This article has been reviewed according to Science X's editorial process and policies. Editors have highlighted the following attributes while ensuring the content's credibility: At 61, Bill had begun showing changes in his health—decreased appetite, weight loss and abdominal bloating. But his bloodwork was normal, leaving the cause of his symptoms unknown.
The next step was clear: Bill should get a CT scan to check for problems with his internal organs. There was just one hurdle: Bill is a nearly 400-pound (approximately 180-kilogram) Siamese crocodile. In a highly coordinated effort, Bill's care team at Utah's Hogle Zoo worked with CT experts at University of Utah Health to transport and scan Bill—a process involving specialized support for his body and advanced imaging techniques.
The scan revealed several stones in Bill's stomach, which, while normal for crocodiles, may be contributing to his symptoms. Animal care and veterinary teams at Hogle Zoo began closely monitoring Bill after observing changes in his health in 2025, including a decreased appetite, weight loss and abdominal bloating. Despite these symptoms, his bloodwork remained normal, leaving the underlying cause unclear.
The team decided to pursue advanced diagnostics, including a CT scan, which would require an unprecedented transport effort. This undertaking called for significant expertise and coordination across the zoo. It also carried inherent risks, particularly for an aging animal like Bill.
Bill has a bite force of more than 3,000 psi. To transport him, the team of more than 20 people used specialized tools and techniques to safely restrain him, ensuring control of his head and body. From there, he was given a mild sedative under veterinary supervision to help him stay calm throughout the process.
"I am proud of how safely and smoothly everyone worked together, and how positive the team remained throughout the process," says Meredith Salinas, animal care supervisor in herpetology at Utah's Hogle Zoo. "Teamwork really makes the dream work for crocodilian catchups." Bill was placed on a secure, custom-made platform and carefully moved to U of U Health for imaging at the Department of Radiology. Throughout transport and the scan, veterinary staff monitored him closely to ensure his safety and well-being.
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