Zoo animals of all sizes lineup for the count

Keeper Amy Callaghan takes a close look at Jill the Red Kneed Spider during the annual stocktake at London Zoo. (AP)

A Spectacled Owl looks at a clipboard during a photo call for the annual stock take at London Zoo. (AP)

A meerkat stands on keeper Tegan McPhail. (AP)

Keeper Jeff Lambert smiles as two leaf insects get close. (AP)

A meerkat sits on a keeper's clipboard. (AP)

A muddy Bullfrog is inspected during a photo call for the annual stock take at London Zoo. (AP)

More than 17,500 animals including birds, fish, mammals, reptiles and amphibians are counted in the annual stock take at the zoo. (AP Photo/Kirsty Wigglesworth)

A male jungle nymph sits on a female jungle nymph. (AP)

A Spectacled Owl nips a clipboard during a photo call for the annual stock take at London Zoo (AP)

A muddy Bullfrog is inspected. (AP)