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London Zoo's big annual animal count begins

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More than 14,000 Animals at London Zoo have been getting measured and weighed as part of an annual health check.

Image source, ZSL/Dominic Lipinski
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The zoo鈥檚 keepers monitor the heights and weights of all the animals throughout the year, but the big annual weigh-in is a chance for keepers to make sure the information they鈥檝e recorded is up-to-date and accurate.

Image source, ZSL/Dominic Lipinski
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This zookeeper is trying to get the Humboldt penguin chicks to walk over scales one by one as they line up for their morning feed.

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This keeper is measuring a giant Tirachoidea stick insect. London Zoo鈥檚 Head of Zoological Operations, Angela Ryan said: 鈥淲e record the vital statistics of every animal at the Zoo 鈥 from the tallest giraffe to the tiniest tadpole."

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This year is the first time that Western lowland gorilla Kiburi joined in the weigh-in

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鈥淗aving this data helps to ensure that every animal we care for is healthy, eating well, and growing at the rate they should - a key indicator of health and wellbeing.鈥 said Angela Ryan.

Image source, ZSL/Dominic Lipinski
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The measurements are stored in a big database and shared with other zoos around the world to help them keep an eye on endangered species.