![]() ![]() The air sacs make it possible for the air to move in one direction through the lungs. When a cockatoo inhales air, it is passed to the air sacs. ![]() Cockatoos have nine air sacs in their body. They are distributed all over the internal body of birds. Air sacs are basically what their name suggests: sacs that are filled with air. The lungs are smaller in comparison, but they are much more effective due to air sacs. The respiratory system of cockatoo is very different than the one of any other animal, e.g. The lungs of birds are really remarkable. If a cockatoo drinks too much water, its feces will be accompanied by a lot of water. Cockatoos and other birds do not produce urine, just solid poop, but the white part of bird poop is made out of the same substances as urine. This is both for poop, urine and for reproduction. Birds have just one exit called a cloaca. The last part of the digestive system is also notably different than that of humans. After this the food is moved to the intestines and further processed there. It will squeeze and press the food to reduce it to smaller pieces and mix it with enzymes. This is a sort of stomach with strong muscles around it. The next organ the food it processed in is the gizzard. You can feel the crop in your cockatoo if it just ate or drank a lot, it located in the upper front of the chest. This is a sort of pouch that stores and softens the food. The first organ where food is processed in cockatoos, is the crop. The digestive system of cockatoos already starts differently than in humans. The most remarkable are the lungs and the digestive system. But bird internal organs are a bit different than the internal organs of people. Luckily it is rare that a cockatoo breaks its bones.Ĭockatoos have the same internal organs than other birds species. It does make their bones a bit more fragile than bones of mammals. This lightweight skeleton makes flying less energetically costly. Bird species that dive into water, like puffins or penguins, have lost their hollow bones to provide more strength to the skeleton. Most birds have hollow bones to reduce their weight, which makes it easier to fly. Skeletons of birds are much lighter than skeletons of other animal groups. Other bird species can only move the lower part of the bill, as the upper part is fixed to the skull. Cockatoos and parrots are the only family of bird species that can both move the top and bottom part of the bill. The bill of cockatoos is very big compared to the size of the head. The name of this configuration of the toes is called zygodactyl. Cockatoos and parrots presumably have this configuration of the feet because it helps them to have a better grip when climbing. Cockatoos and parrots have feet with two toes facing forward and two toes facing backwards, while most other bird species have three toes in the front and one in the back. The biggest difference of the skeleton of a cockatoo and the skeleton of, for example, a chicken, is the bill and the feet. As you can see, the skeleton does not differ much from skeletons of other bird species. On the above sketch you see the skeleton of a cockatoo. Skeleton of a cockatoo The skeleton of cockatoos ![]() On this page your will find some basic information about the skeleton, lungs and digestive system of cockatoos. ![]()
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