Object: A wool cap or sweater

Boys and girls, I read recently about a blue homing pigeon that was transported from Saigon, Vietnam, to Arras, France, in the dark hold of a ship. That's a journey of 72,00 miles. And yet this homing bird found its way back to Vietnam in 25 days without a single familiar landmark. That is amazing to me--that a bird can somehow know its way back home from nearly the other side of the earth--even…