Assertion: wren's crown | /r/HasProperty | sported by bird
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text: This fable was already known to Aristotle (Historia Animalium 9.11) and Pliny (Natural History 10.95), and was taken up by medieval authors such as Johann Geiler von Kaisersberg, but it most likely originally concerned kinglets (Regulus) and was apparently motivated by the yellow "crown" sported by these birds (a point noted already by Ludwig Uhland).