

Kā jau iepriekšs te tika pieminēts...
https://www.allaboutbirds.org/news/bird ... incubationHow Long Until The Young Can See?
Their eyes remain closed until they are 9 to 11 days old. Despite not being able to see at first, the nestlings show a strong feeding response as soon as they hatch.
https://www.youtube.com/channel/UCZXZQx ... -eH_gdDwYAFor those wondering about the female's different-sized pupils, it's thought that the bird may have had some previous trauma to the left eye (before the current breeding season). We reached out to Cornell wildlife veterinarians at the beginning of the breeding season, and they noted that since it looks clear and comfortable, it is likely inactive and probably no longer a concern. It is thought that nocturnal owls can function just fine in the wild with only one good eye, since they rely primarily on their hearing to find prey in the dark, and there is ongoing research to understand how eye injuries might affect these wild birds.