There is something about watching a parrot comfortable, fluffed up, and grinding their beak that feels relaxing to the person observing them. Something many people wonder when they get a bird is how they are able to sleep so peacefully while standing on a branch or clung to the bars of a cage. It seems effortless how they can tuck their heads into their back like a fluffy pillow and sleep without losing balance or falling. Let’s examine how and why birds sleep this way. 

How They Grip

Parrots are highly dexterous, meaning that they have a high degree of coordination and precision when it comes to using their feet and beaks. This is an important skill because it allows them to manipulate objects to get food, explore their world, and perform other important daily activities. They also have special anatomy and balance that allows them to securely grip onto branches while they sleep. For a long time, scientists believed birds’ feet gripped mostly due to a locking mechanism, but newer research is suggesting that balance may play more of a role than we originally thought. So, this is an area that is still developing. 

Here’s what we know so far:

Birds, including parrots, have tendons that run down the back of their legs, wrap around the ankle joint (the part that kind of looks like a knee), and continue out to the tips of their toes. The traditional explanation is that when a bird settles onto a perch, their ankle bends which pulls the tendons tight and closes their toes. We assumed that a locking mechanism is what made gripping possible. However, the idea that this locking mechanism is the main way it happens has since been debated. A 2012 study of sleeping starlings found that their toes were mostly relaxed. They stayed on the perch by balancing, and their tendon-locking only engaged when they were actively gripping. Parrots haven’t been studied in the same way, so the exact mechanism for parrots isn’t established, but this study does suggest that balance may matter more than we once thought in some species. However, it’s important to know that this is an ongoing area of study and that different species may not work in the same way.

How Can We Support a Healthy Grip and Feet For Sleep?

The parrots in our home depend on us to provide them with everything they need to be healthy and happy. Getting a quality sleep is very important for birds, just as it is for us. Healthy feet contribute to healthy sleep. If you want to help your parrot to also have a healthy, strong grip for sleep and for daily activities, here are some ways that you can do so:

Provide them with a variety of perches. Different sizes, textures, and types of wood will help to keep their feet healthy by spreading out how pressure is distributed on their feet. Without a variety of perches, pressure would land on the same parts of their feet which can cause discomfort and pain due to the development of sores, which can also create a loss of strength in their grip. Variety also helps them to exercise different parts of their feet and toes. 

Provide them with perches that have the right textures. Perches that are too smooth, hard, or rough can create major issues for a bird's feet and toes. They can wear down their skin and abrasive surfaces can scratch and injure them which leaves them vulnerable to infection and can cause a lot of pain which would also make it hard to sleep properly. 

Place perches so that your parrot is comfortable. Perch placement matters for movement and also for sleep. A bird that feels safe and secure is more likely to sleep better. Placing perches in a way that won't cause their tails to rub against or press on the bars of their cage will help as well as placing their perches in a part of the cage that feels safe to them. This can help them to relax which can possibly help them balance and grip better. Try to make sure that perches are also placed away from each other and do not overlap. 

References:

GALTON, P. M., & SHEPHERD, J. D. (2012). Experimental analysis of perching in the European starling (sturnus vulgaris: Passeriformes; Passeres), and the automatic perching mechanism of birds. Journal of Experimental Zoology Part A: Ecological Genetics and Physiology, 317(4), 205–215.