Discover the enchanting Santarém Marmoset (*Mico humeralifer*), a small yet captivating primate native to the Brazilian Amazon's lush rainforests. With their striking tufts of white fur and agile, social nature, these delightful creatures play a vital role in their ecosystem by aiding in seed dispersal and maintaining forest health. Learn about their unique behaviors, specialized diet, and the conservation efforts essential for preserving this extraordinary species.