Nick Garbutt / Black-browed albatross (Thalassarche melanophris) flying over South Atlantic. Cooper Bay, South Georgia. November.

Russell Cooper / Mandarin duck drake (Aix galericulata) on the water, showing orange 'sail' feathers which are used when displaying, Southwest London, UK, March.

Russell Cooper / Mandarin duck drake (Aix galericulata) from behind flapping its wings. Southwest London, UK. February.

Ashley Cooper / Plastic rubbish washed ashore from the sea in Glen Brittle, Isle of skye, Scotland, UK. May 2012

Ashley Cooper / Sunflower next to the PS20 solar thermal tower, the only such working solar tower currently in the world. Sanlucar La Mayor, Andalucia, Spain. May 2011

Ashley Cooper / Heliostats, large reflective mirrors directing sunlight to the PS20 solar thermal tower, the only such working solar tower currently in the world. Sanlucar La Mayor, Andalucia, Spain. June 2011

Ashley Cooper / Sun rays reflected onto solar tower at Ivanpah Solar Thermal Power Plant, the largest solar thermal plant in the world. It covers 4,000 acres of desert and produce 392 megawatts (MW) of electricity....

Ashley Cooper / Needle ice on Holly leaves (Ilex europaeus) in a woodland in Ambleside Cumbria UK. December 2008

Ashley Cooper / Wind turbine with stacks of coal fired power station in Amsterdam, Netherlands. May 2013

Murray Cooper / Minden / Rufous-tailed Jacamar (Galbula ruficauda), South America

Murray Cooper / Rubber Tree (Hevea brasiliensis) with sap used for rubber, South America

Murray Cooper / Mangrove (Rhizophora sp) aerial roots, Cayapas Mataje Ecological Reserve, Ecuador

Murray Cooper / Mangrove (Rhizophora sp) trees, Cayapas Mataje Ecological Reserve, Ecuador

Murray Cooper / Spot-breasted Woodpecker (Colaptes punctigula) at nest cavity, South America

Murray Cooper / Rufous-tailed Jacamar (Galbula ruficauda), South America

Murray Cooper / Speckled Chachalaca (Ortalis guttata) pair, South America

Murray Cooper / Horned Screamer (Anhima cornuta), South America

Murray Cooper / Pied Lapwing (Vanellus cayanus), South America

Murray Cooper / Swallow-tailed Nightjar (Uropsalis segmentata) female in defensive posture on nest, South America

Alan Murphy / Cooper's Hawk (Accipiter cooperii) flying, Texas

Russell Cooper / Blackening waxcap fungus (Hygrocybe sp.) New Forest, Hampshire, UK.

Andrew Cooper / Marine Iguana (Amblyrhynchus cristatus) on rocks with wave splash. Galapagos, Ecuador.

Russell Cooper / Male Speckled wood butterfly (Pararge aegeria) sunning on leaf, South London, UK, August

Russell Cooper / Common Darter Dragonfly (Sympetrum striolatum) head and compound eyes, South London, UK, September

Murray Cooper / Bananaquit (Coereba flaveola) in lowland rainforest, Ecuador

Murray Cooper / White-necked Jacobin (Florisuga mellivora) male feeding on flower nectar, Ecuador

Russell Cooper / Honey bee (Apis mellifera) feeding from Lavender (Lavandula) flowers, Mayfield Lavender Farm, North Downs, Surrey, UK, July

Russell Cooper / Male Pollen / Flower Beetle (Oedemera nobilis) on flowering foodplant, Morden, South London, London, UK

Russell Cooper / Mating pair of Small Blue Butterflies (Cupido minimus) on plant stem, Surrey, England, UK

Russell Cooper / Cowslip (Primula veris) in flower, North Downs, Surrey, England, UK

Russell Cooper / English Bluebell (Hyacinthoides non-scripta) flower stem of white variant, in springtime, Banstead Woods Site of Special Scientific Interest (SSSI), Ancient Woodland, North Downs, Surrey, England, UK

Russell Cooper / Acorn Weevil (Curculio glandium) resting on English Bluebell (Endymion nonscriptus) flower stem in springtime, Banstead Woods Site of Special Scientific Interest (SSSI), Ancient Woodland, North Downs,...

Russell Cooper / Green Veined White Butterfly (Pieris napi) resting on the flowering stem of a native English Bluebell (Endymion nonscriptus) Banstead Woods. Site of Special Scientific Interest (SSSI). North Downs Su...

Russell Cooper / Avocets (Recurvirostra avosetta) and Black Tailed Godwits (Limosa limosa) on the lagoon at Brownsea Island, Poole Harbour, Dorset, England, UK, October 2009.

Russell Cooper / Six Spot Burnet Moth (Zygaena filipendulae) at rest on flowering Ragwort, South London, England, UK.

Russell Cooper / Banded Demoiselle (Calopteryx splendens) male at rest on Yellow Flag Iris flower bud (Iris pseudacorus) Morden, South London. England, UK.

Murray Cooper / Plate-billed Mountain-Toucan (Andigena laminirostris) with orchids, Ecuador

Murray Cooper / Sparkling Violet-ear (Colibri coruscans) hummingbird males fighting, Ecuador, digitally manipulated

Murray Cooper / Andean Condor (Vultur gryphus) female flying, Ecuador

Murray Cooper / Andean Condor (Vultur gryphus) male basking, Ecuador

Murray Cooper / King Vulture (Sarcoramphus papa) with full crop, Ecuador

Ashley Cooper / Woman taking polar plunge in 2 degrees C water off an Antarctic cruise ship into sea. Antarctic Peninsula, Antarctica. February 2019.

Ashley Cooper / Long-tailed tit (Aegithalos caudatus) gathering feathers for nest. May.

Ashley Cooper / Plastic bottle litter on beach, woman gathering litter in background. March 2019.

Ashley Cooper / Gentoo penguin (Pygoscelis papua) feeding chicks. February 2019.

Ashley Cooper / Crabeater seal (Lobodon carcinophaga) urinating on ice with one eye shut. Antarctica. February 2019.

Ashley Cooper / Chinese tourist from Antarctic expedition cruise ship taking selfie with Gentoo penguin (Pygoscelis papua) that has walked up to her. Antarctic Peninsula, Antarctica. February 2019.

John Chan / Cooper's hawk (Accipiter cooperii) nestling sleeping Southern California, USA.

John Chan / Cooper's hawk (Accipiter cooperii) nestling pecking sibling, Southern California, USA, June.

Jiri Lochman / Rory's Pseudantechinus (Pseudantechinus roryi) De La Poer Range Nature Reserve, in Gibson Desert, Western Australia.

Jiri Lochman / Rory's Pseudantechinus (Pseudantechinus roryi) De La Poer Range Nature Reserve, in Gibson Desert, Western Australia.

Russell Cooper / Mandarin duck drake (Aix galericulata) on the water Southwest London, UK, April.

Russell Cooper / Mandarin duck drake (Aix galericulata) on the water Southwest London, UK, April.

Russell Cooper / Mandarin duck drake (Aix galericulata) on a tree branch eating lichen, Southwest London, UK, April.

Russell Cooper / Mandarin duck drake (Aix galericulata) floating on the water, Southwest London, UK, March.

Russell Cooper / Mandarin duck drake (Aix galericulata) in courtship display, Southwest London, UK, March.

Russell Cooper / Mandarin duck drake (Aix galericulata) runnng across the water surface. Southwest London, UK, March.

Russell Cooper / Mandarin duck (Aix galericulata) female floating on an open patch of water on a frozen pond. Southwest London, UK, February.

Russell Cooper / Mandarin duck drake (Aix galericulata) floating on an open patch of water on a frozen pond, Southwest London, UK, February.

Russell Cooper / Mandarin duck drake (Aix galericulata) floating on an open patch of water on a frozen pond, Southwest London, UK. February.

Russell Cooper / Mandarin duck drake (Aix galericulata) walking on ice across a frozen pond, Southwest London, UK, December.

Russell Cooper / Mandarin duck drake (Aix galericulata) walking on ice across a frozen pond, Southwest London, UK, December.

Russell Cooper / Mandarin duck female (Aix galericulata) floating on colourful water, Southwest London, UK, November.

Russell Cooper / Mandarin duck drake (Aix galericulata) swimming through a reedbed, Southwest London, UK, November.

Russell Cooper / Mandarin duck (Aix galericulata) wing flapping, Southwest London, UK, November.

Russell Cooper / Mandarin duck (Aix galericulata) female bathing taking a bath, Southwest London, UK, November.

Russell Cooper / Mandarin duck drake (Aix galericulata) floating on colourful water, Southwest London, UK, January.

Karine Aigner / Biologist Clara Cooper-Mullin (left) and her colleague Olivia DaRugna. Clara is holding a Hermit thrush (Catharus guttatus), as part of her study into the migration behaviour of birds that use the isl...

Karine Aigner / Portrait of scientist Nathan Cooper holding radio-telemetry equipment to track Kirtland's warbler (Setophaga kirtlandii). Cat Island, Bahamas. April 2017.

Karine Aigner / Portrait of Nathan Cooper checking for Kirtland's warblers (Setophaga kirtlandii) Michigan, USA, July 2017.

Karine Aigner / Scientist Nathan Cooper refiting a male Kirtland's warbler (Setophaga kirtlandii) with a new nano tag, Michigan, USA, July.

Karine Aigner / Biologist Nathan Cooper holding male Kirtland's warbler (Setophaga kirtlandii) before replacing previous nano tag with a new one. Michigan, USA. July 2017.

Karine Aigner / Biologist Nathan Cooper taking measurements from male Kirtland's warbler (Setophaga kirtlandii) before replacing previous nano tag with a new one.Michigan, USA. July 2017.

Karine Aigner / Scientist Nathan Cooper holding a baby Kirtland's warbler (Setophaga kirtlandii) Michigan, USA, July 2017.

Karine Aigner / Portrait of scientist Nathan Cooper with telemetry device. Cat Island, Bahamas.

Karine Aigner / Scientist Nathan Cooper adjusting nano-tag put on a Kirtland's warbler (Setophaga kirtlandii) Cat Island, Bahamas, April 2017.

Karine Aigner / Scientist Nathan Cooper adjusting nano-tag that is being put on a Kirtland's warbler (Setophaga kirtlandii) Cat Island, Bahamas, April 2017.

Karine Aigner / Scientist Nathan Cooper writing down data after he weighs and measures a Kirtland's warbler (Setophaga kirtlandii) Cat Island, Bahamas, April 2017.

Karine Aigner / Scientist Nathan Cooper takes a feather sample from an endangered Kirtland's Warbler (Setophaga kirtlandii) Cat Island, Bahamas, April 2017.

Karine Aigner / Scientist Nathan Cooper blowing feathers out of the way while measuring the size of the pectoral muscle of a Kirkland's Warbler (Setophaga kirtlandii) during research. Cat Island, Bahamas. April 2...

Karine Aigner / Scientist Nathan Cooper detangles an endangered Kirtland's Warbler (Setophaga kirtlandii) from the mist net. This bird was caught for tagging during research into migration and behaviour. Cat Isla...

Karine Aigner / Scientists Nathan Cooper measures the beak of an endangered Kirtland's warbler (Setophaga kirtlandii) Cat Island, Bahamas. April 2017.

Karine Aigner / Scientists Nathan Cooper and Stephen Caird play the call of a Kirtland's Warbler (Setophaga kirtlandii) to elicit a response from wild warblers. This is so they know where to set up a mist net to...

Karine Aigner / Scientists Nathan Cooper and Chris Fox looking out over Mount Alvernia / Como Hill - the highest point in the Bahamas. They are looking out on Kirkland's Warbler habitat. Cat Island, Bahamas.

Karine Aigner / Nano - transmitters and the 'back pack' made by scientist Nathan Cooper, in comparison, next to a dime. Used for research into migration and behaviour of Kirtland's warblers.

Karine Aigner / Nathan Cooper and Stephen Caird play the call of a Kirtland's Warbler (Setophaga kirtlandii) to elicit a response from wild warblers. This is so they know where to set up a mist net to capture the...

Karine Aigner / Scientist Nathan Cooper at the Smithsonian Migratory Bird Center holding Kirtland's warbler (Setophaga kirtlandii) during tagging study. CAt Island, Bahamas. April 2017.

Karine Aigner / Scientist Nathan Cooper at the Smithsonian Migratory Bird Center holding Kirtland's warbler (Setophaga kirtlandii) during tagging study. CAt Island, Bahamas. April 2017.

Karine Aigner / Scientist Nathan Cooper puts a nano-tag on a Kirtland's warbler (Setophaga kirtlandii) Cat Island, Bahamas. April 2017.

Karine Aigner / Scientist Nathan Cooper at the Smithsonian Migratory Bird Center holding Kirtland's warbler (Setophaga kirtlandii) during tagging study. CAt Island, Bahamas. April 2017.

Karine Aigner / Scientist Nathan Cooper measuring the size of the pectoral muscle of a Kirkland's Warbler (Setophaga kirtlandii) during research. Cat Island, Bahamas. April 2017.

Karine Aigner / Nathan Cooper and Stephen Caird play the call of a Kirtland's Warbler (Setophaga kirtlandii) to elicit a response from wild warblers. This is so they know where to set up a mist net to capture the...

Karine Aigner / Scientist Nathan Cooper detangles and endangered Kirtland's Warbler (Setophaga kirtlandii) from the mist net. This bird was caught for tagging during research into migration and behaviour. Cat Isl...

Ashley Cooper / Sadhu or Hindu holy man in Kathmandu, Nepal. Sadhus are men who have renounced all material attachments to concentrate on their spirituality. January 2013.

Ashley Cooper / Nepalese woman in traditional clothing weaving cloth on a hand loom in the Himalayan foothills, Nepal. January 2013.