Alkefjellet is a basalt rock formation at Hinlopen Strait on Spitsbergen, harboring approximately 60,000 breeding pairs of Brünnich's guillemot (<i>Uria lomvia</i>) in summer. Birds are sitting on every possible space on the cliff with their back to the open air in order to protect the hatchlings.
<a href="//commons.wikimedia.org/wiki/User:AWeith" title="User:AWeith">AWeith</a>
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<span class="int-own-work" lang="en">Own work</span>