She does act like she's not seeing out of that eye. She closes it more often too. I noticed something new this morning.
It seems like when she exerts herself, the eye gets really red. When she calms, it looks like the image above.
Otherwise, she's acting normal. Eating, drinking, swimming, etc.
Thank you for your responses. It's definitely NOT the sun. When she's more upset, the whole eye (just one eye) goes blood red. Once she settles, it looks like this picture.
Hello friends - First-time duck owner here. I have two 4 weeks old ducklings and five 5-month-old chickens. Today I noticed one of the eyes on my Runner is red in the pupil and not the whites. I suspect that one of my hens pecked the Runner through the kennel where the ducklings are housed. I'm...