A Black Bulbul at Prague Zoo, Czechoslovakia. It is the white-headed morph of the nominate subspecies.
<ul><li><a href="//commons.wikimedia.org/wiki/File:Hypsipetes_leucocephalus_-Prague_Zoo-8a.jpg" title="File:Hypsipetes leucocephalus -Prague Zoo-8a.jpg">Hypsipetes_leucocephalus_-Prague_Zoo-8a.jpg</a>: <a rel="nofollow" class="external text" href="https://www.flickr.com/photos/27620892@N05">Nigel van Houten</a></li>
<li>derivative work: <a href="//commons.wikimedia.org/wiki/User:Snowmanradio" title="User:Snowmanradio">Snowmanradio</a> (<a href="//commons.wikimedia.org/wiki/User_talk:Snowmanradio" title="User talk:Snowmanradio"><span class="signature-talk">talk</span></a>)</li></ul>
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<table class="layouttemplate" style="margin: 0.5em auto; width: 100%; background-color: #f8f8f8; border: 2px solid #e0e0e0; padding: 5px;" lang="en" dir="ltr"><tbody><tr><td style="padding:5px;"><div class="wpImageAnnotatorControl wpImageAnnotatorOff"><a href="//commons.wikimedia.org/wiki/File:Applications-graphics.svg" class="image"><img alt="Applications-graphics.svg" src="https://upload.wikimedia.org/wikipedia/commons/thumb/7/76/Applications-graphics.svg/45px-Applications-graphics.svg.png" decoding="async" width="45" height="45" srcset="https://upload.wikimedia.org/wikipedia/commons/thumb/7/76/Applications-graphics.svg/68px-Applications-graphics.svg.png 1.5x, https://upload.wikimedia.org/wikipedia/commons/thumb/7/76/Applications-graphics.svg/90px-Applications-graphics.svg.png 2x" data-file-width="48" data-file-height="48"></a></div>
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<td style="width:100%;">This  is a <i><b><a href="https://en.wikipedia.org/wiki/Image_editing" class="extiw" title="w:Image editing">retouched picture</a></b></i>, which means that it has been digitally altered from its original version. Modifications: <i>Cropped on three sides to a square</i>. The original can be viewed here: <b><a href="//commons.wikimedia.org/wiki/File:Hypsipetes_leucocephalus_-Prague_Zoo-8a.jpg" title="File:Hypsipetes leucocephalus -Prague Zoo-8a.jpg">Hypsipetes leucocephalus -Prague Zoo-8a.jpg</a>: <a href="//commons.wikimedia.org/wiki/File:Hypsipetes_leucocephalus_-Prague_Zoo-8a.jpg" class="image"><img alt="Hypsipetes leucocephalus -Prague Zoo-8a.jpg" src="https://upload.wikimedia.org/wikipedia/commons/thumb/3/37/Hypsipetes_leucocephalus_-Prague_Zoo-8a.jpg/24px-Hypsipetes_leucocephalus_-Prague_Zoo-8a.jpg" decoding="async" width="24" height="16" class="thumbborder" srcset="https://upload.wikimedia.org/wikipedia/commons/thumb/3/37/Hypsipetes_leucocephalus_-Prague_Zoo-8a.jpg/36px-Hypsipetes_leucocephalus_-Prague_Zoo-8a.jpg 1.5x, https://upload.wikimedia.org/wikipedia/commons/thumb/3/37/Hypsipetes_leucocephalus_-Prague_Zoo-8a.jpg/48px-Hypsipetes_leucocephalus_-Prague_Zoo-8a.jpg 2x" data-file-width="4752" data-file-height="3164"></a></b>. Modifications made by <a href="//commons.wikimedia.org/wiki/User:Snowmanradio" title="User:Snowmanradio">Snowmanradio</a>.
<p><span class="layouttemplateargs" style="display:none;speak:none;" title="template=Retouched+picture 1%3DCropped+on+three+sides+to+a+square 2%3DHypsipetes+leucocephalus+-Prague+Zoo-8a.jpg 3%3DSnowmanradio 4%3D 5%3D"> </span>
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</td></tr></tbody></table>originally posted to <b><a href="//commons.wikimedia.org/wiki/Flickr" class="mw-redirect" title="Flickr">Flickr</a></b> as <a rel="nofollow" class="external text" href="https://www.flickr.com/photos/27620892@N05/3341459793">Black Bulbul (Hypsipetes leucocephalus)</a> and uploaded to commons at <a href="//commons.wikimedia.org/wiki/File:Hypsipetes_leucocephalus_-Prague_Zoo-8a.jpg" title="File:Hypsipetes leucocephalus -Prague Zoo-8a.jpg">Hypsipetes_leucocephalus_-Prague_Zoo-8a.jpg</a>