Nick Upton / Louise Wilson of Conservation K9 Consultancy with sniffer dog Henry indicating that he has found a Hedgehog (Erinaceus europaeus) out foraging at night, Hartpury University, Gloucestershire, UK, June...

Nick Upton / Sniffer dog Henry on his handler's leash, approaching a Hedgehog (Erinaceus europaeus) out foraging at night he has caught the scent of, Hartpury University, Gloucestershire, UK, June 2019. Mo...

Nick Upton / Louise Wilson of Conservation K9 Consultancy with sniffer dog Henry indicating that he has found a Hedgehog (Erinaceus europaeus) out foraging at night, Hartpury University, Gloucestershire, UK, June...

Nick Upton / James Shipman inspecting a Serotine bat (Eptesicus serotinus) with a numbered ring he fitted a year earlier, caught during an autumn swarming survey run by the Wiltshire Bat Group, near Box, Wiltshire...

Tim Laman / Foja Mountains RAP Expedition herpetologist Paul Oliver examines a gecko he has just captured, that he believes is a new species.

Bryan and Cherry Alexander / Inuit hunter at night finishing an Igloo he has built. Igloolik, Nunavut, Canada, 1990.

Juergen Freund / Researcher Guido Westhoff working in a mobile lab in the bush. To handle the highly venomous Common death adder (Acanthophis antarcticus) he puts the head and upper portion of the snake in a plastic t...

Michael Durham / Allen's Big-eared Bat (Idionycteris phyllotis) reasearcher, Ben Solvesky, radio tracking female he had placed a transmitter on the night before, Arizona

Paul D Stewart / 1731 Physica Sacra (Sacred Physics) by Johann Scheuchzer (1672-1733) the fourth day of creation folio copper engraving (with later hand colouring) drawn by a team of engravers under the direction of J...