A small colony of these birds is nesting near a waterfall in Intervales NP
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/30818542@N04">Francesco Veronesi</a> from Italy
CC BY-SA 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/francesco_veronesi/12812168335/">Sooty Swift at nest - Intervales NP - Brazil_S4E0547</a>