Call of nature: the secret life of dung

Introduction: What is dung?

Cleanliness is next to fastidiousness : the human obsession with sewage

Waste not : dung as a human resource

It's worth fighting over : dung as a valuable ecological resource

Dung communities : interactions and conflicts

The evolution of dung feeding : where did it all begin?

A closer look : who lives in dung?

Cross section of a dung pat : a slice of coprophagous life

The ageing process : time line of a dung pat

Dung problems : the end of world ordure as we know it

Dung types : an identification guide

Dung inhabitants and dung feeders : a rogues' gallery

Dung is a four-letter word : a scatological dictionary.