Tui De Roy / Haast Tokoeka (Apterix australis) with Phil Tisch and Tansy Bliss, Department of Conservation Kiwi Recovery team affixing radio trnasmitter. Haast Kiwi Sanctuary, Westland, South Island, New Zealand.

Roland Seitre / Antoine Cadi, scientist, and assistant measure the shell of an African spurred tortoise (Centrochelys / Geochelone sulcata) Sahel desert, Ferlo North Reserve, Senegal, West Africa, Vulnerable species....

Mark Carwardine / Black rhinoceros (Diceros bicornis) - darted and being prepared for translocation by rangers from the Kenya Wildlife Service, being measured Nairobi National Park, Kenya, Endangered / threatened spec...

Solvin Zankl / Seeds of Common storksbill (Erodium cicutarium), Europe. In dry conditions, the ripe seeds are ejected from the fruit. The seed tails are formed from the persisting style which consists of hygroscopic...

Juergen Freund / Scientific instruments to measure many elements related to rainforest treess including carbon dioxide exhaled, tree's water intake and flow, and growth rate.Daintree rainforest observatory, Queens...

Juergen Freund / Scientific instruments to measure many elements related to rainforest treess including carbon dioxide exhaled, tree's water intake and flow and growth rate. Daintree rainforest observatory, Queens...

Juergen Freund / Scientific instruments attached to trees to measure many different elements: carbon dioxide exhaled; tree's water intake and flow; growth rate. Daintree Rainforest Observatory, Queensland, Austral...

Juergen Freund / Scientific instruments attached to trees to measure many different elements: carbon dioxide exhaled; tree's water intake and flow; growth rate. Daintree Rainforest Observatory, Queensland, Austral...

Karine Aigner / Vials of blood from a Hermit thrush (Catharus guttatus) in a centrifuge after being spun. The centrifuge separates the plasma (yellow) from the packed red blood cells (red). This research is to measu...

Ashley Cooper / Scientist taking measurements as part of a study to measure the speed of the Russelll Glacier near Kangerlussuag Greenland, July 2008

Ashley Cooper / Scientist taking measurements as part of a study to measure the speed of the Russelll Glacier near Kangerlussuag Greenland, July 2008

Ashley Cooper / Scientific experiment by scientists from Sydney University, Australia, in the Snowy mountains. The study is monitoring C02 exchange between the atmosphere and the soil on a grassland plot. February 20...

Ashley Cooper / Scientist using dye tracing techniques as part of a study to measure the speed of the Russell Glacier near Kangerlussuag Greenland. July 2008

Ashley Cooper / Scientist taking measurements as part of a study to measure the speed of the Russell Glacier near Kangerlussuag, Greenland. July 2008

Ashley Cooper / Scientist using dye tracing techniques as part of a study to measure the speed of the Russell Glacier, near Kangerlussuag, Greenland. July 2008

Ashley Cooper / Scientist taking measurements as part of a study to measure the speed of the Russell Glacier near Kangerlussuag, Greenland. July 2008

Ashley Cooper / Scientist using dye tracing techniques as part of a study to measure the speed of the Russell Glacier, near Kangerlussuag, Greenland. July 2008

Ashley Cooper / Scientist using dye tracing techniques as part of a study to measure the speed of the Russell Glacier, near Kangerlussuag Greenland. July 2008

Ashley Cooper / Scientist using dye tracing techniques as part of a study to measure the speed of the Russell Glacier, near Kangerlussuag Greenland. July 2008

Ashley Cooper / Whitlee wind farm on Eaglesham Moor just south of Glasgow in Scotland, UK, is Europes largest onshore wind farm with 140 turbines and an installed capacity of 322 MW, enough energy to power 180,000 ho...

Ashley Cooper / Thermometer taking the air temperature as part of a study to measure the speed of the Russell Glacier near Kangerlussuaq, Greenland.

Ashley Cooper / Thermometer taking the air temperature as part of a study to measure the speed of the Russell Glacier near Kangerlussuaq Greenland. July 2008.

Jeff Rotman / Lobstermen measure lobsters to be certain that they can legally remove them from the sea, Portland, Maine, USA, December 2016. Model released.

Jeff Rotman / Lobstermen measure lobsters to be certain that they can legally remove them from the sea, Portland, Maine, USA, December 2016. Model released.

Ingo Arndt / Scientists implanting wires in the brain of a Desert locust (Schistocerca gregaria) to measure brain activity. University of Marburg, Germany. November 2013.

Ingo Arndt / Scientists implanting wires in the brain of a Desert locust (Schistocerca gregaria) to measure brain activity. University of Marburg, Germany. November 2013.

Ingo Arndt / Helicopter taking off with instrument "bird" to measure ice thickness. ISPOL (ICE Station Polarstern) Expedition 2004/2005 from Alfred Wegener Institute, Bremerhaven, Germany. The Icebreaker Polarster...

Ingo Arndt / Researchers install "iceberg transmitter" to measure the drift of the iceberg via satellite. ISPOL (ICE Station Polarstern) Expedition 2004/2005 from Alfred Wegener Institute, Bremerhaven, Germany. Th...

Terry Whittaker / Project Officer Dave Bavin conducting woodland surveys at potential release sites, using a wedge prism to measure density of forest, Pine Marten Recovery Project, Vincent Wildlife Trust, Ceredigion, W...

Terry Whittaker / Project Officer Dave Bavin conducting woodland surveys at potential release sites, using a wedge prism to measure density of forest, Pine Marten Recovery Project, Vincent Wildlife Trust, Ceredigion, W...

Floris van Breugel / Fruit fly (Drosophila melanogaster) tethered in LED illuminated chamber which stimulates moving visual patterns. Behind the fly is a camera, which is used to record its wing beat amplitude a rough me...

Sam Hobson / Seabird researchers measure Northern gannet (Morus bassanus) bill length. Bass Rock, Scotland, UK. August

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

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...

Cyril Ruoso / Researchers catching Komodo dragon (Varanus komodoensis) to measure and tag, Rinca Island, Komodo National Park, Indonesia. 2010

Cyril Ruoso / Researchers led by Tim Jessop, catching Komodo dragon (Varanus komodoensis) to weigh, measure and tag it, Rinca Island, Komodo National Park, Indonesia.

Cyril Ruoso / Komodo dragon (Varanus komodoensis) in cage caught by researchers led by Tim Jessop, to weigh, measure and tag, Rinca Island, Komodo National Park, Indonesia.

Cyril Ruoso / Komodo dragon (Varanus komodoensis) caught by researchers, led by Tim Jessop, to weigh, measure, and tag. Rinca Island, Komodo National Park, Indonesia.

Nick Upton / Roisin Campbell-Palmer of the Royal Zoological Society of Scotland using callipers to measure the tail of an Eurasian beaver (Castor fiber). Beaver from escaped population on River Otter. Project over...

Nick Upton / Dr. Fiona Mathews using calipers to measure the wing bone of a Greater horseshoe bat (Rhinolophus ferrumequinum) during a winter hibernation survey in an old Bath stone mine, Wiltshire, UK, February....

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 / Fisheries inspector weighs undersized Atlantic Cod (Gadus morhua) on deck of fishing trawler. Stellwagen Banks, New England, United States, North Atlantic Ocean

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

Konrad Wothe / Newborn kitten being weighed on scales

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 / Fishing for West coast rock lobster (Jasus lalandii) aboard the James Archer (Oceana fisheries) scientist from Department of Agriculture Forestry and Fisheries measuring carapace of lobster, whilst fi...

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

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

Cheryl-Samantha Owen / African penguin (Spheniscus demersus) chick being weighed in towel, part of Chick Bolstering Project, Southern African Foundation for the Conservation of Coastal Birds (SANCCOB), South Africa captive,...

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

Cheryl-Samantha Owen / Scientist 'candling' or shining a torch onto an African penguin (Spheniscus demersus) egg to check on development of the embryo, and marking its growth, part of Chick Bolstering Project, Southern Afri...

Cheryl-Samantha Owen / Scientist 'candling' or shining a torch onto an African penguin (Spheniscus demersus) egg to check on development of the embryo, and marking its growth, part of Chick Bolstering Project, Southern Afri...

Cheryl-Samantha Owen / Scientist 'candling' or shining a torch onto an African penguin (Spheniscus demersus) egg to check on development of the embryo, and marking its growth, part of Chick Bolstering Project, Southern Afri...

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

Tui De Roy / Haast Tokoeka or Southern Brown Kiwi (Apterix australis) with Phil Tisch and Tansy Bliss, Department of Conservation Kiwi Recovery team taking bill measurement, Haast Kiwi Sanctuary, Westland, New Zea...

Cyril Ruoso / Madagascar Paradise Flycatcher (Terpsiphone mutata) researcher using spectrograph to measure wave length of reflected light, Bealoka Reserve, Madagascar

Cyril Ruoso / Barn Swallow (Hirundo rustica) pair caught in mist net set by researchers who tag, weigh and measure the birds and release them the next morning before sunrise, Poitou, France

Eric Dragesco / Snow Leopard (Panthera uncia) droppings / faeces with tape measure for scale, Altai Mountains, Mongolia

Bert Willaert / Artificial pond habitat constructes as a conservation measure for the European midwife toad (Alytes obstetricans) Belgium, May 2011.

Roland Seitre / Antoine Cadi, scientist, and assistants measure the ventral shell of an African spurred tortoise (Centrochelys / Geochelone sulcata) Sahel desert, Ferlo North Reserve, Senegal, West Africa, Vulnerable...

Richard Du Toit / White Rhinoceros (Ceratotherium simum) with horns removed as anti-poaching measure, Rietvlei Nature Reserve, Gauteng, South Africa

Eric Dragesco / Snow Leopard (Panthera uncia) footprint / pug mark in snow, with tape measure for scale, Altai Mountains, Mongolia,

Solvin Zankl / Using fine electrodes to measure brain activity in Common fruit fly (Drosophila melanogaster) at the Vienna Drosophila RNAi Center, Institute for Molecular Pathology, Austria.

Richard Du Toit / Two White rhinoceros (Ceratotherium simum) both dehorned as anti poaching measure, Gauteng, South Africa, April

Chris Gomersall / 2020VISION / Sea angler measuring Great blue shark (Prionace glauca) on boat before tagging and release, Irish Sea off Pembrokeshire, Wales, UK, August 2010.

Chris Gomersall / 2020VISION / Sea angler measuring Great blue shark (Prionace glauca) on boat prior to tagging and release, Irish Sea off Pembrokeshire, Wales, UK, August 2010.

Tim Laman / Young boy helps his mother (orangutan researcher Cheryl Knott) measure the diameter of an orangutan food tree (Artocarpus sp.) with a measuring tape. Borneo, July 2007. Model released

Juergen Freund / Guests help out 'Undersea Explorer' marine biologist Qamar to engrave, photograph and measure caught Nautilus for research, Queensland, Australia, 2007

Juergen Freund / Guests help out 'Undersea Explorer' marine biologist Qamar to engrave, photograph and measure caught Nautilus for research, Queensland, Australia, 2007

Peter Cairns / naturepl.com / Deer stalker measuring and monitoring pine tree growth, Glenfeshie, Scotland.

Peter Cairns / naturepl.com / Deer stalker measuring and monitoring pine tree growth, Glenfeshie, Cairngorms, Scotland, UK, June.

XI ZHINONG / Naturalists measure Crested ibis {Nipponia nippon} Endangered, Shaanxi prov, China

Tim Laman / Hornbill research team led by Dr. Pilai Poonswad measure a captured Rufous-necked hornbill (Aceros nipalensis) Huai Kha Khaeng Wildlife Refuge, Thailand. IUCN Vulnerable

Fabio Liverani / Research scientists measure European pond turtle {Emys orbicularis} Parco Delta del Po, NE Italy 2008

Doug Perrine / Emmerson Simpson, of Sharks Unlimited, and Pamela Emery, of the Canadian Shark Conservation Society, measure a Porbeagle shark (Lamna nasus) which will be tagged and released for research, New Brunswi...

David Shale / Atlantic herring {Clupea harengus} against measure for size, Barents sea, Northern Europe

Juergen Freund / John Rumney catching and tagging white tip reef shark (Triaenodon obesus) - they rope lasso the tail of the white tip and bring the shark up to the boat to measure and ID the shark and attach a small...

Juergen Freund / John Rumney catching and tagging white tip reef shark (Triaenodon obesus) - they rope lasso the tail of the white tip and bring the shark up to the boat to measure and ID the shark and attach a small...

Juergen Freund / John Rumney catching and tagging white tip reef shark (Triaenodon obesus) - they rope lasso the tail of the white tip and bring the shark up to the boat to measure and ID the shark and attach a small...

Nature Production / Hercules Scarab Beetle {Dynastes hercules} beside measure to show large size, Japan

Nature Production / Grants' Rhinoceros Beetle {Dynastes granti} beside measure to show large size, Japan

Doug Perrine / Leopard sea cucumber {Bohadschia argus} emitting sticky cuvierian tubules from anus as defense measure, Mabul Island, Borneo, Malaysia

Doug Perrine / Researcher workers measure Leatherback turtle {Dermochelys coriacea} on beach at night, turtle has come onshore to lay eggs, Mexico

Solvin Zankl / Seeds of Common storksbill (Erodium cicutarium), Europe. In dry conditions, the ripe seeds are ejected from the fruit. The seed tails are formed from the persisting style which consists of hygroscopic...

Solvin Zankl / Seeds of Common storksbill (Erodium cicutarium), Europe. In dry conditions, the ripe seeds are ejected from the fruit. The seed tails are formed from the persisting style which consists of hygroscopic...

Solvin Zankl / Seeds of Common storksbill (Erodium cicutarium), Europe. In dry conditions, the ripe seeds are ejected from the fruit. The seed tails are formed from the persisting style which consists of hygroscopic...

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

Luiz Claudio Marigo / Researchers measure litter levels in Amazon rainforest, Manaus, Brazil

Flip Nicklin / Polar Bear (Ursus maritimus) researchers Dr. Malcolm Ramsey and Sean Farley, measure a tranquilized bear, Resolute, Canada

Flip Nicklin / Polar Bear (Ursus maritimus) researchers Dr. Malcolm Ramsey and Sean Farley, measure a tranquilized bear, Resolute, Canada

Juergen Freund / Researcher uses underwater fluorometer to measure health of coral polyps, Great Barrier

Jeff Rotman / Students measure Loggerhead turtle {Carretta carretta} Caribbean Sea.

Juergen Freund / Underwater Fluorometer enables scientists to measure health of coral polyps, Great Barrier Reef

Cyril Ruoso / Komodo Dragon (Varanus komodoensis) trap with biologist Tim Jessup and his team capture and measure, weigh, tag and test blood, Rinca Island, Komodo National Park, Indonesia

Paul D Stewart / Tableau to accompany Professor Agassiz opening sketch on 'The provinces of the animal world and their relationship to the types of man'. From Dr. Josiah C. Nott and George Gliddon's 'Types of Mankind'...