Kaulquappe des Amerikanischen Ochsenfrosches (<i>Rana catesbeiana</i>) und die Mundregion
<p>The original uploader was <a href="https://en.wikipedia.org/wiki/de:User:TomCatX" class="extiw" title="w:de:User:TomCatX">TomCatX</a> at <a href="https://en.wikipedia.org/wiki/de:" class="extiw" title="w:de:">German Wikipedia</a>.<br></p>
(<span lang="en" dir="ltr">Original text: <i><bdi lang="">jbgrant</bdi></i></span>)
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(<span lang="en" dir="ltr">Original text: <i><bdi lang="">2001</bdi></i></span>)
<a rel="nofollow" class="external text" href="https://fisc.er.usgs.gov/c1258_Dodd/html/tadpoles.html">U.S. Geological Survey</a>