He was kind of a little bit nervous when he was sharing it with me, but he told me that when a penguin finds a mate that they want to spend the rest of their life with, they present them with a pebble -- the perfect pebble.
Ele estava meio nervoso quando começou a contar, mas me disse que quando um pinguim encontra um companheiro com o qual quer passar o resto da vida junto, eles os presenteiam com um seixo -- o seixo perfeito.