A family of Clark's Grebes swimming on Santa Margarita Lake, San Luis Obispo County, California, USA.
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/28867468@N08">marlin harms</a>
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/marlinharms/4955293489/">Clark's Grebe Aechmophorus clarkii &amp; Young</a>