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The cities have grown so much that they have put the existence of their birds at risk, which years ago lived with the citizens. That’s why, an invention It has gained strength in recent years and consists of making a brick that serves as a nest.
And it is that the situation has become urgent. SEO Birdlife, a bird monitoring study in Europe, has shown that the sparrow population has dropped by more than 60%, that is, some 300 million birds. The swift is also another endangered bird.
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The problem is that the birds no longer find a place to make their nests, reported the page El Español-Omicrono. Therefore, this peculiar brick design allows birds to nest on the walls of buildings.
The idea arose more than 30 years ago, but over time it has evolved to reach prices between 20 and 200 euros. Royal Society for the Protection of Birds was one of the first to make these bricks
What does it consist of? These are hollow rectangular boxes made of a breathable material, usually a mixture of concrete with wood or stone.
Another manufacturer is Manthorpe Building Products, which claims to have made more than 20,000 of its bricks and demand continues to rise. “The brick had to work for both the builder and the birds, otherwise they wouldn’t be used,” explains Mike Challinor, Manthorpe’s technical and development manager.
Source: Elcomercio
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