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...

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.

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

Ashley Cooper / Medecins sans Frontieres clinic in Makhanga testing local people, many of whom now have malaria. A result of the January 2015 floods, the drying up flood waters provided an ideal breeding grounds for...

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...

Sebastian Kennerknecht / Mountain Lion (Puma concolor) biologist, Justine Alyssa Smith, transferring blood for analysis, Santa Cruz Puma Project, UCSC Campus, Santa Cruz, Monterey Bay, California

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.

Jeff Rotman / Scientists use technology to bleed Horseshoe Crabs (Limulus polyphemus) to extract blue, copper based blood, lysate, used in testing purity levels in various medicines. Woods Hole Oceanographic Instit...