18 Baby Animal Facts That Make Us Want to Thank Mother Earth for All the Smiles

A pygmy marmoset infant babbles just like a human baby. Pygmy marmosets are the world's smallest monkeys, with an adult's weight reaching just a little over 100 grams. The babies and infants are way tinier, but what truly sets them apart is their baby talk. Just like human infants, pygmy marmoset infants babble.