Patches of Bare Ground as a Staple Commodity for Declining Ground-Foraging Insectivorous Farmland Birds

• Michael Schaub,

  Affiliations Division of Conservation Biology, Institute of Ecology and Evolution, University of Bern, Bern, Switzerland, Swiss Ornithological Institute, Sempach, Switzerland

  ⨯
• Nicolas Martinez,

  Affiliation Swiss Ornithological Institute, Sempach, Switzerland

  ⨯
• Aline Tagmann-Ioset,

  Affiliation Division of Conservation Biology, Institute of Ecology and Evolution, University of Bern, Bern, Switzerland

  ⨯
• Nadja Weisshaupt,

  Affiliation Division of Conservation Biology, Institute of Ecology and Evolution, University of Bern, Bern, Switzerland

  ⨯
• Melanie L. Maurer,

  Affiliation Division of Conservation Biology, Institute of Ecology and Evolution, University of Bern, Bern, Switzerland

  ⨯
• Thomas S. Reichlin,

  Affiliations Division of Conservation Biology, Institute of Ecology and Evolution, University of Bern, Bern, Switzerland, Swiss Ornithological Institute, Sempach, Switzerland

  ⨯
• Fitsum Abadi,

  Affiliation Division of Conservation Biology, Institute of Ecology and Evolution, University of Bern, Bern, Switzerland

  ⨯
• Niklaus Zbinden,

  Affiliation Swiss Ornithological Institute, Sempach, Switzerland

  ⨯
• Lukas Jenni,

  Affiliation Swiss Ornithological Institute, Sempach, Switzerland

  ⨯
• Raphaël Arlettaz

  * E-mail: raphael.arlettaz@iee.unibe.ch

  Affiliations Division of Conservation Biology, Institute of Ecology and Evolution, University of Bern, Bern, Switzerland, Swiss Ornithological Institute, Sempach, Switzerland

  ⨯