When you think about iconic Texas animals, the Nine-Banded Armadillo is probably high on your mental list. But did you know that armadillos are actually relatively recent immigrants to Texas? In 1880, a biologist by the name of Edward Drinker Cope wrote a paper, published by the Smithsonian Institution in Washington, D.C., titled “On the Zoological Position of Texas.” The point of the paper was to determine the boundaries of the major biological realms of North America—where east meet ...