London Zoo holds its annual weigh-in, with animals from meerkats to monkeysclimbing on the scales.
Senior Keeper Martin Franklin had the job ofpersuading the zoo's penguins to take part.
London Zoo holds its annual weigh-in, with animals from meerkats to monkeysclimbing on the scales.
Senior Keeper Martin Franklin had the job ofpersuading the zoo's penguins to take part.