Grey Heron
<ul><li><div class="legend" style="direction:ltr;line-height:23px;"><div class="legend-content" style="display:inline-block;vertical-align:top;box-sizing:border-box;width:34px;height:23px;overflow:hidden;font-size:15px;border:thin solid #333;background:#00FF00;color:#202122;text-align:center;"> </div> summer</div></li>
<li><div class="legend" style="direction:ltr;line-height:23px;"><div class="legend-content" style="display:inline-block;vertical-align:top;box-sizing:border-box;width:34px;height:23px;overflow:hidden;font-size:15px;border:thin solid #333;background:#008000;color:#202122;text-align:center;"> </div> all year</div></li>
<li><div class="legend" style="direction:ltr;line-height:23px;"><div class="legend-content" style="display:inline-block;vertical-align:top;box-sizing:border-box;width:34px;height:23px;overflow:hidden;font-size:15px;border:thin solid #333;background:#0080FF;color:#202122;text-align:center;"> </div> winter</div></li></ul>
<a href="//commons.wikimedia.org/wiki/User:MPF" title="User:MPF">MPF</a>
CC BY 2.5
<span class="int-own-work" lang="en">Own work</span>