The animals at London Zoo have been stepping on to the scales
for the annual weigh-in.
The yearly event involves recording the height and mass of
each of the animals at the zoo, The Independent newspaper
Reports vary as to the exact number but agree there are more
than 16,000 animals at the London institution.
Information taken from some of the animals is shared on the
Zoological Information Management System, a database for
zoologists all over the globe.