its a fucking egg
AN EGG
( WormuIus, Thu 10 Jan 2008, 22:16, archived)

FACT:
When a hen is in laying mode, they do massive (yet infrequent) poos because their cloacas are distended.
( KersaI Missive Free Michael Shields! with Monday's Liverpool Echo, Thu 10 Jan 2008, 22:25, archived)