Wrinkled hornbill at Zoo Negara, Malaysia.
<ul><li><a href="//commons.wikimedia.org/wiki/File:Aceros_corrugatus_-Zoo_Negara_-Malaysia-8a.jpg" title="File:Aceros corrugatus -Zoo Negara -Malaysia-8a.jpg">Aceros_corrugatus_-Zoo_Negara_-Malaysia-8a.jpg</a>: <a rel="nofollow" class="external text" href="https://www.flickr.com/photos/26942860@N06">Mahbob Yusof</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>
CC BY 2.0
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/26942860@N06/3923084515">Wrinkled hornbill (Aceros corrugatus)</a> and uploaded to commons at <a href="//commons.wikimedia.org/wiki/File:Aceros_corrugatus_-Zoo_Negara_-Malaysia-8a.jpg" title="File:Aceros corrugatus -Zoo Negara -Malaysia-8a.jpg">Aceros_corrugatus_-Zoo_Negara_-Malaysia-8a.jpg</a>