Compared to humans, deer have extremely limited abilities to detect color. This is because they lack certain photoreceptors known as cone cells that take in light and translate it into colors.
In contrast, they have a great abundance of rod cells responsible for black and white vision, allowing them to see the color black.
However, since they are usually active at times when there is little to no light, they have trouble setting black-colored items such as clothing apart from the rest of the environment.
Can Deer See The Color Black?
Despite their limited color vision, deer can see the color black. This is because their eyes’ photoreceptors are dominated by rod cells responsible for night vision and black and white vision.
The colors we see are wavelengths of light translated into colors by our brain through photoreceptors. Each wavelength of visible light is paired with a different color. To better illustrate it, take a look at the table below.
|Red||620 to 750 nm|
|Orange||590 to 620 nm|
|Yellow||570 to 590 nm|
|Green||495 to 570 nm|
|Blue||450 to 495 nm|
|Violet||380 to 450 nm|
While each color represents a different wavelength of reflected light, black is presented by the complete absence of it.
Thus, since there is no light to interpret, our eyes, as well as deer eyes, automatically register it as total darkness or the color black.
What Enables Deer to See the Color Black?
Deer can see the color black through their eyes’ photoreceptors which allow them to interpret light at various wavelengths.
All colors or lack thereof are seen due to our eyes’ photoreceptors. Eyes typically possess two types of photoreceptors, cone cells and rod cells, each with its own specific function.
Cone cells are responsible for daylight vision and require a lot of light to function. It is also the photoreceptor responsible for color perception. There are various types of cones that enable you to see different colors.
In the case of the deer, they only have blue and green cones, which allows them to see the colors yellow to violet to a certain extent.
On the other hand, rod cells are responsible for night vision and don’t require much light to function. Instead, they enable the deer to see their surroundings despite having little to almost no light.
These cells are more valuable and abundant in deer eyes because they are usually active during dusk and dawn when light is limited. In addition to this crepuscular nature, several deer may also exhibit nocturnal tendencies.
The downside is that cells have no function in color perception. As a result, any images viewed through these cells are seen in grayscale or black and white.
Rod cells enable black and white vision through the detection of luminescence or reflected light. White is a reflection of all wavelengths of light while black is the complete absence of reflected light.[wd_leadmagnet type=”dressing”]
Can Deer Differentiate Black Clothing From Their Surroundings?
Deer can certainly see black right off the bat. However, they struggle to differentiate anything colored black, including clothing, from its surroundings, especially during nighttime.
Since deer are usually active at dawn, dusk, and night, they are exposed to limited amounts of light. This causes their rod cells to kick in and view everything in black and white or shades of gray.
In addition, the deer’s reliance on rod cells also provides them with blurry vision as rod cells provide poor spatial acuity.
Spatial acuity refers to the ability to distinguish items or tell them apart. Thus, having poor spatial acuity means that images viewed through the deer’s eyes are typically blurry unless they move closer to the point of reference.
Given that, anyone wearing black clothing has a greater chance of blending in with the deer’s view of the surroundings at nighttime.
However, in daylight, the deer’s ability to detect color is kick-started and wearing black can make you stick out like a sore thumb.
Deer’s cone cells function very well in daylight, allowing them to detect colors more vividly. Since these animals’ surroundings are typically forested or grassy areas with shades of green and brown, black can starkly stand out.
As a result, deer can easily spot someone wearing black clothing.
Does Wearing Black Clothing Make You Invisible To Deer?
Wearing black clothing alone will not render you invisible to deer. While it may help you blend in with your surroundings better, you can’t rely on it to completely evade the deer’s senses as this animal has other means to detect you.
While deer may struggle with color perception, they are terrific in motion detection. Their ability to detect motion is so great that they can see movement from around 100 to 150 yards away.
They can even see further if they have more moonlight.
Movement detection is usually illustrated by temporal resolution. The higher your temporal resolution, the faster your brain is able to process visual information.
Thus, the higher your temporal resolution, the greater your ability to see movement and mentally respond to it.
Deer have an exceptionally high temporal resolution, as illustrated by their critical flicker fusion or CFF amounting to 21.26 to 26.77 Hz. In comparison, humans only have a CFF of 10 to 15 Hz.
Take this scenario, for example, to give you a better idea of how this would work.
A hunter is wearing black. While the deer can see this color, it struggles to differentiate it from the rest of the scene since it blends in with the darkness. However, this hunter makes a sudden move.
The deer has a greater chance of picking up on this movement.
This is because their heightened sense of movement detection is even more enhanced by the fact that the hunter is wearing a color it can perceive.
Deer can definitely see black clothing. However, they will have trouble telling black clothing apart from the rest of its surroundings. Especially since they are active near or at night when all they are things in grayscale and black and white.
Given that, black clothing or the color black for hunting deer continues to be a popular choice as it enhances the ability to remain undetected by deer.