August 22 2019 2:55pm

Animals at London Zoo partake in annual weigh-in day

Around 19,000 animals at the London Zoo had their annual weigh-in on Aug. 22, which isn’t always an easy task for zookeepers to do. Zookeepers find out about pregnancies and health problems by weighing the animals, but this also helps inform the amount of medication animals need based on size.

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