the Mama Tiger who adopted piglets when her own cubs died. She was so depressed and not eating, the zoo keepers decided to try her with baby pigs. They put the cubs' hides on them at first hoping she'd accept her new babies. It worked!
A dog's seeing eye dog - Lily is a Great Dane that has been blind since a bizarre medical condition required that she have both eyes removed. For the last 5 years, Maddison, another Great Dane, has been her sight. This story literally melts my heart