Eastern North America acoustic monitoring transect
American Redstart Black-and-white Warbler Black-throated Blue Warbler Canada Warbler Cape May Warbler Chestnut-sided Warbler Chipping Sparrow Common Yellowthroat Hooded Warbler Indigo Bunting type Lincoln's/Swamp Sparrow complex Mourning Warbler Northern Parula Northern Waterthrush Ovenbird Palm Warbler Savannah Sparrow White-crowned Sparrow White-throated Sparrow Wilson's Warbler "Zeep" complex" "Double up" complex
The data consist of the ratios of the total calls of a species category to all warbler and sparrow calls recorded at a station during the week - note that the y-axis has variable scale. Species data are preliminary classifications. Refinement of data may occur and will be indicated by updated dates on graphs. "Zeep" complex species this week include Magnolia Warbler, Blackburnian Warbler, and Bay-breasted Warbler. "Double up" complex species include Tennessee Warbler and Black-throated Green Warbler.
Flight calls and more information about each station are accessible from the Daily data page.