Six cattle died mysteriously in Texas, with their tongues removed, the hide around one side of their mouths gone and no blood spilled, authorities said this week. The cause of death for the six animals was unknown, the Madison County Sheriff’s Office said in a statement Wednesday. Madison County Sheriff's Office in Madisonville, Texas. “Ranchers also reported that no predators or birds would scavenge the remains of the cow, leaving it to decay untouched for several weeks,” the sheriff’s office said. The sheriff's office noted that similar incidents have been reported across the United States and it was coordinating with other law enforcement agencies.