Bob, about 20 years ago I was talking to an old timer, he was over 90years old, he told me his Grandfather told him the Elk, in the winter used to migrate out of the mountains in Mexico, to here in the Rio Grande, valley that was before fences. but he is not the only one that has told me Elk, are native to S. Texas.
Never heard of Elk, refereed to as { whistling deer ) interesting. Rio7
