More than 400 Animals get weighed at London Zoo | Daily Mail Online

London Zoo's 14,000-animal zookeepers will be challenged to find creative ways of measuring animals as part of its annual weigh-in.The annual measurements are taken to ensure the zoo's data is accurate and up to date, and the are added to the Zoological Information Management System (Zims), which is a database shared with keepers across the globe to help compare information on thousands of threatened species.