Can African Greys See Color? The Truth About Their Vision


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    African Grey parrots (Psittacus Erithacus) are known for their intelligence and ability to mimic sounds. But did you know that they have one more superpower—their ability to see a wide range of colors?

    Unlike humans, these birds can even see ultraviolet light. This gives them a different perspective on their surroundings, from finding food to choosing a mate.

    In this article, we’ll explore the fascinating world of African Grey vision, compare it to humans and other mammals, and see how it impacts their behavior and lifestyle.

    Dive in to learn more about these incredible birds and their extraordinary eyesight!

    Can African Greys See Color

    How Do Birds See? Understanding Bird Vision

    Bird vision is a marvel of evolution. 

    The mechanism of vision in birds is distinct from that of mammals, primarily due to the differences in their eye structures and the types of photoreceptor cells they possess.

    The avian eye is notably larger in proportion to their body size compared to mammals. 

    This larger size allows for a higher density of photoreceptor cells, leading to enhanced visual acuity. 

    The primary components of a bird’s eye include the cornea, lens, retina, and a specialized structure called the pecten. 

    The pecten is unique to birds and is believed to nourish the retina and aid in vision.

    One of the most remarkable features of bird vision is their tetrachromatic vision. 

    While humans possess three types of color receptors or cones (trichromatic vision) that detect red, green, and blue wavelengths, birds have an additional cone that allows them to perceive ultraviolet (UV) light. 

    Birds have tetrachromatic vision – they can see ultraviolet light as well. Credits of color spectrum graph: Fulvio314CC BY-SA 4.0, via Wikimedia Commons

    This tetrachromatic vision gives birds a broader and more vibrant color spectrum than humans can perceive. 

    For instance, what appears as a simple white feather to us might shimmer in multiple colors under UV light for birds.

    Comparing this to human trichromatic vision, our range is very limited. 

    We cannot see UV light naturally, and our perception of color is confined to the combinations and intensities of red, green, and blue.

    That’s a lot of technical jargon to say that a bird’s vision is much better as compared to that of a human.

    Can African Greys See Color?

    Yes, as I explained above, both the Congo African Grey and Timneh African Grey can not just see color, but see it better than humans.

    Just like other birds, they can detect ultraviolet (UV) light, which we cannot see due to our limited sight. 

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      Their vision is due to the presence of the additional fourth type of photoreceptor cell that I explained earlier in their retinas.

      Due to this, they can discern patterns, markings, and colors invisible to the human eye. 

      Now, this extended color spectrum plays a crucial role in most of their daily activities in the wild.

      For instance, certain fruits or flowers that appear uniformly colored to us might have intricate UV patterns that guide birds like African Grey parrots during foraging.

      But that’s not all.

      Whether it’s identifying ripe fruits, spotting predators, or choosing a mate, the ability to see UV light provides African Greys with a distinct advantage in their natural habitats.

      African Grey Diet
      Their vision helps them in many ways, including finding food and flight patterns

      How Far Can African Greys See?

      We’ve talked about color, but what about distance? Can African Grey’s see farther than humans?

      African grey parrots have a field of vision of about 300 degrees. This means they can see in front and to the side at the same time. 

      Apart from this, their daytime vision is far better than that of humans. 

      Exactly how much better is hard to determine specifically for African Greys, but for comparison, eagles can see a tiny field mouse from a mile away.

      However, being diurnal birds, their nighttime vision is about the same as ours

      How Color Impacts An African Grey Parrot

      Color plays a pivotal role in the lives of African Grey parrots, influencing a range of behaviors and shaping their day-to-day activities.

      I covered some of the benefits of this added color perception for African Greys earlier. Let’s discuss some of them in more detail now.

      Mate Selection

      The ability to perceive a broader spectrum of colors, especially ultraviolet light, gives African Greys an edge in mate selection

      Subtle color variations in plumage, which might be invisible to the human eye, become signals of health, vitality, and genetic compatibility for these birds. 

      These visual cues are crucial when choosing a partner, ensuring the propagation of strong genes.

      Their enhanced vision is also helpful in selecting a suitable mate


      African Greys’ advanced color vision also aids them in identifying ripe fruits, seeds, and other food sources. 

      Certain foods might have UV patterns or markings indicating ripeness or nutritional value, guiding the birds in their foraging activities and ensuring they consume a balanced diet.

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        Social Interactions

        In the complex social structures of African Grey communities, color can act as a communication tool. 

        Visual signals, often in the form of color displays or changes in plumage brightness, can convey emotions, intentions, or dominance hierarchies.

        Comparing African Grey Vision to Others: An Evolutionary Perspective

        Vision varies significantly across the animal kingdom, and there are evolutionary reasons behind it. Let’s look at how strikingly different vision has evolved for animals and birds.

        Birds (such as African Greys) vs. Mammals (Including Humans)

        We’ve already talked about how African Greys out-vision humans by being able to see ultraviolet light. But why is that?

        The distinction between bird and mammal vision lies in their evolutionary adaptations. 

        Most birds, including African Greys, have evolved tetrachromatic vision, allowing them to see a broader spectrum of colors, including ultraviolet light.

        This is because they use these extra colors for various things, such as finding mates or searching for food.

        Living in dense rainforests where light conditions can vary, the ability to see a broader range of colors provided them with distinct advantages in survival and reproduction. 

        A broader range of colors is very helpful in dense rainforests

        Over time, those with the ability to perceive more colors had better success in finding food and mates, leading to the propagation of genes favoring tetrachromatic vision.

        Mammals like humans who lived in grasslands and prairies, on the other hand, never had the need to evolve such a refined sense of color.

        Instead, they have dichromatic or trichromatic vision, limiting their color perception to a narrower range. 

        But that’s not all. The density and arrangement of photoreceptor cells in birds’ eyes are different from those in humans.

        This not only allows them to see a broader range of colors but also provides them with superior motion detection and enhanced visual acuity in certain conditions.

        Additionally, the avian eye structure is different from that of humans. 

        They have a larger eye size relative to body mass and the special organ pecten.

        For vertebrates, the retina is partially obscured by blood vessels, which makes the image less clear.

        The pecten brings down the number of blood vessels needed in birds. This organ provides nutrition to the retinal area.

        The presence of the pecten makes their eyesight significantly sharper, and they are able to absorb more light and see more clearly than mammals.

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          The density and arrangement of photoreceptor cells in birds’ eyes are different from those in humans

          African Greys vs. Other Parrots

          Nearly all parrots have the same visual capabilities. 

          African Greys have a slightly larger field of vision due to their size compared to smaller birds like cockatiels and budgies, but otherwise their capabilities are similar.

          In comparison to other parrot species, African Greys are often lauded for their cognitive abilities, which some believe may be linked to their advanced visual capabilities.

          Their sense of color differentiation might play a role in their problem-solving skills and renowned mimicking abilities, though we cannot know for sure.

          Practical Implications of African Grey’s Color Vision

          The unique color vision of African Greys has direct implications for their behavior as pets. 

          Their ability to perceive a broader spectrum influences their interactions and comfort levels. 

          For instance, understanding their stronger visual capabilities can aid in bonding

          Providing a colorful environment, mimicking their natural habitat, can stimulate their senses and provide them with reassurance and comfort in a new home. 

          Toys, perches, and even cage placements can be optimized to cater to their visual preferences, ensuring a mentally and emotionally healthy African Grey in captivity.

          African Greys prefer colorful toys and perches

          Frequently Asked Questions

          Can African Greys understand you?

          Yes, African Greys are renowned for their remarkable cognitive abilities, which allow them to understand and mimic human speech. 
          Beyond mere mimicry, they can grasp context, use words and phrases appropriately, and even exhibit problem-solving skills. 
          Studies and anecdotal evidence from owners have shown that African Greys can respond to questions, identify objects, and even express emotions through their use of language.

          Can parrots see in dark?

          Parrots, including African Greys, have limited night vision, about the same as that of a human. 
          While they can navigate in low light, complete darkness is challenging for them. 
          It’s essential to provide them with a consistent light-dark cycle for optimal health.

          Do African Greys recognize their owners?

          Absolutely! African Greys form strong bonds with their caregivers and can recognize them through both visual and auditory cues. 
          Their keen observational skills and memory allow them to distinguish between familiar and unfamiliar individuals.

          Are African Greys highly intelligent?

          Undoubtedly. African Greys are among the most intelligent bird species. 
          Their cognitive abilities rival those of primates, and they’re known for problem-solving, mimicking speech, and understanding complex commands. 
          Their intelligence is a testament to their adaptability, long lifespan, and evolutionary success.


          To summarize, African Greys can not just see color; they can perceive a spectrum of colors beyond human understanding. This is due to their tetrachromatic vision. 

          Unlike humans, these birds can detect ultraviolet (UV) light, offering them advantages in activities like mate selection, foraging, and social interactions. 

          Their vision, which evolved over time, differs significantly from that of mammals and is comparable to that of other parrots. 

          In captivity, understanding their visual spectrum can aid in bonding and ensuring their well-being.

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