Among the macaws there are certain customs that are never debated: you must leave the nest tidy. And the fact is that those species that groom each other generate less cortisol, the hormone responsible for stress. In reality, this is a general phenomenon among birds, but in this species it plays a fundamental role due to the special characteristics of their wings, with receptors particularly sensitive to an infinity of stimuli: heat, pressure, movement, and more. Jacinta and her partner Jacinto have known it since they were children. That is why they repeat this ritual daily. And here we have them. Gently cupping the plumage, sinking the beak here, slowly readjusting a detail there. Now all you need to do is pop these Maxi earrings on and fly away!