The decline in the number of butterflies depends on the color of their wings


The ability of butterflies to withstand climate change is related to their ability to adapt their temperature, which depends on the size and color of their wings. Butterflies do not emit internal heat and their body temperature changes according to thermal interactions with the outside. And their ability to adapt varies between races, according to the study published in the Journal of Animal Ecology. Some species go under the shade to protect themselves from the sun’s rays and adapt their internal temperature. They are “more vulnerable to climate change and its repercussions that destroy the natural habitats,” said Andrew Bladon, the lead curator of the study from the Department of Zoology at Cambridge University in Britain. With the aim of understanding how butterflies react to climate change. The researchers measured their temperature with a small scale, and found that the larger species with faded colors, such as the white butterfly or “Ramni Junipterics”, have a greater ability to adapt to heat, as they can bend their wings to direct the sun’s rays. The numbers of these species are stable or even increasing, according to researchers. Species that have smaller wings and are more colorful, such as the “copper butterfly”, are unable to control their temperature to this degree and need shade. Its numbers have declined in the last forty years.


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