Practical Bias Correction in Aerial Surveys of Large Mammals: Validation of Hybrid Double-Observer with Sightability Method against Known Abundance of Feral Horse (Equus caballus) Populations

• Bruce C. Lubow ,

  Contributed equally to this work with: Bruce C. Lubow, Jason I. Ransom

  Current address: 1821 Willow Springs Way, Fort Collins, Colorado, 80528, United States of America

  Affiliation Natural Resource Ecology Laboratory, Colorado State University, Fort Collins, Colorado, 80523, United States of America

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• Jason I. Ransom

  Contributed equally to this work with: Bruce C. Lubow, Jason I. Ransom

  * E-mail: Jason_I_Ransom@nps.gov

  Current address: National Park Service, North Cascades National Park, Sedro-Woolley, Washington, 98284, United States of America

  Affiliation U.S. Geological Survey, Fort Collins Science Center, Fort Collins, Colorado, 80526, United States of America

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