David Perpinan / Close-up of a carer feeding a Blue fronted amazon (Amazona aestiva), confiscated from illegal wildlife trade, Brazil.

Ann & Steve Toon / Namaqua chameleon (Chamaeleo namaquensis), being scanned for microchip, part of conservation project, Namib Desert, Namibia, April

Francisco Marquez / Researcher collecting a blood sample from a Greater flamingo (Phoenicopterus ruber) juvenile's leg during the ringing process, Fuente de Piedra lagoon, Malaga, Spain. August.

Suzi Eszterhas / North American beaver (Castor canadensis) orphaned kit feeding from syringe. Lindsay Wildlife Experience, Walnut Creek, Contra Costa County, California, USA. September 2015. Captive.

Jabruson Motion / Close-up of a vet preparing drug for darting a Sumatran orangutan (Pongo abelii), part of a relocation programme, Sei Serdang, Prima, Batang Serangan, Langkat, North Sumatra, Indonesia, 2015.

David Perpinan / Radiography of the anterior section of a captive Leaf-tailed gecko (Uroplatus guentheri) showing cervical endolymphatic calcium stores. These stores are more prominent in females and are used as a cal...

David Perpinan / Radiography of a captive Bearded dragon (Pogona vitticeps) with sand impaction, a common condition in captive reptiles. small repro only

David Perpinan / Radiography of a Spider tortoise (Pyxis arachnoides) showing a characteristic of this species - they just lay one egg. Captive. Small repro only.

David Perpinan / Radiography of a captive female red-eared slider (Trachemys scripta) showing eggs within the uterus. Captive animal. Small repro only

David Perpinan / Radiography of a wild herring gull (Larus argentatus) showing osteomyelitis affecting the left tarsal joint. Small repro only

David Perpinan / Carer feeding Blue fronted amazon (Amazona aestiva) chicks, confiscated from illegal wildlife trade, Brazil.

Oliver Hellowell / Photographer Oliver Hellowell taking pictures, balancing the camera on the head of photographer Mike O'Carroll, England, UK. June 2017.