After leaving Guapi Assu Bird Lodge located on the REGUA (Reserva Ecológica de Guapiaçu) grounds on the morning of October 24, 2011, we headed out to look for the Golden Lion Tamarins in a privately owned forest. Golden Lion Tamarins form social groups. The group that we saw had eleven members consisting of one breeding adult male and female with subadults, juveniles and several infants. Tamarins typically give birth to twins, and the infants are dependent on their mother for their first couple of weeks. After that their father or related subadults help in caring for them. At about two years of age, these subadults are kicked out of the troop by their respective parent (fathers kick out male offspring; mothers kick out female offspring). Tamarins have a life span of between 13-16 years. This photo shows a female with her offspring. Temperatures were in the 70's on this clear day with blue skies.