Ernie Janes / Big Ben and Union Jack Flag, Westminster, London, England, UK, June 2013.

Doug Gimesy / Platypus researcher holding a platypus (Ornithorhynchus anatinus) whilst field assistant measures the bill length. It was captured as part of a Melbourne Water study to monitor the local population. C...

Doug Gimesy / Platypus researchers holding a platypus (Ornithorhynchus anatinus) whilst field assistant measures the bill length. It was captured as part of a Melbourne Water study to monitor the local population....

Heather Angel / Hand held digital thermometer recording -3-5C on closed snowdrop flower. Conditions too cold to open and for pollinator activity. Cultivated in garden, Surrey, England, UK. February.

Francisco Marquez / Researcher measuring a Greater flamingo (Phoenicopterus ruber) juvenile's beak during the ringing process, Fuente de Piedra lagoon, Malaga, Spain. August.

Francisco Marquez / Volunteers holding Greater flamingo (Phoenicopterus ruber) juveniles to be measured during the ringing process, Fuente de Piedra lagoon, Malaga, Spain. August.

Francisco Marquez / Volunteer weighing a Greater flamingo (Phoenicopterus ruber) juvenile while another volunteer notes the data during the ringing process, Fuente de Piedra lagoon, Malaga, Spain. August.

Francisco Marquez / Volunteer weighing a Greater flamingo (Phoenicopterus ruber) juvenile during the ringing process, Fuente de Piedra lagoon, Malaga, Spain. August.

Francisco Marquez / Close up of the tag on a Greater flamingo (Phoenicopterus ruber) juvenile's leg during measuring, held by a volunteer, Fuente de Piedra lagoon, Malaga, Spain. August.

Juergen Freund / James Cook University's Susan Laurance checks data gathering equipment that measures how much moisture the trees take in. Dr. Susan Laurance leads the Daintree Drought Experiment in far north Quee...

Will Watson / A landslip of the Carboniferous South Wales Lower Coal Measures on Blorenge and surrounding Heather (Calluna vulgaris) and Bilberry (Vaccinium myrtillus) moorland, Monmouthshire, Wales, September 2018...

Will Watson / A natural doline pond with exposed sandstone rocks from the South Wales Lower Coal Measures, Carboniferous Period. Mynd Llangatwg, Brecon Beacons National Park, Breconshire, Wales, November 2018.

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

Nick Garbutt / Veterinarian from Project Oncafari measuring teeth and jaw of Jaguar (Panthera onca palustris) female trapped following the death of a Cow. Caiman Lodge, southern Pantanal, Mato Grosso do Sul, Brazil....

Ashley Cooper / Campbell Stokes Sunshine Recorder, which measures hours of sunlight at Base Orcadas, an Argentine scientific station in Laurie Island, South Orkney Islands, Antarctic Peninsula.

Ashley Cooper / Cyclist in Poynton village, Cheshire which has recently undertaken a shared space road experiment, where pedestrians and vehicles share the same space. England, UK, May 2012.

Ashley Cooper / Sign in Poynton village, Cheshire which has recently undertaken a shared space road experiment, where pedestrians and vehicles share the same space. England, UK, May 2012.

Edwin Giesbers / Eagle owl (Bubo bubo) chick on scales during ringing session. Netherlands. February 2016.

Edwin Giesbers / Man placing Eagle owl (Bubo bubo) chick on scales during ringing session. Netherlands. February 2016.

Edwin Giesbers / Man weighing Eagle owl (Bubo bubo) chick during ringing session. Netherlands. February 2016.

Graham Eaton / Folded Carboniferous age sandstone and shale (Culm Measures) in plan view, deformed by compression during the Variscan or Hercynian orogeny, a geologic mountain-building event caused by Late Paleozoic...

Graham Eaton / An anticlinal fold in Carboniferous age sandstone and shales. This fold and deformation was formed by compression during the Variscan or Hercynian orogeny, a geologic mountain-building event caused by...

Graham Eaton / Folded Carboniferous age sandstones, Hartland Quay, Devon, UK, May

Graham Eaton / Folded Carboniferous age sandstone and shale (Culm Measures) deformed by compression during the Variscan or Hercynian orogeny, a geologic mountain-building event caused by Late Paleozoic continental c...

Graham Eaton / An anticline in deformed Carboniferous sandstones and shale (Culm Measures) near Bude, Cornwall, UK, March. These rocks were deformed during the Hercynian or Variscan Orogeny, a mountain building even...

Graham Eaton / Steeply dipping beds of Carboniferous age sandstone and shales (Culm measures) on the flank of a large fold. This deformation was formed by compression during the Variscan or Hercynian orogeny, a geol...

Graham Eaton / Tilted beds of sandstone and thin shales of the Carboniferous, Culm Measures (Bude Formation) Sandy Mouth near Bude, Cornwall, UK, May. The bed represent cycles of deposition associated with climate c...

Graham Eaton / Tilted beds of Carboniferous age, Culm Measures (Bude Formation) sandstone and shale, Bude, Cornwall, UK, May.

Graham Eaton / A Chevron or Kink fold anticline in Carboniferous age turbidite sediments. Bude, Cornwall, UK, may.

Graham Eaton / Tilted beds of sandstone and thin shales of the Carboniferous, Culm Measures (Bude Formation) Sandy Mouth near Bude, Cornwall, UK, May. The bed represent cycles of deposition associated with climate c...

Graham Eaton / Folded Carboniferous age sandstone and shale (Culm Measures) in plan view, deformed by compression during the Variscan or Hercynian orogeny, a geologic mountain-building event caused by Late Paleozoic...

Graham Eaton / Small extension (normal) faults within a layer of shale between two layers of more competent sandstone. Carboniferous, turbidites, Bude, Cornwall, UK, May.

Graham Eaton / Chevron recumbent folding in Carboniferous age sandstone and shale (Culm Measures), deformed by compression during the Variscan or Hercynian orogeny, a geologic mountain-building event caused by Late...

Graham Eaton / Ripple marks in a bedding plane of Carboniferous age Sandstone, near Bude, Cornwall, UK, March. The ripple marks show that the sandstones were deposited in water.

Graham Eaton / Small Waterfalls at Sandy Mouth beach, near Bude, Cornwall, UK, March. The rocks are steeply dipping Carboniferous age, sandstone and shale (Culm Measures).

Graham Eaton / A small waterfall at Sandy Mouth beach, near Bude, Cornwall, UK, March. The rocks are steeply dipping Carboniferous age, sandstone and shale (Culm Measures).

Graham Eaton / Tilted beds of Carboniferous age, Culm Measures (Bude Formation) Sandy Mouth, near Bude, Cornwall, UK, May

Graham Eaton / Sole marks on the underside of a bed of Carboniferous age, turbidite sandstone. Bude, Cornwall, UK, may. Sole marks are formed by flowing water or currents and can indicate the flow direction when the...

Graham Eaton / En echelon tension (or parallel) cracks in Carboniferous age turbidite sandstones, Bude, Cornwall, UK, May. The tension cracks have formed in the more competent sandstones as the rocks were folded. T...

Graham Eaton / A thrust fault in Carboniferous age Sandstones and shales (Culm Measures) at Crackington Haven, near Bude, Cornwall, March. The rocks comprise the Crackington Formation of thinly bedded turbidite sand...

Graham Eaton / A thrust fault in Carboniferous age Sandstones and shales (Culm Measures) at Crackington Haven, near Bude, Cornwall, March. The rocks comprise the Crackington Formation of thinly bedded turbidite sand...

Graham Eaton / A small relay thrust fault in steeply dipping Carboniferous age Sandstones and shales (Culm Measures) near Bude, Cornwall, March.

Graham Eaton / A box fold formed by intersecting kink folds in Carboniferous age Sandstones and Shales (Culm Measures) at Menanchrurch near Bude, Cornwall, March. The deformation of the rocks formed during the Varis...

Graham Eaton / Chevron folded Carboniferous age sandstone and shale (Culm Measures), deformed by compression during the Variscan or Hercynian orogeny, a geologic mountain-building event caused by Late Paleozoic cont...

Graham Eaton / Load casts on the underside of a sandstone bed of Carboniferous age, Culm Measures (Bude Formation), Bude, Cornwall, UK, May.

Graham Eaton / Load casts on the underside of a sandstone bed of Carboniferous age, Culm Measures (Bude Formation), Bude, Cornwall, UK, May.

Graham Eaton / A monocline fold with a minor thrust fault in Carboniferous age sandstones, Bude, Cornwall, UK, May.

Graham Eaton / Chevron recumbent folding in Carboniferous age sandstone and shale (Culm Measures), deformed by compression during the Variscan or Hercynian orogeny, a geologic mountain-building event caused by Late...

Jen Guyton / Ayla Kaltenecker, an aspiring young scientist and the daughter of one of the project's lead scientists, Greg Kaltenecker, measures the head length of an endangered white-backed vulture (Gyps africanus...

Juan Carlos Munoz / Native tree afforestation, man measuring tree, Miera Valley, Valles Pasiegos, Cantabria, Spain. October, 2017.

Juan Carlos Munoz / Native tree afforestation, man measuring tree, Miera Valley, Valles Pasiegos, Cantabria, Spain. October, 2017.

Graham Eaton / Large anticlinal fold, caused by deformation during the Variscan orogeny, in Carboniferous, Coal Measures sandstones and shale. Braod Haven, Pembrokeshire, Wales

Graham Eaton / Small anticlinal fold in Carboniferous, Coal Measures rocks. Broad Haven, Pembrokeshire, Wales, UK, May.

Graham Eaton / Small anticlinal fold in carboniferous, Coal Measures rocks, Broad Haven, Pembrokeshire, Wales, UK, May.

Graham Eaton / The Ladies Cave anticline, an asymmetric chevron fold formed during the Variscan orogeny, in Carboniferous, Westphalian, Lower Coal Measures, sediments. Saundersfoot, Pembrokeshire, Wales. June 2017

Graham Eaton / The Ladies Cave anticline, an asymmetric chevron fold formed during the Variscan orogeny, in Carboniferous, Westphalian, Lower Coal Measures, sediments. Saundersfoot, Pembrokeshire, Wales. June 2017

Graham Eaton / The Ladies Cave anticline, an asymmetric chevron fold formed during the Variscan orogeny, in Carboniferous, Westphalian, Lower Coal Measures, sediments. Saundersfoot, Pembrokeshire, Wales. June 2017

Suzi Eszterhas / Koala (Phascolarctos cinereus), male sick with chlamydia on scale while under anaesthetic. Currumbin Wildlife Hospital, Queensland, Australia, captive.

Suzi Eszterhas / Koala (Phascolarctos cinereus) Joey aged eight months, sick with urinary tract infection, on scales, Dreamland, Queensland, Australia, captive.

Ingo Arndt / Researcher measures Alpine marmot {Marmota marmota} Hohe Tauern NP, Austria

SCOTLAND: The Big Picture / Conservationist from The Royal Zoological Society Scotland / RZSS measuring the size of a Scottish wildcat's (Felis silvestris grampia) testes. Inside RZSS mobile vet unit, Strathsprey, Cairngorms Nat...

Jeff Rotman / Lobsterman measures length of American lobster (Homarus americanus) carapace to determine if it's legal, if too large it will be returned to the sea, Portland, Maine USA October

SCOTLAND: The Big Picture / Field worker measuring talon of Golden eagle (Aquila chrysaetos), Glen Tanar Estate, Aberdeenshire, Scotland, UK, June 2015.

SCOTLAND: The Big Picture / Field worker measuring bill of Golden eagle (Aquila chrysaetos) chick, Glen Tanar Estate, Aberdeenshire, Scotland, UK, June 2015.

Pascal Kobeh / A board at the entrance of the cenote that illustrates the safety measures that every diver must follow, Cenote Car Wash or Aktun Ha, Yucatan Peninsula, Mexico

Neil Aldridge / Defra Field Workers dispose of a used syringe as part of biosecurity measures after vaccinating a European Badger (Meles meles) during bovine tuberculosis (bTB) vaccination trials on farmland in Glouc...

Martin Gabriel / High water of the Danube, Weltenburg Monastery flooded, but protected by flood control measures, nature reserve Weltenburger Enge, Kelheim county, Bavaria, Germany, June 2013

Martin Gabriel / Danube flooding with Weltenburg Monastery protected by flood control measures, Weltenburger Enge Nature Reserve, Kelheim county, Bavaria, Germany, June 2013

Cyril Ruoso / Professor Matsui looking at Japanese giant salamander (Andrias japonicus) at night. This massive specimen measures 1.3m and weighs 11.4kg and is likely to be a hybrid with the Chinese giant salamander...

Franco Banfi / North American crayfish (Orconectes limosus) next to tape measure to show size, Lake Lugano, Ticino, Switzerland, December.

Pete Oxford / Beans for sale in market, Upper Subansiri District. Arunachal Pradesh, North East India, November 2014.

Nick Upton / Infra red digital thermometer used to measure the temperature of an Edible / Fat Dormouse (Glis glis) hibernation burrow in woodland where this European species has become naturalised, Buckinghamshire...

Adrian Davies / Plant pathogen (Phytophthora ramorum) control measures in woodland. Leith Hill, Surrey. England, UK. June 2015.

Adrian Davies / Plant pathogen (Phytophthora ramorum) control measures in woodland. Leith Hill, Surrey. England, UK. June 2015.

Cheryl-Samantha Owen / Juvenile Bass (Micropterus sp) measured as part of Northern Cape Department of Environmental Affairs (DENC) freshwater fish survey. Oorlogskloof Nature Reserve, Northern Cape, South Africa. In summer...

Cheryl-Samantha Owen / Endemic Clanwilliam sawfin (Barbus serra) measured as part of the Northern Cape Department of Environmental Affairs (DENC) freshwater fish survey. Oorlogskloof Nature Reserve, Northern Cape, South Afr...

Solvin Zankl / [captive] Green toads (Bufo viridis) on scale, Lake Coghinas ( Lago di Coghinas) is an artificial lake, in northern Sardinia, Italy

Nick Upton / Common / Hazel dormouse (Muscardinus avellanarius) being weighed in a plastic pot on a mini balance during a survey by Backwell Enviroment Trust in coppiced woodland near Bristol, Somerset, UK, Octobe...

Jeff Rotman / Fisherman measures undersized Yellowtail Flounder (Limanda ferruginea) on deck of fishing trawler. Stellwagen Banks, New England, United States, North Atlantic Ocean

Cheryl-Samantha Owen / Fishing for West coast rock lobster (Jasus lalandii) aboard the James Archer (Oceana Fisheries). Scientist measures carapace of lobster, in Saldanha Bay and St. Helena Bay, Western Cape, South Africa.

Cheryl-Samantha Owen / Fishing for West coast rock lobster (Jasus lalandii) aboard the James Archer (Oceana Fisheries). Scientist measures carapace of lobster, in Saldanha Bay and St. Helena Bay, Western Cape, South Africa.

Cheryl-Samantha Owen / African penguin (Spheniscus demersus) egg being weighed, part of Chick Bolstering Project, Southern African Foundation for the Conservation of Coastal Birds (SANCCOB), South Africa May 2012

Gavin Hellier / Persian carpet inside the Sultan Qaboos Hall, Al-Ghubrah or Grand Mosque, the carpet measures 70m by 60m making it the largest carpet in the world, it took 400 women four years to weave, Muscat, Oman...

Neil Aldridge / As part of biosecurity measures, Defra Field Workers sterilise their boots during European Badger (Meles meles) bovine tuberculosis vaccination trials in Gloucestershire, UK June 2011.

Neil Aldridge / As part of biosecurity measures, Defra Field Workers sterilise their boots during European Badger (Meles meles) bovine tuberculosis vaccination trials in Gloucestershire, UK June 2011.

Bryan and Cherry Alexander / Scientists set up a GPS receiver to collect data as part of the WAGN (West Antarctic GPS Network) Project, which measures movement of land & ice. Patriot Hills. Antarctica, January 2006.

Bruno D'Amicis / LIPU/Birdlife International ornithologist taking bill measures of a Cory's Shearwater (Calonectris diomedea) in the breeding colony on the island of Linosa, Sicily. Marine Important Bird Areas project...

Nick Upton / Great Crane Project team collecting Eurasian / Common crane eggs (Grus grus) in Germany for UK reintroduction. Roland Digby measures crane egg at nest in reed pool, with Beate Blahy. Schorfheide-Chori...

Jerry Monkman / Manomet researcher Jan Yacabucci measures a Bluebird {Siala sp} chick's wing, Chino Farms, Maryland, USA

Fabio Liverani / Research scientist measures an Italian wall lizard {Podaris sicula} Parco Delta del Po, NE Italy 2008

Doug Perrine / Scientist measures Kemp's ridley turtle {Lepidochelys kempii} female laying eggs in nest on beach, Rancho Nuevo, Gulf of Mexico, Mexico 2002

Sue Flood / Researcher measures head of tranquilised Polar bear {Ursus maritimus} Hudson bay, Canada

Jason Smalley / Erosion control measures, Barnack Hills and Holes national nature reserve, Cambridgeshire, UK.

Jason Smalley / Erosion control measures, Barnack Hills and Holes national nature reserve, Cambridgeshire, UK.

Staffan Widstrand / Researcher measures teeth on European Brown bear {Ursus arctos} Dalarna, Sweden.