What do owls look like without feathers
The bird's feather
Do you want to know something about the bird's feather and the plumage of birds? Roughly speaking, the bird's feather is the clothes (plumage) of the birds. The bird's feather also tells us, e.g. whether the bird is healthy or sick. You can find out this and much more here.
Overview: The bird's feather is not just for flying! Because there are some birds that cannot fly and still have feathers. Such as the flightless kiwi, the penguin, the ostrich and the rhea. You can write with bird feathers, some people wear bird feathers as headdresses or hats are adorned with them. Bird feathers are also used in down jackets and beds. As you can see, the bird's feather is very popular with humans. I show you many pictures, of the plumage and the feather, for a better understanding. Feather types: In the next photo you can see feathers from the arm swing, the arm swing, the hand cover, the arm cover, the belly and down feathers from the flank.
Many children ask me about their biology classes. What does a feather (singular penna) look like, what does a plumage look like, what is a bird's feather for, why does a bird have feathers, how is a feather constructed, the purpose and meaning of bird feathers, how can I identify feathers that have been found, how are feathers made cleaned, a bird's feather lets air through, what is a moulting feather and what else does a bird's feather have to fulfill? It is not always easy to find the right words. I will show you pictures of the look of the bird's feather.
About the function of the feather: The feather must protect the bird from moisture, cold, dust and the sun. The down protects the bird from cold and warmth. The cover feathers protect against water, dust, dirt and also serve as camouflage. Control spring and flight spring are required for flying. The feather must be light so that the bird can fly long distances. If the bird were too heavy, it would use too much energy and would not be able to fly for long.
Structure of the spring
Special feature and structure: I will show you two pictures for the structure, description and determination of the bird's feather. On the second picture you can see the flag of the feather enlarged. The flag consists of many branches that are interlocked with each other. This makes the feather impermeable to air and stable, and the bird can fly with it. If the branches of many feathers (arm and hand wings) are damaged, the bird can fly poorly or not at all.
What do feathers look like when they grow? For a better understanding I show some photos. It takes several weeks for a bird's feather to fully grow. While the feather grows, there is a protective cover around the spool and shaft so that the branches are not damaged while awake. I will show you what protection looks like with a bird's feather using feathers that are not yet fully grown. The feathers come from a falcon that left the nest too early and was killed by the fox. You can find more pictures of bitten feathers under the peregrine falcon.
The feather must make almost no noise when flying. This is important, for example, with owls and birds of prey that eat other birds and small mammals so that they are not betrayed by the noises when the prey approaches. The spring must be water and dirt repellent. The feather must be elastic so that it is not damaged with every impact and the bird can no longer fly. The spring must grow back when it is worn out. If the feathers are defective, the bird can hardly fly. A bird must always be able to fly well; its survival in nature depends on it.
Why do birds moult? When the birds moult, they renew their plumage. The springs wear out over the course of the year. In order to ensure that they can always fly well and that they have good protection from the cold and rain, many birds renew their plumage once or even twice a year (summer moult, winter moult). Partial moulting occurs in some bird species. They only renew a few feathers a year and with a partial moult it can take years until the entire feathers are renewed.
Mauser feathers look very different in color and shape from different species of birds. Now I'll show you the black and white feathers of the hoopoe, they are black and white spotted and banded.
Many species of birds (e.g. ducks, geese) have moulting sites where they spend time with their fellow species until the new feathers have grown back. What is a moult or moult feather? It is the shedding of the old feathers that the birds regrow every year so that they always have an intact plumage.
You can make good experiments with mouser feathers. The owl feather is soft and quiet and the swan feather is hard and loud when flying.
What follows is a simple experiment in biology for which we need two bird feathers. The softer the outer and inner plume of a feather, the less noise you can hear when the birds are flying. Compare a feather from the mute swan and the eagle owl (owl) and you will find that when you flick the feather back and forth in the air or pull it through your fingers that a soft feather makes almost no noise. Eagle owl feather / owl feather make no noise and the mute swan feather is very loud. These are a few examples of what a spring can and must endure.
For the bird, the feathers are not only there to fly, they also serve to camouflage the birds and to display their decorative feathers during courtship. I'm just saying the peacock. All the females run after the peacock with the most beautiful plumage (mostly peacock eyes).
The birds wear their splendid plumage at courtship, the plain plumage in winter, the juvenile plumage for young birds and then in the case of birds one speaks of immaturity in the first plumage, second plumage, third plumage, fourth plumage and fifth plumage. At immaturity, the feathers always look different after moulting. Many birds are only finished with their plumage for life in their fifth year. With seagulls you can see the different feathers well. Which is not the case with many species of birds. In winter the Limikolen wear their simple dress. What the magnificent dress is for the birds, the wedding dress, the ball gown, the tuxedo or the tailcoat is for the people.
The feather is of great importance not only for birds, but also for humans. There are specialty shops where everyone can buy bird feathers in every imaginable color for handicrafts. Many people collect owl feathers and raptor feathers as a hobby. Species identification using a bird's feather (moulting feather) is an exciting hobby. Birds are hunted worldwide for their feathers in order to do business with the feathers. Birds' down feathers are very popular because they insulate well. Beds and down jackets are made from down feathers. Many other bird feathers are used to make headdresses and other items of clothing. The natives have always adorned themselves with bird feathers. And so every bird has to drop its feathers. Every year in Iceland the feathers of wild eider ducks are collected and sold. More under the eider. And as always, you can see a lot of pictures of the ducks having their down stolen. The images can also be used to identify and identify feathers.
The birds spend a lot of time every day cleaning and caring for their plumage. Birds take a dust bath, a water bath or a sand bath almost every day to rid their feathers of dirt and parasites. Each spring is cleaned individually. Waterfowl re-grease their plumage after cleaning so that the plumage becomes impermeable to water. Many species of mites damage the plumage of birds. Stress can also lead to shock moult and plumage disorders in birds. More under, plumage disorders in Junguhus.
After plumage care, the plumage must be properly organized. To do this, the birds stretch. It doesn't matter whether it's a songbird, a bird of prey, an owl or a water bird, it looks about the same for all of them. More about this under, the artist. You can see how the bird stretches to organize its plumage. Birds must be able to fly well at all times in order to escape their predators. What types of flight are there? There is the rowing flight, the gliding flight, the gliding flight and the diving flight.
The birds also use their feathers to understand and communicate with each other. More under how to communicate eagle owls. They also use their plumage to make themselves bigger when enemies are on their way. I will show you a few pictures.
If there is a lack of food in the rearing of the young birds, this can also be seen in the plumage. This can be seen well in crows, for example, when they have white spots in their plumage. In addition some pictures. How the feathers in birds gradually develop, you can see on my pages the common buzzard and the rearing of young peregrine falcons. There I have a lot of pictures where you can see how fast bird feathers grow. Every day you can see changes (in size and color) in the bird's feathers.
If you are in the forest, on a meadow or in the city and you find a large pile of bird feathers, it is a plucking place from a bird of prey or an owl. What can the springs tell us on site? Based on the color scheme and the size of the feathers, you can see what kind of bird it was. But that's not all. The plucking also shows whether the bird has been captured by a mammal, an owl or a bird of prey. Mammals usually bite off the feathers on the keel or the shaft. Owls and birds of prey have different plucking methods. Some birds of prey pluck the feathers out in clumps, and others individually. You can often tell from the location of the plucking places whether it is an owl plucking place or other raptor plucking places. The bird's feather teaches you a lot about birds and their behavior.
What kind of bird feathers are there? Birds have down and down feathers, breast feathers, back feathers, cover feathers, tail feathers, control feathers, feathers from the hand wing and feathers from the arm wing. What does the bird's feather tell us? The DNA, the sex of the bird, which pollutants the bird has ingested with its food, deficiencies in food are reflected in the feathers, what diseases the bird has and much more. Scientists can now find out all this from a bird's feather.
In the next photo you can see a falcon's plumage on which all important feathers can be seen. The plumage is almost twice as heavy as the entire bones of a bird.
Pictures of cover feathers
Plumage disorders - plumage diseases
Plumage diseases: deformities of feathers. Health hazards from pesticides. I'll show you a few pictures of plumage disorders in sparrows and gulls. The birds grew up in an area where many pesticides are used. Is there a connection? If the birds ingest too much pesticides with their food, it is possible that the growth of the feathers will be disturbed.
And as always at the end, I will now show you a few pictures of feathers, of the plumage of birds and of plumage disorders in birds.
Bird feather pictures and photos
Have fun on my pages, such as nature bird lexicon or migratory birds.
If you want to find out something about the knowledge of birds, then visit my pages: What do birds and intelligent crows know. My site is very useful for projects in kindergarten, district school, high school, university and school for lectures and essays in biology, in zoology, in specialist classes, for worksheets, for species profiles and for presentations or for an essay in biology lessons popular. Here you will find everything for your profile template (elementary school, secondary school, high school) about birds.
For the children in the preschool and for the children in the elementary school there are extra bird pages, e.g. with pictures of chicks, with bird portraits or bird pictures for learning. At the bottom of the page you will always find a list of other bird watching.
We have had our most beautiful bird observations in Europe on Iceland, in Scandinavia (Norway, Sweden, Finland, Denmark), in Holland, in England, in Poland, in Austria, in Switzerland, in Belgium, in Ireland, in Italy, in France, Portugal, Spain, Greece, Germany in Berlin, in Hamburg on the Elbe, in Bremen, in North Rhine-Westphalia, in Baden-Württemberg, in Saarland, in Rhineland-Palatinate, in Bavaria, in Hesse, in Schleswig- Holstein, in Mecklenburg-Western Pomerania (Lewitz), in Thuringia, in Brandenburg, Saxony-Anhalt and in Lower Saxony.
And remember, the protection of nature and birds is important.
Observations, photographs, bird pictures and author: Gerhard Brodowski Hamburg
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