Did you know that some reptiles cannot blink? Snakes, for instance, do not even have eyelids. But what about turtles like the red-eared slider? Turtles can actually blink and if you watch your red-eared slider long enough you will see him in action. If you don’t see your turtle blink, give your vet a call and schedule a checkup. Although some turtles may not have the ability to blink, the red-eared slider is not one of them. The red-eared slider blinks his eyes in the same manner as humans. Turtles; however, can also blink their eyes by moving their membranes. If you notice your turtle is excessively blinking his eyes give your veterinarian Oshawa, ON a call to find out what you should do. Sometimes turtles will blink excessively when their water needs to be changed. For instance, ammonia build up in the water can cause excessive blinking.