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       

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

Proportion of Zeep complex night flight calls among all warbler and sparrow night flight calls (nfcs). Comparison of the mean from 2012-2014 with 2015.

Daily datapoints are mid-week dates of weekly call totals, for example the first data in 2015 (Aug 13) indicates the proportion of ZEEP nfcs in the accrued calling during the seven-day period from 9pm Aug 10 through 5am Aug 17.


2012-2014 VARIANCE


zeep cOMPLEX Spectrographic Examples


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


* Zeep complex at this location includes Yellow Warbler, Cerulean Warbler, Blackburnian Warbler, Magnola Warbler, Bay-breasted Warbler, Connecticut Warbler, Blackpoll Warbler,

in addition to small numbers of Canada Warbler, Northern Waterthrush, and Cape May Warbler.