The PBS show &quot;The cat in the Hat&quot;[1] has an episode on these small beasts (episode 202[2]).<p><pre><code>  [1] http:&#x2F;&#x2F;pbskids.org&#x2F;catinthehat&#x2F;video&#x2F;
  [2] http:&#x2F;&#x2F;www.pbs.org&#x2F;parents&#x2F;catinthehat&#x2F;about_prog_epi_desc_201_210.html</code></pre>