What pupil shape do many vipers possess to assist with light intake?
Answer
Vertical slits
Many vipers possess vertical slit pupils, which allow them to efficiently control the amount of light entering their eyes. This adaptation is common in many nocturnal or ambush-style predators, helping them manage vision across varying lighting conditions, such as the transition from day to night. While this trait can vary, particularly among diurnal species, it is a characteristic feature often associated with the group's ability to hunt in low-light environments.
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