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.
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.
