Indian nipple, belonging to the order of sparrows, and members of its family, monkey, often use animal hairs to arrange their nests. Until now, scientists believed that the monkey collects the necessary amount of hair from fallen tufts of hair or the carcasses of dead mammals. It would seem logical, because it is a much safer way for a small bird size than taking down live mammals, including predators, and then tearing hairs from them. However, they seem to do so regularly.
According to the environment published The reason for completing the study was that its creators saw a sleeping raccoon ripping Indian tears while counting the birds, which piqued their interest and they began to search for an explanation for its own behavior.
Very few scientific descriptions of a similar method of collecting fur from birds have been found, with nine studies reporting 11 similar cases. A 1946 thesis He recalled that his writer saw an Indian breast ripping the hair off the tail of a live squirrel. But even that described the thing as an odd thing, not a pervasive behaviour. Additionally, in 1991, about Australian Honey Eaters Documented They even collect the fur of a sleeping koala and build a nest from it, and the koala is not at all disturbed.
Staff at the University of Illinois turned to the world’s largest video shareholder, YouTube, and amateur birdwatchers to help find a scientific explanation for the behavior. As it turns out, YouTube is full of videos showing birds living in mammals, including on dogsAnd on catson foxes (see below) and even Even on humans They descend and begin to collect fur.
The bird method was named “kleptotrichia” from the combination of “klepto” which means Greek thief and “tricha” which means hair or hair.
But it is still questionable why birds do this, so why is the acquisition of fur more valuable to them than even their own life?
Since it is a common practice for birds in warmer climates to line the nest with hair, it can be ruled out that animal hairs should be incorporated into plants only for thermal insulation purposes – explain Study authors. The answer lies in the smell of the fur, and more specifically its original owner. The shredded hair of the mammal exudes a strong odor that deceives snakes and other small mammals that are dangerous to the eggs and the young, the latter believing that there is a fox or a raccoon where the bird’s nest is located. This is not unique to the ornithologist, for example, a large rust-tailed tyrant native to the United States collects peeled skin of snakes in its nest and carries it, while many African sparrows lay fresh excrement in their nests as they build.
Mammalian hair can also drive away parasites that are dangerous to chicks, for example, from nests formed in tree cavities, which are also used by Native American pigeons. Some birds use plants for this.
The team plans to do more research on this topic to draw more detailed conclusions about the positive effects of bird stealing. It is already suspected from preliminary geographical analyzes that birds living in higher latitudes are characterized by “kleptotrichia”, so lining and maintaining their nests may be a primary driver of sin.
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