Last updated at 13:12
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London Zoo annual animal weigh-in

ZSL London Zoo have carried out their annual weigh-in of more than 16,000 animals that live there.
The zoo is home to more than 16,000 animals like this mossy frog, which is getting weighed.
frog getting weighed
Kumbuka, a Silverback Western Lowland Gorilla, looks like he's having fun playing with a ruler.
Gorilla holding ruler
This jungle nymph is held against a ruler to be measured. The zoo carries out the weigh-in so it can check up on the general health and wellbeing of the animals.
jungle nymph
This red-ruffed lemur doesn't look too sure about stepping on to the scales.
Lemur being weighed
Perry the llama looks like he's behaving like a star pupil for his keeper Jack, who's measuring him.
Llama being measured
A Philippine crocodile hops on to the scales. All the information is shared with more than 800 zoos around the world.
Crocodile on scale
It's that time of year when ZSL London Zoo get the scales and measuring tape out for their annual weigh-in. This squirrel monkey is getting ready to hop on to the scale.
Squirrel monkey holding scale
The information shared with zoos means zoologists can compare information about endangered species. This partula snail weighed in at 1mg.
Snail on scale