History and Discovery
Banshees were discovered on fluna by the same time of El Blanco. They hunt by seeing heat and their dome part of there heads open and a sonar is releshed to take cretures behund objects as one exploer sone found out. And he was killed vary quickly. When xenomorph hives were discovered, all the xenos were died and had holes in the chests. Marines took it as they had killed them selfs. But before they knew, it they were they were sorunded by scearming and yells for help. The Banshees killed all of them and escaped into the wild.