I'm not sure. The green shade deposited in/on the shell looks an awful lot like spirulina. I'm feeding spirulina to my new batch of ducklings and that''s the exact color of spirulina when it is wet/ pooped out.
Maybe she's eating or tried some algae from the pond?
I didn't take a picture of my hens weird egg. But he splotches were definitely overly deposited bloom and they felt sticky to the touch in the blacker polka dots..like price tag glue.
Edited by cayugaducklady - 4/22/16 at 11:36am