Sam Hobson / Blood samples collected by scientists working with urban goshawks (Accipiter gentilis). Berlin, Germany, May 2014. Nominated in the Melvita Nature Images Awards competition 2014.

Jabruson / Hammer Headed bats (Hypsignathus monstrosus) in gloved hand - live mist net catch for blood sampling in search of the unknown reservoir host for Ebola virus. Ebola outbreaks in Mbomo in 2003 killed 12...

Doug Gimesy / Platypus (Ornithorhynchus anatinus) blood taken from an anaesthetised platypus captured in field. It will be put into a test tube for later analysis. Dartmouth, Victoria, Australia. May 2018.

Doug Gimesy / Scientist taking blood sample from Platypus (Ornithorhynchus anatinus) Dartmouth, Victoria, Australia. May 2018. Model release supplied.

Doug Gimesy / Scientist taking blood sample from Platypus (Ornithorhynchus anatinus) Dartmouth, Victoria, Australia. May 2018. Model release supplied.

Doug Gimesy / A platypus (Ornithorhynchus anatinus) has a radio transponder surgically implanted by Dr Gilad Bino whilst anaesthetised in a make-shift surgical theatre in a lounge. This transponder will allow resea...

Doug Gimesy / A platypus (Ornithorhynchus anatinus) has a radio transponder surgically implanted by Dr Gilad Bino whilst anaesthetised in a make-shift surgical theatre in a lounge. This transponder will allow resea...

Doug Gimesy / Two researchers examine an anaesthetised platypus (Ornithorhynchus anatinus). Body measurements, blood, urine and DNA samples will be taken, and a temporary radio transponder could be glued to its t...

Doug Gimesy / Volunteer field assistant recording data from an anaesthetised platypus (Ornithorhynchus anatinus) as it starts to recover from the anesthetic. It was anaesthetised so a temporary radio transponder co...

Francisco Marquez / Researcher collecting a blood sample from a Greater flamingo (Phoenicopterus ruber) juvenile's leg during the ringing process, Fuente de Piedra lagoon, Malaga, Spain. August.

Karine Aigner / Blood sample collecting from Kirkland's warblers (Setophaga kirtlandii) Cat Island, Bahamas. April 2017.

David Perpinan / Field workers collecting blood from Blue-fronted amazon parrot (Amazona aestiva) chicks, Pantanal, Mato Grosso do Sul, Brazil.

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...

Nick Upton / Dr. Jenny Macpherson prepares a radiocollar for a Pine Marten (Martes martes) in a mobile vet clinic as veterinarian Alexandra Tomlinson packages up blood samples and Lizzie Croose records data, durin...

Nick Upton / Veterinarian Alexandra Tomlinson preparing Pine Marten (Martes martes) blood samples on microscope slides from animals trapped in Scottish woodland during a reintroduction project to Wales run by the...

Doug Perrine / Volunteers restraining a recently weaned male Hawaiian monk seal (Neomonachus schauinslandi) while Marine Mammal Center veterinarian Michelle Barbiers takes a blood sample prior to tagging. Keokea Bea...

SCOTLAND: The Big Picture / Vet from The Royal Zoological Society Scotland / RZSS taking a blood sample from a sedated Scottish wildcat (Felis silvestris grampia) male. Inside RZSS mobile vet unit, Strathsprey, Cairngorms Nation...

SCOTLAND: The Big Picture / Veterinarian from The Royal Zoological Society Scotland / RZSS with blood sample from Scottish wildcat (Felis silvestris grampia). To be used for genetic testing. Inside RZSS mobile vet unit, Strathsp...

SCOTLAND: The Big Picture / Conservationist for The Royal Zoological Society Scotland / RZSS and Scottish Wildcat Action Officer releasing a Scottish wildcat (Felis silvestris grampia) after taking blood and semen samples. Stra...

Nick Upton / Dr. Jenny Macpherson prepares a radiocollar for a Pine marten (Martes martes) in a mobile vet clinic as veterinarian Alexandra Tomlinson packages up blood samples and Lizzie Croose records data, durin...

Nick Upton / Veterinarian Alexandra Tomlinson prepares Pine marten (Martes martes) blood samples on microscope slides from animals trapped in Scottish woodland during a reintroduction project to Wales run by the V...

Sam Hobson / Blood sample collected by scientists working with urban goshawks (Accipiter gentilis). Berlin, Germany. May 2014.

Sam Hobson / Blood samples collected by scientists working with urban goshawks (Accipiter gentilis). Berlin, Germany. May 2014.

Jabruson / People in biohazard suits taking blood samples from bat to find the reservoir host of Ebola virus. Ebola Virus Disease in Mbomo killed 128 people in 2003 and in 2005 killed 95% of Odzala National Park...

Jabruson / People in biohazard suits taking blood samples from bat to find the reservoir host of Ebola virus. Ebola Virus Disease in Mbomo killed 128 people in 2003 and in 2005 killed 95% of Odzala National Park...

Jabruson / People in biohazard suits analysing blood samples to find the reservoir host of Ebola virus. Ebola Virus Disease in Mbomo killed 128 people in 2003 and in 2005 killed 95% of Odzala National Park's Wes...

Jabruson / People in biohazard suits analysing blood samples to find the reservoir host of Ebola virus. Ebola Virus Disease in Mbomo killed 128 people in 2003 and in 2005 killed 95% of Odzala National Park's Wes...

Laurent Geslin / Checking samples from Simien jackal {Canis simensis} Bale Mts NP, Ethiopia, 2004 Ethiopian Wolf Conservation Project

Laurent Geslin / Checking samples from Simien jackal {Canis simensis} Bale Mts NP, Ethiopia, 2004 Ethiopian Wolf Conservation Project

Suzi Eszterhas / Southern sea otter (Enhydra lutris) researcher Tim Tinker and veterinarian Dr. Mike Murray handling anesthetized otter after taking blood samples and tagging flippers, Big Sur Coastline, California, U...

Tui De Roy / Wolf Volcano giant tortoise (Chelonoidis nigra becki) Galapagos National Park team, taking blood samples for DNA analysis, Isabela Island, Galapagos

Pete Oxford / Female Jaguar (Panthera onca) under anaesthetic having blood taken from jugular vein for biometric data and physiological samples for a relocation project, captive, Fundacion Santa Martha Centro de Re...

Sebastian Kennerknecht / Santa Catalina Island Fox (Urocyon littoralis catalinae) blood samples, Santa Catalina Island, Channel Islands, California

Sebastian Kennerknecht / Santa Catalina Island Fox (Urocyon littoralis catalinae) biologist, Julie King, holding fox blood samples, Santa Catalina Island, Channel Islands, California

Charlie Hamilton-James / Team of conservationists and scientists taking blood, hair samples and measurements from a sedated female Greater kudu (Tragelaphus strepsiceros), Gorongosa National Park, Mozambique. May, 2018.

Charlie Hamilton-James / Team of conservationists and scientists taking blood, hair samples and measurements from a sedated female Greater kudu (Tragelaphus strepsiceros), Gorongosa National Park, Mozambique. May, 2018.

Charlie Hamilton-James / Team of conservationists and scientists taking blood, hair samples and measurements from a sedated male Greater kudu (Tragelaphus strepsiceros), Gorongosa National Park, Mozambique. May, 2018.

Doug Gimesy / Boobok owl (Ninox boobook) chick held by veterinary nurse while blood is taken for analysis. Chick treated for head trauma, likely caused by bird attack. Currumbin Wildlife Hospital, Gold Coast, Queen...

Tui De Roy / Galapagos National Park team taking blood samples from Wolf Volcano giant tortoise (Geochelone becki). This is used for DNA analysis to trace descendants of extinct Pinta and Floreana species to begin...

Doug Gimesy / Veterinarian and koala expert, Jon Hanger from the Endeavour Ecology Center, looking at a slide with a Koala (Phascolarctos cinereus) blood sample. Toorbul, Queensland, Australia. April, 2017. Edito...