Sven Zacek / Broken ice covered in snow at sunset, on the shore of Lake Vortsjarv, gathered to shore by extreme winds, Estonia. December 2014.

Olga Kamenskaya / Pyramidal ice fragment reflected on the surface of Lake Baikal. Ice fragment acting as a prism refracting light into rainbow. Siberia, Russia, March.

Olga Kamenskaya / Ice fragment reflected in the ice of Lake Baikal, Siberia, Russia, March.

Olga Kamenskaya / Ice fragment reflected in the ice of Lake Baikal, Siberia, Russia, March.

Olga Kamenskaya / Ice fragment on crack in Lake Baikal ice, Siberia, Russia, March.

Juan Carlos Munoz / Ice on water, Plitvice Lakes National Park, Lika, Croatia, Europe, January

Solvin Zankl / Leafcutter ant {Atta sp} carrying leaf fragment to nest. Ants are champion weightlifters, capable of lifting 50 times their body weight (the equivalent of a human heaving 50 people). They would win a...

Albert Lleal / SEM close-up view of a skeletal fragment of a Bryozoan colony at 35x magnification that came from a beach in Formentera, Balearic Islands, Spain

Albert Lleal / SEM close-up view of a skeletal fragment of a Bryozoan colony at 21x magnification, came from beach in Formentera, Balearic Islands, Spain

Albert Lleal / Electron microscope view of bryozoan colony fragment isolated from beach sand, Formentera, Balearic Islands, Spain

Theo Bosboom / Drift ice on the shore of IJsselmeer, Stavoren, the Netherlands, February.

Bruno D'Amicis / NABU staff member showing birds in guide book to people of Wagira Maryam church. In church forest, a forest fragment surrounding the orthodox church, remaining intact in a largely deforested landscape...

Bruno D'Amicis / Aerial view of habitat fragmentation with degraded land surrounding church forest of Gindatemen Michail Orthodox Church. Forest cover in Ethiopia has fallen from 40% to 4.2% in 50 years. Church forest...

Bruno D'Amicis / Aerial view of habitat fragmentation with degraded land surrounding church forest of Abe Libanose Orthodox Church. Forest cover in Ethiopia has fallen from 40% to 4.2% in 50 years. Church forests rema...

Bruno D'Amicis / Aerial view of habitat fragmentation with degraded land surrounding church forest of Abe Libanose Orthodox Church. Forest cover in Ethiopia has fallen from 40% to 4.2% in 50 years. Church forests rema...

Bruno D'Amicis / Aerial view of habitat fragmentation with degraded land surrounding church forest of Gindatemen Michail Orthodox Church, Lake Tana in distance. Forest cover in Ethiopia has fallen from 40% to 4.2% in...

Bruno D'Amicis / Aerial view of habitat fragmentation with degraded land surrounding church forest of Wagira Mariam Orthodox Church, in morning light. Forest cover in Ethiopia has fallen from 40% to 4.2% in 50 years....

Bruno D'Amicis / Aerial view of livestock walking along stone wall surrounding church forest of Gindatemen Michail Orthodox Church. Forest cover in Ethiopia has fallen from 40% to 4.2% in 50 years. Church forests rema...

Bruno D'Amicis / Aerial view of habitat fragmentation with degraded land surrounding church forest of Gindatemen Michail Church, at dawn. Forest cover in Ethiopia has fallen from 40% to 4.2% in 50 years. Church forest...

Pal Hermansen / Broken ice in Hamilton Bay, snow covered coastal mountains in background. Spitsbergen, Svalbard, Norway. April 2018.

Pal Hermansen / Expedition vessel travelling through broken ice fragments, aerial view. Hornsund, Svalbard, Norway. May 2018.

Pal Hermansen / Ship amongst fragments of sea ice. Hornsund, Svalbard, Norway. May 2018.

Juergen Freund / Research aquarist Andrea Severeti with experiments in National Sea Simulator, fragment and spawn grown Coral from Great Barrier Reef. Australian Institute of Marine Science where impacts of complex en...

Stefan Christmann / Sea ice in summer thaw. Atka Bay, Antarctica. February 2017.

Tony Wu / Giant squid (Architeuthis) fragment dropped by female Sperm whale (Physeter macrocephalus) Ogasawara Islands / Bonin Islands, Japan.

Tony Wu / Segment of an Architeuthis giant squid feeding tentacle (tentacular arm) that was left in the water by a sperm whale (Physeter macrocephalus) after it breached. This squid arm fragment measured 351 ce...

Espen Bergersen / Ice forming on water at sunset, Troms, Norway, February 2014.

John Cancalosi / Coquina, a sedimentary rock that is composed either wholly or almost entirely of the transported, abraded, and mechanically-sorted fragments of the shells of molluscs, trilobites, brachiopods, or othe...

Sven Zacek / Ice breaking up on Halliste river in spring, Soomaa National Park, Parnumaa county, Estonia, April 2013.

Roy Mangersnes / Fragments of ice drifting under full moon. The ice sheet was at a record 83 degrees north, Svalbard, September, 2013.

Roy Mangersnes / Pack ice forming on the Arctic Ocean, far North of Svalbard, Norway, September 2013.

Ingo Arndt / Moving sea ice, Magdalen Islands, Gulf of St Lawrence, Quebec, Canada, March 2013.

Marie Read / American / Brown creeper (Certhia americana) on tree trunk with bark fragment in beak, used as nest material, New York, USA, June.

Olga Kamenskaya / Ice fragment reflected in ice of Lake Baikal, Siberia, Russia, March.

Olga Kamenskaya / Ice fragment reflected in ice of Lake Baikal, Siberia, Russia, March.

Olga Kamenskaya / Ice fragment reflected in ice of Lake Baikal, Siberia, Russia, March.

Olga Kamenskaya / Ice fragment reflected in ice of Lake Baikal, Siberia, Russia, March.

Olga Kamenskaya / Ice fragment reflected in ice of Lake Baikal, Siberia, Russia, March.

Olga Kamenskaya / Pyramidal ice fragment reflected on the surface of Lake Baikal, Siberia, Russia, March.

Olga Kamenskaya / Pyramidal ice fragment reflected on the surface of Lake Baikal, Siberia, Russia, March.

Olga Kamenskaya / Clear ice fragment reflected in the ice of Lake Baikal, Siberia, Russia, March.

Olga Kamenskaya / Ice fragment reflected in the ice of Lake Baikal, Siberia, Russia, March.

Olga Kamenskaya / Ice fragment on crack in Lake Baikal ice, Siberia, Russia, March.

Jeff Vanuga / Paradise Bay with glaciers, and icebergs, Antarctica.

Michael Pitts / Maritime archaeologist examining fragment of porcelain on the wreck of the 1st Rate man-of-war, HMS Invincible - wrecked in 1758. Eastern Solent Channel. England, UK, August 2013.

John Cancalosi / Granite fragment, a intrusive igneous rock, from Florence County, Wisconsin, USA.

John Cancalosi / Obsidian, a volcanic glass rock, from Idaho, USA.

Enrique Lopez-Tapia,Enrique Lopez-Tapia / Sea ice and small iceberg, Antarctic Peninsula, Antarctica.