoustic monitoring station at Chatham, NY

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

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).

Daily datapoints are mid-week dates of weekly call totals, for example the first data point in each year (Aug 13) indicates the proportion of DBUP nfcs in the seven-day period from 9pm Aug 10 through 5am Aug 17.

 

Double-up complex Spectrographic Examples

 

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

 

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