At age 75, Vadevino Alano keeps up a brisk pace as he strides through the forest on the way to the Armadillo’s Den — a spectacular cave in southern Brazil. When he reaches the cave’s opening, Alano is ...

The only armadillo whose ranks seem to be increasing, it also has the largest range—in South, Central, and North America—which is expanding as climates warm. Found across South America ...