Asio otus Asio otus Otus vulgaris Taxonomic Serial No.: 177932 Long-eared Owl, Búho cara café, hibou moyen-duc, Long-eared owl https://itis.gov/ species Linnaeus, 1758 1758 http://www.wikidata.org/entity/Q25384 | https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=177932 https://digital.lib.ku.edu/ku-gould/11287 Gould, J. (1837). Birds of Europe: printed for the author by R. and J.E. Taylor. ocm04485568 en https://creativecommons.org/publicdomain/mark/1.0/ StillImage Taxon University of Kansas, Kenneth Spencer Research Library kus http://id.worldcat.org/fast/530405 | http://id.worldcat.org/fast/1828350 ku 2018-02-02