<p>Observed on Grover Beach.  
The Forster's Tern, Sterna forsteri, breeds inland in North America and winters south to the Caribbean and northern South America.
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Reference - &lt;a href="<a class="external free" href="https://en.wikipedia.org/wiki/Forster's_Tern">http://en.wikipedia.org/wiki/Forster's_Tern</a>" rel="nofollow"&gt;en.wikipedia.org/wiki/Forster's_Tern&lt;/a&gt;
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/32541690@N02">Alan Vernon</a>
CC BY 2.0
<a href="//commons.wikimedia.org/wiki/Flickr" class="mw-redirect" title="Flickr">Flickr</a>: <a rel="nofollow" class="external text" href="https://www.flickr.com/photos/32541690@N02/3916416522">Juvenile Forster's Tern (Sterna forsteri),  (2 of 3)</a>