Cygnus olor (Mute Swan), juvenile in flight. Photo taken near Vanhankaupunginlahti, Finland. The location is listed in Ramsar "List of Wetlands of International Importance". This bird is just about to land. Note the dark and somewhat curious colours of this adolscent bird, which will later turn bright white with orange beak.
<a href="//commons.wikimedia.org/wiki/User:Thermos" title="User:Thermos">Thermos</a> edited by <a href="//commons.wikimedia.org/wiki/User:XN" title="User:XN">Guido Gerding</a>
<span class="int-own-work" lang="en">Own work</span>