Pre-whaling genetic diversity and population ecology in eastern Pacific gray whales: insights from ancient DNA and stable isotopes. by S Elizabeth Alter, Seth D Newsome, Stephen R Palumbi

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Stable hydrogen isotope variability within and among plumage tracts (δ2HF) of a migratory wood warbler. by Gary R Graves, Seth D Newsome, Marilyn L Fogel

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Editorial: New frontiers in the application of stable isotopes to ecological and ecophysiological research by Keith A. Hobson, Keith A. Hobson, John P. Whiteman, Seth D. Newsome

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Meta‐analysis of primary producer amino acid δ15N values and their influence on trophic position estimation by Matthew D. Ramirez, Alexi C. Besser, Seth D. Newsome, Kelton W. McMahon

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A Guide to Using Compound-Specific Stable Isotope Analysis to Study the Fates of Molecules in Organisms and Ecosystems by John P. Whiteman, Emma A. Elliott Smith, Alexi C. Besser, Seth D. Newsome

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Use of amino acid isotope analysis to investigate capital versus income breeding strategies in migratory avian species by Nico Lübcker, John P. Whiteman, Oliver N. Shipley, Keith A. Hobson, Seth D. Newsome

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Physiology Drives Reworking of Amino Acid δ2H and δ13C in Butterfly Tissues by Kaycee E. Morra, Seth D. Newsome, Gary R. Graves, Gary R. Graves, Marilyn L. Fogel

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Agricultural input modifies trophic niche and basal energy source of a top predator across human-modified landscapes by André C. Pereira, André C. Pereira, Christy J. Mancuso, Seth D. Newsome, Gabriela B. Nardoto, Guarino R. Colli

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Estimating blue whale skin isotopic incorporation rates and baleen growth rates: Implications for assessing diet and movement patterns in mysticetes. by Geraldine Busquets-Vass, Seth D Newsome, John Calambokidis, Gabriela Serra-Valente, Jeff K Jacobsen, Sergio Aguíñiga-García, Diane Gendron

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Reductions in the dietary niche of southern sea otters (Enhydra lutris nereis) from the Holocene to the Anthropocene by Emma A. Elliott Smith, Martin Tim Tinker, Emily L. Whistler, Douglas J. Kennett, René L. Vellanoweth, Diane Gifford‐Gonzalez, Mark G. Hylkema, Seth D. Newsome

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Using stable isotopes to measure the dietary responses of Costa Rican forest birds to agricultural countryside by Çağan H. Şekercioğlu, Çağan H. Şekercioğlu, Çağan H. Şekercioğlu, Çağan H. Şekercioğlu, Melissa J. Fullwood, Thure E. Cerling, Thure E. Cerling, Federico Oviedo Brenes, Gretchen C. Daily, Paul R. Ehrlich, Page Chamberlain, Seth D. Newsome

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A multi-isotope approach reveals seasonal variation in the reliance on marine resources, production of metabolic water, and ingestion of seawater by two species of coastal passerin... by Lucas Navarrete, Lucas Navarrete, Nico Lübcker, Felipe Alvarez, Felipe Alvarez, Roberto Nespolo, Roberto Nespolo, Roberto Nespolo, Juan Carlos Sanchez-Hernandez, Karin Maldonado, Zachary D. Sharp, John P. Whiteman, Seth D. Newsome, Pablo Sabat, Pablo Sabat

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Sex- and age-specific migratory strategies of blue whales in the northeast Pacific Ocean by Christina Blevins, Geraldine Busquets-Vass, Geraldine Busquets-Vass, Mario A. Pardo, Diane Gendron, Jeff K. Jacobsen, Francisco Gómez-Díaz, Héctor Pérez-Puig, Christian Daniel Ortega-Ortiz, Gisela Heckel, Jorge Urbán R, Lorena Viloria-Gómora, Seth D. Newsome

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Fishers' Ecological Knowledge and Stable Isotope Analysis Reveal Mangrove Estuaries as Key Developmental Habitats for Critically Endangered Sea Turtles by Kathryn R. Wedemeyer-Strombel, Jeffrey A. Seminoff, Michael J. Liles, Ramón Neftali Sánchez, Sofía Chavarría, Melissa Valle, Eduardo Altamirano, Velkiss Gadea, Nicolas Hernandez, Markus J. Peterson, Kerri J. Smith, Clive N. Trueman, Tarla Rai Peterson, Seth D. Newsome

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Integrative Physiological Responses to Acute Dehydration in the Rufous-Collared Sparrow: Metabolic, Enzymatic, and Oxidative Traits by Lucas Navarrete, Lucas Navarrete, Francisco Bozinovic, Isaac Peña-Villalobos, Isaac Peña-Villalobos, Carolina Contreras-Ramos, Carolina Contreras-Ramos, Carolina Contreras-Ramos, Juan C. Sanchez-Hernandez, Seth D. Newsome, Roberto F. Nespolo, Roberto F. Nespolo, Roberto F. Nespolo, Pablo Sabat, Pablo Sabat

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Infrastructure to factorially manipulate the mean and variance of precipitation in the field by Jennifer A. Rudgers, Anthony Luketich, Melissa Bacigalupa, Lauren E. Baur, Scott L. Collins, Kristofer M. Hall, Enqing Hou, Marcy E. Litvak, Yiqi Luo, Tom E. X. Miller, Seth D. Newsome, William T. Pockman, Andrew D. Richardson, Alex Rinehart, Melissa Villatoro‐Castañeda, Brooke E. Wainwright, Samantha J. Watson, Purbendra Yogi, Yu Zhou

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