Sam Hobson / Dr. Norbert Kenntner weighing a goshawk (Accipiter gentilis) nestling during research for his urban goshawk colour ringing project. Berlin, Germany, June 2014. Nominated in the Melvita Nature Images A...

Roland Seitre / Hoffman's Two Toed Sloth (Choloepus hoffmanni) being weighed and recorded. Aviarios del Caribe Sloth Refuge, Costa Rica, 2008.

Juergen Freund / Dock worker carrying Yellowfin tuna ashore for weighing, Jacana tuna fish landing, Puerto Princesa, Palawan, Philippines, April 2009

Danny Green / 2020VISION / Red deer (Cervus elaphus) silhouette of hinds in woodland glade at dusk, Bradgate Park, Leicestershire, England, UK, October. Did you know? The Red Deer is the largest UK land mammal, with stags weigh...

Wild Wonders of Europe / Shpilenok / Newborn Saiga antelope (Saiga tatarica) being held for weighing and measuring by staff of the Cherniye Zemli (Black Earth) Nature Reserve, Kalmykia, Russia, May 2009

Katherine Feng / Giant Panda (Ailuropoda melanoleuca) baby being weighed on a scale at the China Conservation and Research Center for the Giant Panda, Wolong Nature Reserve, China

Doug Gimesy / Platypus researcher weighing Platypus (Ornithorhynchus anatinus) Warburton, Victoria, Australia. October, 2018. Model released.

Eric Baccega / Western lowland gorilla (Gorilla gorilla gorilla) silverback male, portrait. Beauval Zoo Parc, France. Captive.

Nick Upton / Lucy Bearman-Brown weighing a Hedgehog (Erinaceus europaeus) found by a sniffer dog after dark, Hartpury University, Gloucestershire, UK, June 2019. Model released.

Nick Upton / Lucy Bearman-Brown weighing a Hedgehog (Erinaceus europaeus) found by a sniffer dog after dark, Hartpury University, Gloucestershire, UK, June 2019. Model released.

Doug Gimesy / Volunteer penguin researcher from Earthcare St Kilda, placing Little penguin (Eudyptula minor) juvenile on rocks from burrow before weighing and checking for microchip. St Kilda breakwater, Melbourne,...

Neil Aldridge / Orphaned Temminck's ground pangolin (Smutsia temminckii) is weighed to monitor its condition during rehabilitation at the Rhino Revolution facility in South Africa. This orphan was found abandoned...