The increase in average summer temperatures could affect the appearance of most birds on the planet. For such controversial conclusion came specialists of Chicago, who for four decades were collected and measured the birds, analyzing the original image more than 70 716 copies. Scientists have discovered that over the last few decades the body weight of birds decreased significantly compared to previous periods, which may indicate a strong influence of climate change on the organisms of living beings of the Earth. Whether so it actually? Let’s try to understand together in this article.
Could climate change affect the organisms of living beings?
The question of whether the impact of climate change on the condition of the body or other living creature, has long interested scientists. After analyzing a huge number of birds, David Willard, collections Manager Emeritus of the field Museum in Chicago and co-author of the study, came to the conclusion that he found samples of 52 common species of birds are very different from their brethren who have died, crashing into Chicago buildings more than four decades ago. Scientist found that over the last few decades the body weight of birds decreased by 2.6 percent, the bones of their legs shortened by 2.4 percent, and the length of the wings increased by an average of 1.3 percent.
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Scientists do not know exactly what causes the decrease of birds in size, however, they believe that this unexpected effect may appear because small animals are easier to keep cool with minimal energy consumption. In addition, the growth of the wings of the young birds may be associated with the same cause at the same time turning sparrows, swallows and Tits even more effective pilots.
The studies conducted on Alpine goats and salamanders have also shown that they are becoming less due to the impact of climate change. Because the Earth’s atmosphere more heated, the creatures of the planet are actively trying to adapt to the changes taking place, changing some aspects of their biology.
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Despite the positive possibility of adaptation of birds to what is happening on the Ground climatic changes, temperature of the planet has a huge impact on the existence of other types, and, unfortunately, not for the better. The process of hibernation and migration are directly linked with what is happening in the Earth’s atmosphere processes, whose changes can cause significant disruptions in the normal functioning of organisms. Bears, not fallen excessively warm winter in hibernation, or migratory birds in the heat — only a few examples of this climate change.