Wolves are particularly adept at seeing in low light conditions due to several factors:
Retinal Structure: Wolves have a higher density of rods in their retinas compared to humans. Rods are specialized photoreceptor cells that are more sensitive to low light levels and help with night vision.
Tapetum Lucidum: Behind the retina, wolves and many other mammals have a reflective layer called the tapetum lucidum. This layer bounces back stray light that would otherwise be lost, enhancing the amount of light reaching the photoreceptor cells and increasing their sensitivity in dim light.
Large Pupils: Wolves' pupils can dilate more than human pupils, allowing more light to enter the eyes in low light conditions. This further improves their ability to see at night.
While wolves have excellent vision in low light, their color perception is limited compared to humans. They can distinguish between shades of blue, yellow, and green but have difficulty distinguishing between red and orange or green and brown.
Overall, wolves have superior eyesight that helps them navigate their surroundings effectively in diverse lighting conditions, which is essential for hunting and survival in the wild.