Juergen Freund / Scientists studying response to wet-dry seasonal transition in rainforest trees, in basket lifted by crane. Daintree rainforest observatory, Queensland, Australia. February 2015
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Juergen Freund / Scientists studying response to wet-dry seasonal transition in rainforest trees, in basket lifted by crane. Daintree rainforest observatory, Queensland, Australia. February 2015
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Juergen Freund / Scientists studying response to wet-dry seasonal transition in rainforest trees, in basket lifted by crane. Daintree rainforest observatory, Queensland, Australia. February 2015
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Denis-Huot,Denis-Huot / Lion (Panthera leo) male using 'flehmen response' to smell, Masai-Mara Game Reserve, Kenya. Vulnerable species.
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Guy Edwardes / 2020VISION / Starlings (Sturnus vulgaris) coming in to roost at Shapwick, Somerset Levels, Somerset, England, UK. Photographer quote: 'Several million starlings roost on the Somerset Levels during the winter month...
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Danny Green / 2020VISION / Red deer (Cervus elaphus) young stag tasting the air (flehmen response) Bradgate Park, Leicestershire, England, UK, October
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Gerrit Vyn / Aerial view of oiled bird nesting colonies in Barataria Bay area of the Mississippi River delta, with oil spill containment booms attempting to prevent more oil coming ashore. These waters are contami...
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David Woodfall / A sea wall being built to protect fishing village from floods, in response to rising sea levels due to climate change, Sundarbans, Bangladesh, June 2008
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David Woodfall / A sea wall being built to protect fishing village from floods, in response to rising sea levels due to climate change, Sundarbans, Bangladesh, June 2008
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Doug Gimesy / Drone, operated bya member of the Victorian Police Remote Piloted Aircraft Systems (Police Air Wing, Specialist Response Division) hovers near a koala (Phascolarctos cinereus). This drone is being use...
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Doug Gimesy / Member of the Victorian Police Remote Piloted Aircraft Systems (Police Air Wing, Specialist Response Division) looking at a screen which is displaying an image sent via a drone of a koala (Phascolarct...
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Doug Gimesy / Drone, operated by a member of the Victorian Police Remote Piloted Aircraft Systems (Police Air Wing, Specialist Response Division) hovers near a koala (Phascolarctos cinereus). This drone is being us...
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Doug Gimesy / Drone, operated by a member of the Victorian Police Remote Piloted Aircraft Systems (Police Air Wing, Specialist Response Division) hovers near a koala (Phascolarctos cinereus). This drone is being us...
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Doug Gimesy / Member of the Victorian Police Remote Piloted Aircraft Systems (Police Air Wing, Specialist Response Division) looking at a screen which is displaying an infra red image, sent via a drone, of a Koala...
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Ann & Steve Toon / Lion (Panthera leo) showing flehmen response, Zimanga private game reserve, KwaZulu-Natal, South Africa.
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David Hall / Blackfoot firefish (Parapterois heterura), blue striped pectoral fins displayed as a response to threat. Pantar Island, Alor Archipelago, Indonesia.
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Felis Images / Bengal tiger (Panthera tigris), walking on track, tongue out, tasting air in flehmen response. Ranthambore National Park, India. Photo Phillip Ross/Felis Images
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Andy Rouse / Bengal tiger (Panthera tigris) female showing flehmen response to detect scent on air. Ranthambhore National Park, India.
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Andy Rouse / Bengal tiger (Panthera tigris) female showing flehmen response to detect scent on air. Ranthambhore National Park, India.
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Suzi Eszterhas / Vet examining Sumatran orangutan (Pongo abelii) female rescued by Human Orangutan Conflict Response Unit. Rescued from area of clearcut forest and later released into a national park. Aceh Province, S...
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John Chan / Black-crowned night heron (Nycticorax nyticorax) raising its crest in response to a nearby threat, Southern California, USA, July.
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Juergen Freund / Dr. Raymond Dempsey studying response to wet-dry seasonal transition in rainforest trees, in basket lifted by crane. Daintree rainforest observatory, Queensland, Australia. February 2015
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Juergen Freund / Dr. Raymond Dempsey in crane studying response to wet-dry seasonal transition in rainforest trees, Daintree rainforest observatory, Queensland, Australia. February 2015
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Juergen Freund / Dr. Raymond Dempsey studying response to wet-dry seasonal transition in rainforest trees, in basket lifted by crane. Daintree rainforest observatory, Queensland, Australia. February 2015
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Juergen Freund / Dr. Raymond Dempsey studying response to wet-dry seasonal transition in rainforest trees, in basket lifted by crane. Daintree rainforest observatory, Queensland, Australia. February 2015
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Juergen Freund / Dr. Raymond Dempsey studying response to wet-dry seasonal transition in rainforest trees, in basket lifted by crane. Daintree rainforest observatory, Queensland, Australia. February 2015
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Juergen Freund / Dr. Raymond Dempsey studying response to wet-dry seasonal transition in rainforest trees, in basket lifted by crane. Daintree rainforest observatory, Queensland, Australia. February 2015
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Juergen Freund / Scientist Dr Raymond Dempsey researching rainforest treess response to wet-dry seasonal transition from special research crane. Daintree Rainforest Observatory, Queensland, Australia. February 2015
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Juergen Freund / Scientist Dr Raymond Dempsey researching rainforest treess response to wet-dry seasonal transition from special research crane. Daintree Rainforest Observatory, Queensland, Australia. February 2015
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Juergen Freund / Scientist Dr Raymond Dempsey researching rainforest treess response to wet-dry seasonal transition from special research crane. Daintree Rainforest Observatory, Queensland, Australia. February 2015
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Jed Weingarten / Wild Wonders of China / White-lipped deer (Cervus albirostris) buck showing flehmen response, Serxu, Garze Prefecture, Sichuan Province, China
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Jed Weingarten / Wild Wonders of China / White-lipped deer (Cervus albirostris) showing flehmen response, Serxu, Garze Prefecture, Sichuan Province, China
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Andrew Walmsley / Tree climbing training for Human Orangutan Conflict Response Unit (HOCRU) team members in a forest in North Sumatra, April 2015
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Andrew Walmsley / Tree climbing training for Human Orangutan Conflict Response Unit (HOCRU) team members in a forest in North Sumatra, April 2015.
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Andrew Walmsley / Tree climbing training for Human Orangutan Conflict Response Unit (HOCRU) team members in a forest in North Sumatra, April 2015.
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Nick Upton / Hebridean sheep (Ovis aries) ram showing flehmen response as it smells nearby ewe in meadow, Rutland Water, Rutland, UK, November.
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Jabruson / Sumatran orangutan (Pongo abelii) relocation capture. Young orangutan caught in strapping after being isolated in tree. Mother and young reported to Human Orangutan Conflict Response Unit (HOCRU), as...
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Jabruson / Sumatran orangutan (Pongo abelii) relocation capture. Mother and young reported to Human Orangutan Conflict Response Unit (HOCRU), as seen in isolated tree in an area being cleared for palmnut forest...
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Ann & Steve Toon / Impala (Aepyceros melampus) ram exhibiting flehmen response, iMfolozi game reserve, KwaZulu-Natal, South Africa, August
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Chris Mattison / Cheiridopsis species, seed capsule open in response to rain. Namaqualand, South Africa.
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Chris Mattison / Cheiridopsis species, seed capsule open in response to rain. Namaqualand, South Africa.
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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...
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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...
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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...
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Jeff Vanuga / Shiras moose (Alces alces shirasi) male, flehmen response / lip curling with mountains in background, Grand Teton National Park, Wyoming.
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Jeff Vanuga / Bison (Bison bison) bull lip curling / flehmen response in mist, Yellowstone National Park, Wyoming, USA. September.
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Ashley Cooper / Paramedics from the Great north Air Ambulance and members of Langdale/Ambleside Mountain Rescue evacuate an injured man who fell into Wrynose Beck. England, UK. July 2009
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Ashley Cooper / Pine Processionary Caterpiller (Thaumetopoea pityocampa) silk tent, in pine trees in the Sierra Nevada mountains of southern Spain. May 2011
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Ashley Cooper / Wild Flowers growing in the Dolomite mountains of Italy. Many alpine flowers are emerging earlier in the spring and migrating up the mountain sides in response to climate change.
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Neil Aldridge / Scarred face of a white rhinoceros (Ceratotherum simum) that survived an attack by poachers who illegally tranquillised her, two other rhinoceroses died from their injures. However this female 'Th...
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Jeff Foott / Jaguar (Panthera onca) female , smelling scent marking of male. Cuiaba River, Pantanal Matogrossense National Park, Pantanal, Brazil.
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Denis-Huot / Lion (Panthera leo), male showing flehmen response, Masai-Mara Game Reserve, Kenya
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Emanuele Biggi / Plains zebra (Equus quagga) flehmen response, Etosha National Park, Namibia
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Phil Savoie / Welsh mountain pony, flehmen response.
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Cyril Ruoso / Feral Horse (Equus caballus) flehmen response, Namib-Naukluft National Park, Namibia
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Dong Lei / White-lipped deer (Cervus albirostris) stag flehmen response, Sanjiangyuan National Nature Reserve, Qinghai Hoh Xil UNESCO World Heritage Site, Qinghai-Tibet Plateau, Qinghai Province, China.
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Ann & Steve Toon / Springbok ram (Antidorcas marsupialis) exhibiting flehmen response, Kgalagadi Transfrontier Park, Northern Cape, South Africa.
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Denis-Huot / Lion (Panthera leo), male flehmen response, scenting female's urine to see if she is on heat, Masai-Mara Game Reserve, Kenya
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Denis-Huot / Lion (Panthera leo) male flehmen response, scenting female's urine to see if she is on heat,, Masai-Mara Game Reserve, Kenya
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Denis-Huot / Lion (Panthera leo) male flehmen response, scenting female's urine to see if she is on heat, Masai-Mara Game Reserve, Kenya
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Nick Upton / Greylag goose (Anser anser) standing on flooded marshland, calling in response to others, Gloucestershire, England, UK, January.
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Nick Hawkins / Baird's tapir (Tapirus bairdii) displaying flehman response in Corcovado National Park, Costa Rica, May. Endangered
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Eric Baccega / African lion male (Panthera leo) showing flehmen response scenting nearby females. Okavango delta. Moremi National Park, Botswana
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Eric Baccega / African lion male (Panthera leo) showing flehmen response scenting nearby females. Okavango delta. Moremi National Park, Botswana
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Eric Baccega / African lion male (Panthera leo) showing flehmen response scenting nearby females. Okavango delta. Moremi National Park, Botswana
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Mark Taylor / Pygmy Goat showing flehmen response.
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Sylvain Cordier / South American tapir (Tapirus terrestris) close up of the head, showing the teeth during flehmen response. Captive at zoo.
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Sylvain Cordier / Rocky mountain bighorn sheep (Ovis canadensis canadensis) males in breeding season exhibiting flehmen response, Jasper National Park, Canada
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Sylvain Cordier / Rocky mountain bighorn sheep (Ovis canadensis canadensis) males in breeding season exhibiting flehmen response to scent for females on heat, Jasper National Park, Canada
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Sylvain Cordier / Camargue horse flehmen response, Bouches du Rhone, France May.
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Niall Benvie / RF- Icelandic horse showing flehmen response, Iceland. July. (This image may be licensed either as rights managed or royalty free.)
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Niall Benvie / RF- Icelandic horse showing flehmen response, Iceland. July. (This image may be licensed either as rights managed or royalty free.)
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Suzi Eszterhas / Sumatran Orangutan (Pongo abelii) conflict response unit members, Sumatra, Indonesia
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Suzi Eszterhas / Sumatran Orangutan (Pongo abelii) female climbing trees after being rescued from clearcut forest area by the Human Orangutan Conflict Response Unit, Gunung Leuser National Park, Sumatra, Indonesia
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Suzi Eszterhas / Sumatran Orangutan (Pongo abelii) female being released after being rescued from clearcut forest area by the Human Orangutan Conflict Response Unit, Gunung Leuser National Park, Sumatra, Indonesia
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Suzi Eszterhas / Sumatran Orangutan (Pongo abelii) female being released after being rescued from clearcut forest area by the Human Orangutan Conflict Response Unit, Gunung Leuser National Park, Sumatra, Indonesia
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Suzi Eszterhas / Sumatran Orangutan (Pongo abelii) female being rescued from clearcut forest area by the Human Orangutan Conflict Response Unit, Sumatra, Indonesia
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Suzi Eszterhas / Sumatran Orangutan (Pongo abelii) female being rescued from clearcut forest area by the Human Orangutan Conflict Response Unit, Sumatra, Indonesia
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Suzi Eszterhas / Sumatran Orangutan (Pongo abelii) female being rescued from clearcut forest area by the Human Orangutan Conflict Response Unit, Sumatra, Indonesia
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Suzi Eszterhas / Sumatran Orangutan (Pongo abelii) female being rescued from clearcut forest area by the Human Orangutan Conflict Response Unit, Sumatra, Indonesia
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Suzi Eszterhas / Sumatran Orangutan (Pongo abelii) female being rescued from clearcut forest area by the Human Orangutan Conflict Response Unit, Sumatra, Indonesia
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Suzi Eszterhas / Sumatran Orangutan (Pongo abelii) conflict response unit members searching for individual in need of evacuation from logged area, Sumatra, Indonesia
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Carol Walker / Wild palomino Mustang filly flehmen response, Pryor Mountains, Montana, USA. June 2013.
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Sebastian Kennerknecht / Mountain Lion (Puma concolor) biologist, Justine Smith, setting up audio response equipment, Santa Cruz Puma Project, Santa Cruz Mountains, California
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Richard Du Toit / Zebra (Equus quaggai) stallion flehmen response, Rietvlei Nature Reserve, Gauteng Province, South Africa, November.
Richard Du Toit / South African giraffe (Giraffa camelopardalis giraffa) exhibiting flehmen response, Kruger National Park, South Africa; South Africa.
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Cyril Ruoso / Red deer (Cervus elaphus elaphus) stag flehmen response, walking towards hind during autumn rut, Denmark, September.
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Donald M. Jones / White-tailed Deer (Odocoileus virginianus) buck lip curling, Montana
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Denis-Huot / Lion (Panthera leo) male using 'flehmen response' to smell, Masai-Mara game reserve, Kenya.
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Anup Shah / Lion (Panthera leo) male using 'Flemen' response to establish by smell if a Lioness (Panthera leo) is ready to mate. Maasai Mara National Reserve, Kenya.
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Denis-Huot / Lion (Panthera leo) male showing flehmen response, Masai Mara Game Reserve, Kenya
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Andy Rouse / Bengal Tiger (Panthera tigris tigris) male 'Sultan T72' showing flehmen response at territorial marking. Ranthambore National Park, India.
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Tony Heald / Black rhinoceros (Diceros bicornis) showing flehmen response, Etosha National Park, Namibia.
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Tony Heald / Black rhinoceros (Diceros bicornis) showing flehmen response, Etosha National Park, Namibia.
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Denis-Huot / Lion (Panthera leo) male showing flehmen response. Masai-Mara Game Reserve, Kenya