Heike Odermatt / Brunnich's Guillemot (Uria lomvia) nesting colony on cliff, Alkefjellet, Hinlopen Strait, Svalbard, Norway

Pal Hermansen / Brunnich's guillemot (Uria lomvia) taking off from water, Alkefjellet. Svalbard, Norway, July.

Heike Odermatt / Brunnich's Guillemot (Uria lomvia) nesting colony on cliff, Alkefjellet, Hinlopen Strait, Svalbard, Norway

Ashley Cooper / Glacier at Alkefjellet in northern Svalbard. At the side of the glacier is an unconformity where basalt rock has intruded as a sill between layers of limestone. Svalbard, Norway, July 2013.

Pal Hermansen / Brunnich's guillemot (Uria lomvia) nests on cliff, Alkefjellet. Svalbard, Norway, July.

Pal Hermansen / Brunnich's guillemot (Uria lomvia) nesting, Alkefjellet bird cliff, Hinlopen strait, Svalbard, Norway. July.

Pal Hermansen / Brunnich's guillemots(Uria lomvia) Alkefjellet bird cliff, Hinlopen strait, Svalbard, Norway. July.

Pal Hermansen / Brunnich's guillemot (Uria lomvia) Alkefjellet bird cliff, Hinlopen strait, Svalbard, Norway. July.

Pal Hermansen / Tourist boat watching Brunnich's guillemots (Uria lomvia) nesting, Alkefjellet bird cliff, Hinlopen strait, Svalbard, Norway. July.

Pal Hermansen / Glaucous gull (Larus hyperboreus) eating dead Brunnich's guillemot (Uria lomvia) Alkefjellet, Hinlopenstrait, Svalbard, Norway, July.

Pal Hermansen / Brunnich's guillemot (Uria lomvia) in flight, seen from below at Alkefjellet Bird Cliff, Svalbard, Norway, July.

Pal Hermansen / Glaucous gull (Larus hyperboreus) eating dead Kittiwake (Rissa tridactyla) Alkefjellet, Svalbard, Norway, July 2016.