please do not take superstitions to hart because they are just ways to explain a widely held but unjustified belief in a supernatural causation leading to a certain consequences of an action or event, or a practice based on such a belief.
It is a superstition in Serbia that black cats bring bad luck. However, The coat color of black cats is due to genetics. The high production levels of the pigment melanin cause it. This gene happens to be a domonant gene trait so it is passed along through the parent or parents. About 18% of the cat population is black. However, most black cats have splashes of white on them. Only about one out of twenty two are acually completly black. Scientific studies have shown that black cats are less prone to health problems and diseases. In the 17th century, medieval Europeans believed that demons and witches could transform into black cats, therefore starting this superstition that black cats are bad luck. Black cats tend to be good-natured and easy-going. They tend to be calm and tolerant of children and other animals. Black cats also tend to be vigilant and intelligent; however, there is no scientific evidence that black cats are more intelligent than regular cats.
It is a superstition in Serbia that steping on a cricket brings bad luck.
it is a superstition that crows are omens of bad luck.
However crows are very intelligent birds next to ravens, jays, and parrots, being able to use tools and problem solve. usually living in family groups called a murder. the murder of crows can be as large as up 100,000 crows in the group. crows can basically be found everywhere except. south america and Antarctica in tidal flats, in agricultural fields or orchards, riparian forests, along the edge of forests, along the edge of a lakes or streams, on savannas, and in suburban areas. another intresting fact about Crows is that they are omnivorous birds and will eat whatever is available including insects, spiders, snails, fish, snakes, eggs, nestling birds, cultivated fruits, nuts, and vegetables, They will also scavenge for dead animals and garbage. Crows can remember peoples faces for up to five years and can live up to seven to eight years in age in the wild and that is if they survive being hunted by the hawks, owls, eagles, as well as foxes, cats, raccoons and wolves since these are the main predators of crows.
It is a superstition in Serbia that owls are omens of bad luck.