Suzi Eszterhas / Pygmy Three-toed Sloth (Bradypus pygmaeus) biologist, Rebecca Cliffe, taking hair samples, Isla Escudo de Veraguas, Panama
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Sebastian Kennerknecht / Snowy Plover (Charadrius nivosus) biologist, Ben Pearl, picking up chick from mud flat in salt pond, Eden Landing Ecological Reserve, Union City, Bay Area, California
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Sebastian Kennerknecht / Mountain Lion (Puma concolor) biologist, Paul Houghtaling, using telemetry to track mother and cubs near houses, Santa Cruz Puma Project, Santa Cruz, Monterey Bay, California
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Laurent Geslin / Vet and KORA team putting a radio collar on wild European lynx (Lynx lynx) for translocation to Kalkalpen National Park, Austria from Switzerland. May 2011.
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Laurent Geslin / Conservationists releasing radio collared wild European lynx (Lynx lynx) from Switzerland into Kalkalpen National Park, Austria, March 2013.
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Laurent Geslin / European lynx (Lynx lynx) emerging from crate during translocation from Switerland to Kalkalpen National Park, Austria. May 2011
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Laurent Geslin / Photographer Laurent Geslin putting back wild European lynx (Lynx lynx) kittens in den after a veterinary check up. Switerland, June 2014.
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Nuno Sa / Long snouted seahorse (Hippocampus guttulatus) in captive breeding laboratory at University of Algarve, Portugal. June 2010. Overall winner of the Underwater Photographer of the Year competition 2015.
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Pedro Narra / Man and woman undertaking monitoring work measuring Green turtle (Chelonia mydas) nests as the the female digs it, Bissagos Islands, Guinea Bissau. Endangered species. 3rd Place in the SOS Especes M...
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Jabruson / Mummified infant Chimpanzee (Pan troglodytes) a relic from research from 1959, amongst old laboratory paraphernalia and assorted zoological specimens. CRSN (Centre de Recherche en Sciences Naturelles...
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Alex Mustard / Nudibranch (Flabellina lineata) in aquarium, taken in the field in Gulen, Norway. North East Atlantic Ocean. Collected for scientific research.
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Nick Upton / Harvest mouse (Micromys minutus) on Common hogweed (Heracleum sphondylium) flowerhead after release, Moulton, Northampton, UK, June.