Object not pooped out

[myduckduckie]

I have seen my duck eat some weird things but i have never seen him poop out some of those and im worried that it can be dangerous
Is it a problem?
(he behaves normal eats normal and Poops normal)

 

[sourland]

It all depends on what the 'weird' things are. Metal can be dangerous, but many things are ground to bits in the gizzards of fowl.

 

[myduckduckie]

It all depends on what the 'weird' things are. Metal can be dangerous, but many things are ground to bits in the gizzards of fowl.

Thank you for the answer. My duck tries to eat everything only thing i have seen him spit out are little Stones and puffed rice.