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Pollution is not limited to toxic chemicals in the air and water—light pollution in urban environments, for example, has been shown to affect the mating rituals of some birds. Research has also shown that noise pollution in the oceans alters the behavior and communication of marine life such as dolphins and whales that depend on sound for daily activities. And…

According to researchers at the University of Maryland, Egyptian fruit bats, unlike their American relative the big brown bat, locate objects through a series of tongue clicks directed to either side of their target. Big brown bats locate their fast moving prey—such as mosquitos—by firing sounds from their vocal cords directly at their target. Egyptian bats, on the other hand,…