1) Coprophagia 2) Eating 3) Eating feces 4) Feeding 5) Feeding on fecal material 1) Coprophagia 
feeding on the excrements of animals
the act of eating feces (Morris 1992).
eating of dung, or feces, considered abnormal among human beings but apparently instinctive among certain members of the order Lagomorpha (rabbits ... [4 related articles]
Synonym: coprophagia. ... Origin: copro-+ G. Phago, to eat ... (05 Mar 2000) ... 
(kop-rof´ә-je) the ingestion of feces.
Type: Term Pronunciation: kŏ-prof′ă-jē Synonyms: coprophagia
Coprophagy is eating faeces.
The eating of feces.
[n] - eating feces
coprophagous, coprophagia, coprophagy The eating of excrement or dung (feces); said especially of dung beetles, chickens, etc. A coprophagous (dung) beetle is doing its part to clean up the grazing area of animal waste. —Word Info image © ALL rights reserved.
The normal practice of the animal eating some of the night droppings
Feeding on fecal material 
coprophagia noun eating feces; in human a symptom of some kinds of insanity