Eastern North America acoustic monitoring transect

Weekly species data through September 28

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.