Curly features make the Sebastopol Goose unique. This saddleback coloring is extra rare. This is a female adult goose.
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/13945871@N00">Davee</a>
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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/13945871@N00/2419420049">Saddleback Sebastopol Goose Tail feathers</a>