Rosetta Stone to the Warblers Ovenbird Worm-eating Warbler Louisiana Waterthrush Northern Waterthrush Golden-winged Warbler Blue-winged Warbler Black-and-white Warbler Prothonotary Warbler Swainson’s Warbler Tennessee Warbler (Seiurus aurocapilla) (Helmitheros vermivorum) (Parkesia motacilla) (Parkesia noveboracensis) (Vermivora chrysoptera) (Vermivora cyanoptera) (Mniotilta varia) (Protonotaria citrea) (Limnothlypis swainsonii) (Oreothlypis peregrina) Orange-crowned Warbler Colima Warbler Lucy’s Warbler Nashville Warbler Virginia’s Warbler Connecticut Warbler MacGillivray’s Warbler Mourning Warbler Kentucky Warbler Common Yellowthroat (Oreothlypis celata) (Oreothlypis crissalis) (Oreothlypis luciae) (Oreothlypis ruficapilla) (Oreothlypis virginiae) (Oporornis agilis) (Geothlypis tolmiei ) (Geothlypis philadelphia) (Geothlypis formosa) (Geothlypis trichas) Hooded Warbler American Redstart Kirtland’s Warbler Cape May Warbler Cerulean Warbler Northern Parula Magnolia Warbler Bay-breasted Warbler Blackburnian Warbler Yellow Warbler (Setophaga citrina) (Setophaga ruticilla) (Setophaga kirtlandii) (Setophaga tigrina) (Setophaga cerulea) (Setophaga americana) (Setophaga magnolia) (Setophaga castanea) (Setophaga fusca) (Setophaga petechia) Chestnut-sided Warbler Blackpoll Warbler Black-throated Palm Warbler Pine Warbler Yellow-rumped Warbler Yellow-throated Warbler Prairie Warbler Grace’s Warbler Black-throated (Setophaga pensylvanica) (Setophaga striata) Blue Warbler (Setophaga palmarum) (Setophaga pinus) (Setophaga coronata) (Setophaga dominica) (Setophaga discolor) (Setophaga graciae) Gray Warbler (Setophaga caerulescens) (Setophaga nigrescens) Spectrograms and photographs of 48 spe- cies of North American migrant warblers in phylogenetic sequence. Scale lines = 7 kHz, 50 msec The Rosetta Stone to the Warblers was compiled by Andrew Farn- sworth, Cornell Lab of Ornithology, in collaboration with Michael Lanzone, Cellular Tracking Technologies, Michael O’Brien, and William R. Evans, Oldbird, Inc. Some calls courtesy of Evans, W. R. and O’Brien, M. 2002. Flight calls of migratory birds: eastern North American landbirds. CD-ROM. Oldbird, Inc., Ithaca, NY. Taxonomy Townsend’s Warbler Hermit Warbler Golden-cheeked Warbler Black-throated Canada Warbler Wilson’s Warbler Red-faced Warbler Painted Redstart follows Lovette et al. 2010. Molecular Phylogenetics and Evolution (Setophaga townsendi) (Setophaga occidentalis) (Setophaga chrysoparia) Green Warbler (Cardellina canadensis) (Cardellina pusilla) (Cardellina rubrifrons) (Myioborus pictus) 57:753–770. (Setophaga virens) Photos courtesy of Danny Bales, Sarah Beckwith (NPS), Roy Brown, Herbert Clark, Gerry Dewaghe, Bill Dyer, Laura Erickson, Joan Gellatly, Michael J. Hopiak, Craig Kern, Lora Render, Lois Manowitz, Mike McDowell, David McNicholas, Sharon Richards, Cameron Rognan, Ed Schneider, Van Truan..