Q: Why did ants make it all over the Americas while anteaters are only found in South America? Chris Bristol | Grants Pass, Oregon As specialized feeders, anteaters—which include the giant ...

THE giant anteater (Myrmecophaga jubata), a South American edentate with a well developed olfactory system and an almost insatiable penchant for sniffing, has traditionally been called a ...

Q: Why are so many South American animals smaller than their counterparts on other continents? —Donald Dorfman | Sacramento, California Smaller animals have an easier time navigating dense ...