awwwww A tiger mother lost her cubs from premature labor. Shortly after she became depressed and her health declined, so they wrapped up piglets in tiger cloth, and gave them to the mother tiger. She now loves these pigs and treats them like her babies.
Guinea pigs communicate with each other through low pitch to high pitch noises, sounds and squeals. The type of squeal has a corresponding meaning and this article outlines the meanings. There are audio links also to listen to each type of guinea pig nois
The American Guinea Hog: A Small Pig Breed for Homesteaders - Homesteading and Livestock