/span>
<span class="r-in"><span><span class="va">species</span> <span class="op">&lt;-</span> <span class="fu"><a href="https://rdrr.io/r/base/c.html" class="external-link">c</a></span><span class="op">(</span><span class="st">"Blackburnian Warbler"</span>, <span class="st">"Poecile atricapillus"</span>,</span></span>
<span class="r-in"><span>             <span class="st">"american dipper"</span>, <span class="st">"Caribou"</span>, <span class="st">"hudgod"</span><span class="op">)</span></span></span>
<spa