Marmoset monkeys are small primates belonging to the Callitrichidae family, known for their diminutive size, distinctive appearance, and lively demeanor. Here's a description of the marmoset monkey: Size and Appearance: Marmosets are among the smallest primates, with most species weighing between 200 to 400 grams (7 to 14 ounces) and measuring around 15 to 30 centimeters (6 to 12 inches) in length, not including their tails. They have a characteristic...