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Juvenile Hawksbill turtle (Eretmochelys imbricata) released by biologist after being tagged, Cayman; Cayman Islands Archipelago. - Jordi  Chias
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Jordi Chias / Juvenile Hawksbill turtle (Eretmochelys imbricata) released by biologist after being tagged, Cayman; Cayman Islands Archipelago.
Wildlife biologist Valery Kopsco, with a young Black-footed Ferrets (Mustela nigripes), part of a reintroduction project at Bowdoin National Wildlife Refuge, Montana, March 2002. - Roland Seitre
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Roland Seitre / Wildlife biologist Valery Kopsco, with a young Black-footed Ferrets (Mustela nigripes), part of a reintroduction project at Bowdoin National Wildlife Refuge, Montana, March 2002.
Researcher Guy Stevens photographs belly spot identification pattern of Reef manta ray (Manta alfredi formerly Manta birostris) feeding on plankton, Hanifaru Bay, Baa Atoll, Maldives, Indian Ocean, Oc... - Doug Perrine
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Doug Perrine / Researcher Guy Stevens photographs belly spot identification pattern of Reef manta ray (Manta alfredi formerly Manta birostris) feeding on plankton, Hanifaru Bay, Baa Atoll, Maldives, Indian Ocean, Oc...
Self portrait of biologist / photographer, Tim Laman, climbing a rope into the rainforest canopy in Borneo. Gunung Palung National Park, Borneo, West Kalimantan, Indonesia - Tim Laman
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Tim Laman / Self portrait of biologist / photographer, Tim Laman, climbing a rope into the rainforest canopy in Borneo. Gunung Palung National Park, Borneo, West Kalimantan, Indonesia
Polar Bear {Ursus maritimus} anaesthetised 3/4-months cub held by biologist Nick Lunn during examination, Wapusk NP, Manitoba, Canada - Suzi Eszterhas
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Suzi Eszterhas / Polar Bear {Ursus maritimus} anaesthetised 3/4-months cub held by biologist Nick Lunn during examination, Wapusk NP, Manitoba, Canada
Biologist releases Olive Ridley turtle hatchlings from study nest, Santa Rosa NP Costa Rica - Doug Wechsler
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Doug Wechsler / Biologist releases Olive Ridley turtle hatchlings from study nest, Santa Rosa NP Costa Rica
Researcher Jim Lewis curator of the true bug collection at INBio, San Jose, Costa Rica - Ingo Arndt
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Ingo Arndt / Researcher Jim Lewis curator of the true bug collection at INBio, San Jose, Costa Rica
Pygmy Three-toed Sloth (Bradypus pygmaeus) biologist, Rebecca Cliffe, taking hair samples, Isla Escudo de Veraguas, Panama - Suzi Eszterhas
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Suzi Eszterhas / Pygmy Three-toed Sloth (Bradypus pygmaeus) biologist, Rebecca Cliffe, taking hair samples, Isla Escudo de Veraguas, Panama
Snowy Plover (Charadrius nivosus) biologist, Ben Pearl, picking up chick from mud flat in salt pond, Eden Landing Ecological Reserve, Union City, Bay Area, California - Sebastian Kennerknecht
00562966
Sebastian Kennerknecht / Snowy Plover (Charadrius nivosus) biologist, Ben Pearl, picking up chick from mud flat in salt pond, Eden Landing Ecological Reserve, Union City, Bay Area, California
Mountain Lion (Puma concolor) biologist, Paul Houghtaling, using telemetry to track mother and cubs near houses, Santa Cruz Puma Project, Santa Cruz, Monterey Bay, California - Sebastian Kennerknecht
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Sebastian Kennerknecht / Mountain Lion (Puma concolor) biologist, Paul Houghtaling, using telemetry to track mother and cubs near houses, Santa Cruz Puma Project, Santa Cruz, Monterey Bay, California
Cristian Samper examines the initial descending root of a Clusia hemiepiphyte in rainforest canopy, La Planada, Colombia - Mark Moffett
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Mark Moffett / Cristian Samper examines the initial descending root of a Clusia hemiepiphyte in rainforest canopy, La Planada, Colombia
Entomologist Terry Erwin fogging tree with biodegradable pesticide to collect insect specimens, Pacaya-Samiria National Reservation, Peru - Mark Moffett
00091268
Mark Moffett / Entomologist Terry Erwin fogging tree with biodegradable pesticide to collect insect specimens, Pacaya-Samiria National Reservation, Peru
Bowhead Whale (Balaena mysticetus) noses the kayak of biologist Kerry Finley, Isabella Bay, Baffin Island, Canada - Flip Nicklin
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Flip Nicklin / Bowhead Whale (Balaena mysticetus) noses the kayak of biologist Kerry Finley, Isabella Bay, Baffin Island, Canada
Humpback Whale (Megaptera novaeangliae) filmed by diver Chuck Nicklin, Maui - Flip Nicklin
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Flip Nicklin / Humpback Whale (Megaptera novaeangliae) filmed by diver Chuck Nicklin, Maui
Marine biologist measuring Brain coral (Colpophyllia natans), ongoing program to monitor and restore coral reefs in The Bahamas. Eleuthera, Bahamas. 2017. - Shane Gross
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Shane Gross / Marine biologist measuring Brain coral (Colpophyllia natans), ongoing program to monitor and restore coral reefs in The Bahamas. Eleuthera, Bahamas. 2017.
Sand cliff towering above wildlife biologists in boat on Mpassa river, Bateke Plateau National Park, Gabon. 2019. - Eric Baccega
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Eric Baccega / Sand cliff towering above wildlife biologists in boat on Mpassa river, Bateke Plateau National Park, Gabon. 2019.
Wildlife biologists from The Aspinall Foundation feeding Western lowland gorilla (Gorilla gorilla gorilla) male silverback aged 37 years. Rescued as an orphan and released into wild in 2013. Reintrodu... - Eric Baccega
01625627
Eric Baccega / Wildlife biologists from The Aspinall Foundation feeding Western lowland gorilla (Gorilla gorilla gorilla) male silverback aged 37 years. Rescued as an orphan and released into wild in 2013. Reintrodu...
Wildlife biologist from The Aspinall Foundation and director of Beauval Zoo observing Western lowland gorilla (Gorilla gorilla gorilla) male aged 37 years. Rescued as an orphan and reintroduced in 201... - Eric Baccega
01625621
Eric Baccega / Wildlife biologist from The Aspinall Foundation and director of Beauval Zoo observing Western lowland gorilla (Gorilla gorilla gorilla) male aged 37 years. Rescued as an orphan and reintroduced in 201...
Wildlife biologist from The Aspinall Foundation and director of Beauval Zoo observing Western lowland gorilla (Gorilla gorilla gorilla) male aged 37 years. Rescued as an orphan and reintroduced in 201... - Eric Baccega
01625620
Eric Baccega / Wildlife biologist from The Aspinall Foundation and director of Beauval Zoo observing Western lowland gorilla (Gorilla gorilla gorilla) male aged 37 years. Rescued as an orphan and reintroduced in 201...
Marine biologist Dr. Heather Masonjones tags a seahorse (Hippocampus erectus) to study a land locked alakaline lagoon's population. Through this method of injecting a non-toxic dye that can only b... - Shane Gross
01622142
Shane Gross / Marine biologist Dr. Heather Masonjones tags a seahorse (Hippocampus erectus) to study a land locked alakaline lagoon's population. Through this method of injecting a non-toxic dye that can only b...
Marine biologist Dr. Heather Masonjones tags a seahorse (Hippocampus erectus) to study a land locked alakaline lagoon's population. Through this method of injecting a non-toxic dye, that can only... - Shane Gross
01622133
Shane Gross / Marine biologist Dr. Heather Masonjones tags a seahorse (Hippocampus erectus) to study a land locked alakaline lagoon's population. Through this method of injecting a non-toxic dye, that can only...
RSPB biologist John Tayton creating artificial Manx shearwater (Puffinus puffinus) nest sites, Garbh Eilean, Shiant Isles, Outer Hebrides, Scotland, UK. June 2018. - SCOTLAND: The Big Picture
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SCOTLAND: The Big Picture / RSPB biologist John Tayton creating artificial Manx shearwater (Puffinus puffinus) nest sites, Garbh Eilean, Shiant Isles, Outer Hebrides, Scotland, UK. June 2018.
RSPB biologist John Tayton creating artifical manx shearwater nest sites, Garbh Eilean, Shiant Isles, Outer Hebrides, Scotland, UK. June, 2018. - SCOTLAND: The Big Picture
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SCOTLAND: The Big Picture / RSPB biologist John Tayton creating artifical manx shearwater nest sites, Garbh Eilean, Shiant Isles, Outer Hebrides, Scotland, UK. June, 2018.
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
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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...
Biologist Teague Scott releases a white-backed vulture (Gyps africanus) that has just been fitted with wing tags. Biologists work quickly to minimize the stress that these birds experience during capt... - Jen Guyton
01607397
Jen Guyton / Biologist Teague Scott releases a white-backed vulture (Gyps africanus) that has just been fitted with wing tags. Biologists work quickly to minimize the stress that these birds experience during capt...
Biologist Eric Hallingstad carrying white-backed vulture (Gyps africanus) to the processing station, to fit it with a wing tag and GPS transmitter. Gorongosa National Park, Mozambique - Jen Guyton
01607389
Jen Guyton / Biologist Eric Hallingstad carrying white-backed vulture (Gyps africanus) to the processing station, to fit it with a wing tag and GPS transmitter. Gorongosa National Park, Mozambique
Biologist Eric Hallingstad carrying white-backed vulture (Gyps africanus) to the processing station, to fit it with a wing tag and GPS transmitter. Gorongosa National Park, Mozambique - Jen Guyton
01607388
Jen Guyton / Biologist Eric Hallingstad carrying white-backed vulture (Gyps africanus) to the processing station, to fit it with a wing tag and GPS transmitter. Gorongosa National Park, Mozambique
Young Mozambican biologist Diolinda Mundoza releasing a white-headed vulture (Trigonoceps occipitalis), Gorongosa National Park, Mozambique. - Jen Guyton
01607387
Jen Guyton / Young Mozambican biologist Diolinda Mundoza releasing a white-headed vulture (Trigonoceps occipitalis), Gorongosa National Park, Mozambique.
Young Mozambican biologist Diolinda Mundoza admires a young white-headed vulture (Trigonoceps occipitalis) as she prepares to release it. Gorongosa National Park, Mozambique. - Jen Guyton
01607386
Jen Guyton / Young Mozambican biologist Diolinda Mundoza admires a young white-headed vulture (Trigonoceps occipitalis) as she prepares to release it. Gorongosa National Park, Mozambique.
Biologist feeding Hermit thrush (Catharus guttatus) a mixture of elderberry powder. This powder is full of an antioxidant called anthocyanin. The anthocynanin is thought to help birds recover from and... - Karine Aigner
01604660
Karine Aigner / Biologist feeding Hermit thrush (Catharus guttatus) a mixture of elderberry powder. This powder is full of an antioxidant called anthocyanin. The anthocynanin is thought to help birds recover from and...
Biologist blowing on the breast of a Hermit thrush (Catharus guttatus) in order to separate feathers to see how much fat the bird has gained. Fat gain is important for migratory birds as they use a lo... - Karine Aigner
01604659
Karine Aigner / Biologist blowing on the breast of a Hermit thrush (Catharus guttatus) in order to separate feathers to see how much fat the bird has gained. Fat gain is important for migratory birds as they use a lo...
Biologist about to harness Hermit thrush (Catharus guttatus) with nano-transmitter.  Block island, Rhode Island, USA. - Karine Aigner
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Karine Aigner / Biologist about to harness Hermit thrush (Catharus guttatus) with nano-transmitter. Block island, Rhode Island, USA.
Wax worms are portioned out by weight as biologist studying Hermit thrush (Catharus guttatus). The food is weighed out to test how much food it takes for the birds to fatten adequately before migratio... - Karine Aigner
01604657
Karine Aigner / Wax worms are portioned out by weight as biologist studying Hermit thrush (Catharus guttatus). The food is weighed out to test how much food it takes for the birds to fatten adequately before migratio...
Biologist harnessing a Hermit thrush (Catharus guttatus) with nano-transmitter.  Block island, Rhode Island, USA. - Karine Aigner
01604652
Karine Aigner / Biologist harnessing a Hermit thrush (Catharus guttatus) with nano-transmitter. Block island, Rhode Island, USA.
Biologist taking blood samples from Hermit thrush (Catharus guttatus) for scientific study looking at antioxidant capacity in blood and oxidative damage caused during migration.  Block island, Rhode I... - Karine Aigner
01604647
Karine Aigner / Biologist taking blood samples from Hermit thrush (Catharus guttatus) for scientific study looking at antioxidant capacity in blood and oxidative damage caused during migration. Block island, Rhode I...
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
01604603
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.
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
01604602
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.
Biologist burying Olive Ridley Turtle (Lepidochelys olivacea) eggs seized from poachers by the authorities, Arribada (mass nesting event), Playa Morro Ayuta, Oaxaca state, southern Mexico. Vulnerable... - Claudio  Contreras
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Claudio Contreras / Biologist burying Olive Ridley Turtle (Lepidochelys olivacea) eggs seized from poachers by the authorities, Arribada (mass nesting event), Playa Morro Ayuta, Oaxaca state, southern Mexico. Vulnerable...
Conservation biologist Isamberto Silva, climbing to the  Castanheira Valley, the sole habitat of the Deserta Grande wolf spider (Hogna ingens), Deserta Grande Madeira, Portugal, 2013. - Emanuele Biggi
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Emanuele Biggi / Conservation biologist Isamberto Silva, climbing to the Castanheira Valley, the sole habitat of the Deserta Grande wolf spider (Hogna ingens), Deserta Grande Madeira, Portugal, 2013.
Conservation biologist Isamberto Silva holding a female Deserta Grande wolf spider (Hogna ingens), Deserta Grande, Madeira, Portugal. Critically endangered. - Emanuele Biggi
01579597
Emanuele Biggi / Conservation biologist Isamberto Silva holding a female Deserta Grande wolf spider (Hogna ingens), Deserta Grande, Madeira, Portugal. Critically endangered.
Park biologists place a hide to watch a troop of mandrills (Mandrillus sphinx). Lopé National Park, Ecosystem and Relict Cultural Landscape of Lopé-Okanda UNESCO World Heritage Site, Gabon. - Enrique Lopez-Tapia
01576855
Enrique Lopez-Tapia / Park biologists place a hide to watch a troop of mandrills (Mandrillus sphinx). Lopé National Park, Ecosystem and Relict Cultural Landscape of Lopé-Okanda UNESCO World Heritage Site, Gabon.
Park biologists radio tracking a troop of Mandrills (Mandrillus sphinx) on the map. Lopé National Park, Ecosystem and Relict Cultural Landscape of Lopé-Okanda UNESCO World Heritage Site, Gabon. - Enrique Lopez-Tapia
01576854
Enrique Lopez-Tapia / Park biologists radio tracking a troop of Mandrills (Mandrillus sphinx) on the map. Lopé National Park, Ecosystem and Relict Cultural Landscape of Lopé-Okanda UNESCO World Heritage Site, Gabon.
Park biologists radio tracking a troop of Mandrills (Mandrillus sphinx) on the map. Lopé National Park, Ecosystem and Relict Cultural Landscape of Lopé-Okanda UNESCO World Heritage Site, Gabon. - Enrique Lopez-Tapia
01576853
Enrique Lopez-Tapia / Park biologists radio tracking a troop of Mandrills (Mandrillus sphinx) on the map. Lopé National Park, Ecosystem and Relict Cultural Landscape of Lopé-Okanda UNESCO World Heritage Site, Gabon.
Park biologists radio tracking a troop of Mandrills (Mandrillus sphinx) on the map. Lopé National Park, Ecosystem and Relict Cultural Landscape of Lopé-Okanda UNESCO World Heritage Site, Gabon. - Enrique Lopez-Tapia
01576852
Enrique Lopez-Tapia / Park biologists radio tracking a troop of Mandrills (Mandrillus sphinx) on the map. Lopé National Park, Ecosystem and Relict Cultural Landscape of Lopé-Okanda UNESCO World Heritage Site, Gabon.
Park biologists radio tracking a troop of Mandrills (Mandrillus sphinx) on the map. Lopé National Park, Ecosystem and Relict Cultural Landscape of Lopé-Okanda UNESCO World Heritage Site, Gabon. - Enrique Lopez-Tapia
01576851
Enrique Lopez-Tapia / Park biologists radio tracking a troop of Mandrills (Mandrillus sphinx) on the map. Lopé National Park, Ecosystem and Relict Cultural Landscape of Lopé-Okanda UNESCO World Heritage Site, Gabon.
Park biologists radio tracking a troop of Mandrills (Mandrillus sphinx) on the map. Lopé National Park, Ecosystem and Relict Cultural Landscape of Lopé-Okanda UNESCO World Heritage Site, Gabon. - Enrique Lopez-Tapia
01576850
Enrique Lopez-Tapia / Park biologists radio tracking a troop of Mandrills (Mandrillus sphinx) on the map. Lopé National Park, Ecosystem and Relict Cultural Landscape of Lopé-Okanda UNESCO World Heritage Site, Gabon.
Park biologists radio tracking a troop of Mandrills (Mandrillus sphinx) on the map. Lopé National Park, Ecosystem and Relict Cultural Landscape of Lopé-Okanda UNESCO World Heritage Site, Gabon. - Enrique Lopez-Tapia
01576849
Enrique Lopez-Tapia / Park biologists radio tracking a troop of Mandrills (Mandrillus sphinx) on the map. Lopé National Park, Ecosystem and Relict Cultural Landscape of Lopé-Okanda UNESCO World Heritage Site, Gabon.
Park biologiss radiotracking mandrills (Mandrillus sphinx). Lopé National Park, Ecosystem and Relict Cultural Landscape of Lopé-Okanda UNESCO World Heritage Site, Gabon. - Enrique Lopez-Tapia
01576848
Enrique Lopez-Tapia / Park biologiss radiotracking mandrills (Mandrillus sphinx). Lopé National Park, Ecosystem and Relict Cultural Landscape of Lopé-Okanda UNESCO World Heritage Site, Gabon.
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