The orcs are popularly known for theirs In particular, the big signs in the eye. However, these projects are not only ornamental, but perform biological functions related to , and even reveal information on of the populations of these animals.
One of the main hypotheses is that the color motif of the orcs acts by the shape of . The white belly merges with the clarity coming from the surface of the ocean, while the black back is confused with the dark bottom of the sea.
This can reduce the visibility of the animal both to the prey and the possible threats, depending on the direction of the aspect. This mechanism is known how .
The darker areas of the body can generate the illusion of a lower size, making it difficult for some prey to recognize the orca as a predator. This offers advantage during the silent approach to hunting strategies.
An aspect that intrigues researchers are the known as . These signs are not exactly beyond the eyes of the animals, but occupy an important position in their heads.
According to an article by Discover the magazineThese points can play a role in AND especially during the hunt for the group. The hypothesis is that, in low visibility environments, such as the transformed waters, these brands work as . They allow other orca to view the position and direction of group companions, favoring organized collective behavior.
In a 1993 survey, published on Journal of Marine Biological Association of the United KingdomScientists identified one of these coordinated acts: the a group hunting technique. In it the orcas swim in rims around a bench, concentrating the fish at some point and then attacking together.
There is a Located behind the dorsal fin, called . This area has thin variations between individuals and populations, which allows scientists to identify different groups all over the world.
In 2015, the researchers analyzed the different commercial models in the orche in the North Atlantic. The team studied groups in Norway, Iceland, the United Kingdom, Spain and Greenland.
THE studyPublished in the same diary of the United Kingdom, he revealed that the difference in the points of points is linked to the genetics and behavior of these animals. An example is that of the orche of Scotland, which have inclined spots, aligned with the tail, in contrast with the aligned body, more common in animals in other regions.
This difference suggests not only a visual distinction, but also to . Scientists have observed that the Scottish population has That is, there is a small genetic exchange with other groups of orche.
Although there are still many doubts to answer, the Orcas stains reveal a lot about their biology and behavior. What seems only an aesthetic contrast at first sight is, in fact, a In addition to being a precious resource for the scientific community to better understand these great ocean predators.
What are the post for Orcas stains? Science responds for the first time appeared in digital look.
Source: Olhar Digital
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