Misleading Population Estimates: Biases and Consistency of Visual Surveys and Matrix Modelling in the Endangered Bearded Vulture

Open Access

Peer-reviewed

Research Article

Antoni Margalida ,

* E-mail: antoni.margalida@iee.unibe.ch

Affiliations Bearded Vulture Study and Protection Group, El Pont de Suert, Lleida, Spain, Division of Conservation Biology, Institute of Ecology and Evolution, University of Bern, Bern, Switzerland
⨯
Daniel Oro,

Affiliation Institut Mediterrani d’Estudis Avançats IMEDEA, CSIC-UIB, Esporles, Spain
⨯
Ainara Cortés-Avizanda,

Affiliations Department of Ecological Modelling, Helmholtz Centre for Environmental Research-UFZ, UFZ, Leipzig, Germany, Department of Conservation Biology, Estación Biológica de Doñana, CSIC, Sevilla, Spain
⨯
Rafael Heredia,

Affiliation Somió, Gijón, Spain
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José A. Donázar

Affiliation Department of Ecological Modelling, Helmholtz Centre for Environmental Research-UFZ, UFZ, Leipzig, Germany
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