Nature Animals Plants Geography on Instagram: "Follow @explainingthewild for the best nature, animal, planet, and geography content Returning the marmoset babies to mother after a medical check is a high-stakes moment that reveals the intense emotional and physiological bonds of these small primates. Marmosets are cooperative breeders, meaning that in a family unit, everyone—from the father to older siblings—takes turns carrying and caring for the infants. Because they are so socially reliant, e