Hvitøret silkeape. Foto: <a rel="nofollow" class="external text" href="https://www.flickr.com/people/76760698@N08">Luciano Marra</a> from São Paulo, Brasil - <a rel="nofollow" class="external text" href="https://www.flickr.com/photos/marraluc/8521517719/">Sagui-de-tufo-branco (Callithrix jacchus)</a>, CC BY-SA 2.0, Link