Dried poop or mites of some sort?

[Greystone farm]

Penny, my blind duckling, has little whitish spots around her vent. Is it just dried poop or mites/eggs of some sort?
Thanks

 

[Birdie mom]

I'm not sure.

I will boost the thread and see if anyone else can help

 

[Greystone farm]

I'm not sure.

I will boost the thread and see if anyone else can help

Thanks