Weigh-in time at London Zoo - in pictures

Home to more than 19,000 animals in their care, zookeepers regularly record the heights and weights of all the creatures at ZSL London Zoo to monitor overall wellbeing

Penguins are weighed during the annual weigh in at the London Zoo. EPA

Giraffe stand beside a tape measure. AP Photo

Squirrel monkeys are coaxed with little snacks. EPA

A giant stick insect is measured. AP Photo

An African giant land snail is weighed. EPA

A giraffe is coaxed into being measured with some kale. EPA

A meerkat gets weighed. EPA

Squirrel monkeys are weighed. EPA

The National