A radio tower for the US Customs and Border Protection near the US-Mexico border has have been dealing with some unwelcome visitors.<br />According to Business Insider, the tower has been plagued by vultures.<br />They roost there and drop feces, vomit, and even prey on the buildings below.<br />Around 300 vultures have taken over the tower in the past six years.<br />They've coated the structure with "droppings mixed with urine," as well as corrosive vomit that eats away at the metal.
