Telecom towers are killing nearly seven million birds every year in the U.S. as they migrate from the US and Canada to Central and South America, says a new study.

According to a study, around 84,000 telecom towers, some of which can rise nearly 2,000 feet into the sky, much higher than the Empire State Building at 1,250 feet, dot the two countries.

However, the birds are killed not by running into the tower itself but the dozens of cables, known as guy wires, that prop up the thin, freestanding structures, said study co-author Travis Longcore, associate professor at the University of Southern California. The taller the tower the greater the threat, the study found, the journal PLoS ONE reports........Read More

Source: The Hindu