baby slot4.4 Three-fingered baby sloths. A baby sloth is thought to stay with the mother for a full 12 months, during which time it learns all of the essential skills required to survive in the wild. AsA baby sloth is born with their eyes open, their claws sharp, and their teeth fully formed. Most newborn sloths weh between 300 to 500 grams (about 10 to 17 ounces), and three-fingered