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Keywords from Image Description:
Haeckel Chiroptera Plecotus auritus . Plecotus auritus Geoffroy Linnaeus head from front Brown Longeared Bat Detail of the th plate from Ernst Haeckel's Kunstformen der Natur creator Ernst Haeckel Haeckel Chiroptera PDold Bats in art Kunstformen der Natur derivative Plecotus auritus illustrations Vespertilionidae heads Bats