it is on one side of face
This is completely natural behavior. When a gerbil opens their eyes, they often only open one eye at a time. In a few days the other eye will open.
if a terrapin is 9 months old how can you tell if its a boy or girl
Opening only one eye in the morning may be due to the natural process of sleep inertia, where one eye may open faster than the other as the brain transitions from sleep to wakefulness. This is a common occurrence and typically resolves as the body fully wakes up.
It means you have one eye open. If you mean the idiom "sleep with one eye open," it means that you are staying alert at all times in case of disaster.
i have new terrapin and recommend: a open-roofed, small aquarium. terrapin food. a fellow terrapin preferably of the opposite sex so it has a friend/mate. a lamp above the mini aquarium to give light and heat. lukewarm water to fill the base of the mini aquarium about 3-4 cm deep.
Cats and dogs blink with both eyes, though sometimes if they wanted to for any reason they can blink with one eye only and leave the other eye open, which is called a wink.
no
I believe a shark sleeps with one eye open.
Approaching a situation with one eye open and one eye closed means being cautious and aware while also being willing to take risks or be open to new possibilities. It suggests a balance between being vigilant and being open-minded.
It is not possible for humans to sleep with one eye open and one eye closed simultaneously. The brain requires both eyes to be closed in order to enter the deep stages of sleep.
One of its eyes may be hurt or it may have pink eye
wink