<a href="//commons.wikimedia.org/wiki/Haliaeetus_leucocephalus" title="Haliaeetus leucocephalus">Haliaeetus leucocephalus</a> (<a href="https://en.wikipedia.org/wiki/Bald_Eagle" class="extiw" title="en:Bald Eagle">Bald Eagle</a>); closeup of the head
<a href="//commons.wikimedia.org/wiki/User:Mathias-S" title="User:Mathias-S">Mathias Stang</a> (<a href="https://no.wikipedia.org/wiki/Bruker:Mathias-S" class="extiw" title="no:Bruker:Mathias-S">no:</a>)
CC BY 2.5
self-made (see below)