Jeff Rotman / Irula Snake Tribe member holding vials of snake anti-venom for Viper, Krait and Cobra bites. Southern India.

Doug Gimesy / Researcher placing a piece of platypus tissue (Ornithorhynchus anatinus) into a vial. From this piece, the DNA will be analysed back in the lab to help compare differences that may exist between popu...

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...

Solvin Zankl / Student with vial of micro plastics from marine samples, in the lab of the tall ship Corwith Cramer. Sargasso Sea, Bermuda. April 2014.

Tom Marshall / Badger (Meles meles) bovine tuberculosis vaccination kit including two-part vaccine components, syringes and hard-case for use in the field. Showing label on vial. Cheshire / Shropshire border, UK, Se...

Mark Moffett / Wind Scorpion (Eremobates constricta) being caught in a glass vial by researchers in the desert, Baja California, Mexico

Gary Braasch / Vial of air collected to analyse CO2 content at the National Oceanic and Atmospheric Administration's atmospheric and space observatory, Mauna Loa, Hawaii. March, 2011.

Joel Sartore / Photo Ark / Dusky seaside sparrow (Ammospiza maritimus nigrescens), the last of the species, in a vial of alcohol. This species went extinct in 1987, after their last habitats in northeast Florida were ruined by...

Ingo Arndt / Honey bee (Apis mellifera) dead specimens collected from a tree hole beehive, Germany.