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Employees of a building at Houston in the United States, received a special but intimidating visit: Hundreds of bats seized the facade of the Place, as seen in the clips published on YouTube.
Workers said this happens every year. There are hundreds of bats roosting each year on the same wall for the pleasure and surprise of the workers who, fascinated, film the scene from inside the office.
YOU CAN SEE YouTube: A dog steals the camera owner and the two perform an epic chase [VIDEO]
It's a show that occurs during the migration of these animals. As birds migrate to exploit seasonal food resources, most bats migrate to find better hibernation conditions.
According to US and German researchers, about 3% of the nearly 1,000 species of bats migrate each year to more or less distant places, which seems to prove this clip YouTube . Bats is a constant concern for the authorities, and is that when they pass through the cities is reported some attacked people.
The condition caused by these flying mammals, is usually only deadly once a person begins to show signs of having anger. The drug to counteract it consists of 5 injections for 14 days.
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