Approximately 60,000 breeding pairs of Brünnich’s guillemot (Uria lomvia) are found in the arctic summer at Alkefjellet. They occupy all of the avaulable space on the basalt terraces and leave the cliffs covered in tons of Guano.
<a href="//commons.wikimedia.org/wiki/User:AWeith" title="User:AWeith">Andreas Weith</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>