An adult spotted dove (<a href="https://en.wikipedia.org/wiki/Spilopelia_chinensis" class="extiw" title="en:Spilopelia chinensis">Spilopelia chinensis</a>) with puffed-up feathers. Note the puffed up feathers; it was keeping itself warm.
<a href="//commons.wikimedia.org/wiki/User:GerifalteDelSabana" title="User:GerifalteDelSabana">GerifalteDelSabana</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>