Chris Gomersall / 2020VISION / Passengers on observation deck of Sea Life Surveys vessel Sula Beag watching a Bottlenose dolphin (Tursiops truncatus) bow riding in the Sound of Mull, Inner Hebrides, Scotland, UK, July 2011. 2020VIS...

Karine Aigner / African elephant (Loxodonta africana) male surveys the scene before drinking water. Ndutu area, Serengeti National Park, Tanzania

Nick Upton / Hemlock water dropwort stem (Oenanthe crocata) cut by a Water vole (Arvicola amphibius) at a tell-tale 45 degree angle, found during a survey for signs of Water vole activity. This plant is highly to...

Nick Upton / Footprints of Water voles (Arvicola amphibius), or possibly Brown rats (Rattus norvegicus) pointed out on a muddy river bank, found during a survey for signs of Water voles, near Bude, Cornwall, UK, A...

Terry Whittaker / Project Officer Dave Bavin conducting woodland surveys and checking Field vole burrows at potential release sites for Pine marten (Martes martes) part of Pine Marten Recovery Project, Vincent Wildlife...

Terry Whittaker / Project Officer Dave Bavin (and his dog Bryn) conducting woodland surveys at potential release sites, Pine Marten Recovery Project, Vincent Wildlife Trust, Ceredigion, Wales, UK 2015

Terry Whittaker / Project Officer Dave Bavin conducting woodland surveys at potential release sites, using a wedge prism to measure density of forest, Pine Marten Recovery Project, Vincent Wildlife Trust, Ceredigion, W...

Terry Whittaker / Project Officer Dave Bavin conducting woodland surveys at potential release sites, using a wedge prism to measure density of forest, Pine Marten Recovery Project, Vincent Wildlife Trust, Ceredigion, W...

Terry Whittaker / Project Officer Dave Bavin conducting woodland surveys at potential release sites, Pine Marten Recovery Project, Vincent Wildlife Trust, Ceredigion, Wales, UK 2015

Terry Whittaker / Conducting woodland surveys at potential release sites noting Badger track (Meles meles) Pine Marten Recovery Project, Vincent Wildlife Trust, Ceredigion, Wales, UK 2015

Matthew Maran / Conservationist holding Hedgehog (Erinaceus europaeus) at night during survey work, Hampstead Heath, London, England, UK. September.

Nick Upton / Bechstein's bat (Myotis bechsteinii) held above a Natterer's bat (Myotis nattereri) for comparison during an autumn swarming survey run by the Wiltshire Bat Group, near Box, Wiltshire, UK, September....