Juergen Freund / CT scan of injured Green turtle 'Angie' (Chelonia mydas) from the Cairns Turtle Rehabilitation Centre, Cairns Diagnostic Imaging. Queensland, Australia

Juergen Freund / CT scan of injured Green turtle 'Angie' (Chelonia mydas) from the Cairns Turtle Rehabilitation Centre, Cairns Diagnostic Imaging. Queensland, Australia

Stephen Dalton / Desert Locust (Schistocerca gregaria) flying, controlled conditions, scan from black and white print

Michael Hutchinson / Rainbow in spray of Seljalandsfoss waterfall, Iceland

Norbert Wu / Weddell Seal (Leptonychotes weddellii) sometimes fights to protect its breathing hole, peers down to scan for rivals, Antarctica

Anup Shah / African elephant babies with large ears (Loxodonta africana) Masai Mara NR, Kenya

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

Eric Baccega / Veterinarian and two keepers performing an ultrasound scan on a pregnant Florida manatee female (Trichechus manatus latirostrus), Beauval Zoo, France, October 2017.