Molecular analysis of stomach contents reveals important grass seeds in the winter diet of Baird's and Grasshopper sparrows, two declining grassland bird species

• Mieke Titulaer ,

  Roles Conceptualization, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Visualization, Writing – original draft, Writing – review & editing

  * E-mail: mieke.titulaer@sulross.edu

  Current address: Borderlands Research Institute, Sul Ross State University, Alpine, Texas, United States of America

  Affiliation Facultad de Zootecnia y Ecología, Universidad Autónoma de Chihuahua, Chihuahua, Mexico

  http://orcid.org/0000-0001-8661-158X

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• Alicia Melgoza-Castillo,

  Roles Conceptualization, Funding acquisition, Investigation, Methodology, Resources, Supervision, Writing – original draft

  Affiliation Facultad de Zootecnia y Ecología, Universidad Autónoma de Chihuahua, Chihuahua, Mexico

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• Arvind O. Panjabi,

  Roles Conceptualization, Funding acquisition, Methodology, Resources, Writing – original draft

  Affiliation Bird Conservancy of the Rockies, Fort Collins, Colorado, United States of America

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• Alejandro Sanchez-Flores,

  Roles Formal analysis, Methodology, Software, Visualization, Writing – original draft

  Affiliation Instituto de Biotecnología, Universidad Nacional Autónoma de México, Cuernavaca, Morelos, Mexico

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• José Hugo Martínez-Guerrero,

  Roles Investigation, Methodology, Resources, Writing – original draft

  Affiliation Facultad de Medicina Veterinaria y Zootecnia, Universidad Juárez del Estado de Durango, Durango, Mexico

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• Alberto Macías-Duarte,

  Roles Conceptualization, Funding acquisition, Investigation, Methodology, Writing – original draft

  Affiliation Universidad Estatal de Sonora, Hermosillo, Sonora, Mexico

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• Jesús A. Fernandez

  Roles Methodology, Writing – original draft

  Affiliation Facultad de Zootecnia y Ecología, Universidad Autónoma de Chihuahua, Chihuahua, Mexico

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