Charlie Summers / Andrommeda (M31) with its two syster galaxies (M32 and M110) Eastern Colorado. 8 November 2015. Taken with digital focus stacking.

Charlie Summers / Black Jaguar (Panthera onca) kitten, captive.

Charlie Summers / Adelie Penguin (Pygoscelis adeliae) carrying stolen rock from another nest in rookery, Peterman Island, Antarctica, November.

Charlie Summers / Rocky mountain bighorn (Ovis canadensis) ram jumping a barbed wire fence, Montana, USA,

Charlie Summers / African elephant (Loxodonta africana) mother standing grieving over stillborn baby. Tarangire National Park, Tanzania.

Charlie Summers / Nile crocodile (Crocodylus niloticus) making its way through sand to the Rufiji River, Selous Game Reserve, Tanzania.

Charlie Summers / The Pleiades or Seven Sisters (M45), a star cluster in the constellation Taurus, taken 26 September 2014 from Eastern Colorado. Taken with digital focus stacking.

Charlie Summers / Clark's Grebe (Aechmophorus clarkii) with yawning chick riding on back, Bear River Refuge, Utah, July.

Charlie Summers / The Milky Way rises over the Craigs, a mountain in the Never Summer Range of the Rocky Mountains, Colorado, July.

Charlie Summers / Two juvenile Brown Bear siblings (Ursus arctos) look for food on the banks of the Anan Creek lagoon, Alaska, July.

Charlie Summers / Black Bear (Ursus americanus) with Pink Salmon (Oncorhynchus gorbuscha) catch, Anan Creek, Alaska, July.

Charlie Summers / Black Bear (Ursus americanus) sleeping in a Sitka Spruce tree (Picea sitchensis) alongside Anan Creek, Alaska, July.

Charlie Summers / Black Bear (Ursus americanus) hunting for spawning Salmon during low tide, Neets Creek estuary, Alaska, July.

Charlie Summers / The Great Andromeda Galaxy (M32) and its two brightest satellite galaxies M110 to the right and close to Andromeda, and M32 (Messier 32) to the upper left. June 11, 2013 at 02.27. Taken with digital i...

Charlie Summers,Charlie Summers / Jupiter and the Moon in conjunction, on the night of 21 January 2013.

Charlie Summers,Charlie Summers / The comet 'PANSTARRS' in transit above the Rocky Mountains, Colorado. March 19, 2013 20:18. This is a stack of nine images, averaged and then stretched, a common practice in astrophotography, to brin...

Charlie Summers / Black bear (Ursus americanus) swimming in Herring Cove south of the town of Ketchikan, Alaska, USA, July

Charlie Summers / Plains Zebra (Equus quagga) in a dominance fight with dust flying, Lake Magadi, Serengeti, Tanzania.

Charlie Summers / Maasai Giraffe (Giraffa camelopardalis) feeding on Acacia tree, Serengeti, Tanzania

Charlie Summers / Stars draw traces above Naabi Hill acacia trees, Serengeti National Park, Tanzania

Charlie Summers / The transit of Venus across the face of the sun, with visible sunspots, as seen from Aurora, Colorado, USA, 19.51 local time, 5 June 2012.

Charlie Summers / 'Carhenge', a sculpture tribute to Stonehenge of Wiltshire, UK. Built from cars in 1987 by Jim Reinders. Nebraska, November 2011.

Charlie Summers / Two Wild Horse Stallions (Equus caballus) fighting in mist. Montana, USA, June.

Charlie Summers / Three Snow Geese banking and gliding in preparation for a landing (Chen caerulescens). Bosque del Apache, New Mexico, January.

Charlie Summers / King Penguin (Aptenodytes patagonicus) trio walking in line beside each other on a beach. Falkland Islands, South Atlantic Islands, December.

Charlie Summers / Christmas Island Frigatebird (Fregata andrewsi) hovering in flight. Christmas Island, Indian Ocean, Australia, December.

Charlie Summers / An orbital presentation of the eclipse of the moon as seen from Aurora, Colorado, USA, on the evening of December 20, 2010 and the early morning of December 21, 2010. Composite

Charlie Summers / Two Mustang (Equus caballus) stallions, a strawberry roan on the left and a black on the right, rearing and fighting for dominance, Pryor Mountain Range of Montana, USA

Charlie Summers / Three Western Black-tailed Prairie Dogs (Cynomys ludovicianus) at entrance to burrow. Cheyenne River drainage south of Hot Springs, South Dakota, USA

Charlie Summers / Three Cape Ground Squirrels (Xerus inauris) standing together at sunset. Kgalagadi TB Park of South Africa

Charlie Summers / Rocky Mountain Goat kid (Oreamnos americanus); standing on the tundra of Mount Evans west of Denver, Colorado, USA

Charlie Summers / Rockhopper Penguin (Eudyptes chrysocome) bathing in freshwater stream, Saunders Island, Falkland Islands, December

Charlie Summers / Rockhopper Penguin (Eudyptes chrysocome) bathing in freshwater stream, Saunders Island, Falkland Islands, December

Charlie Summers / Standing stones in the Neolithic henge of the Ring of Brodgar, built between 2500 and 2000 BC and originally composed of some 60 stones although only 27 remain standing today. Orkney Islands, Scotland...

Charlie Summers / Rocky Mountain Goat kid (Oreamnos americanus) portrait, on tundra of Mount Evans west of Denver, Colorado, USA

Charlie Summers / King Penguin (Aptenodytes patagonicus) adult standing amongst colony of chicks, Gold Harbor, South Georgia, South Atlantic Islands

Charlie Summers / King Cormorant (Phalacrocorax albiventer) landing on grass, Saunders Island, Falkland Islands, December

Charlie Summers / Gentoo Penguin (Pygoscelis papua) raft in the face of a wave close to shore. Falkland Islands, December

Charlie Summers / Gentoo Penguin (Pygoscelis papua) diving off iceberg and into waters of Pleneau Bay, Antarctica, November

Charlie Summers / Cowboy working with herd of American Bison (Bison Bison) during the 2010 buffalo roundup in Custer State Park; South Dakota, September 2010

Charlie Summers / Mustang (Equus caballus) herd trotting in light snow covered prairie, IRAM Wild Horse Sanctuary south of Hot Springs, South Dakota, USA, May

Charlie Summers / King Penguin (Aptenodytes patagonicus) adult surrounded by huddled chicks, riding out a snowstorm at Gold Harbor, South Georgia.

Charlie Summers / Adelie Penguin (Pygoscelis adeliae) flapping its flippers to cool down, Cuverville Island, Antarctica, November

Charlie Summers / American bison (Bison bison) herd roaming the plains, Custer State Park, South Dakota, USA, September

Charlie Summers / Burchell's Zebra (Equus quagga burchellii) herd walking towards waterhole in the late afternoon, kicking up dust as they come. Etosha National Park, Namibia, Southern Africa

Charlie Summers / African Elephant (Loxodonta africana) baby running after the group to reunite with its mother. Etosha National Park, Namibia, Southern Africa

Charlie Summers / Chacma baboon (Papio ursinus) juveniles playing in tree, Botswana

Charlie Summers / Rocky Mountain Bighorn sheep (Ovis canadensis) female jumping barbed wire fence, Montana, USA