Golden-headed lion tamarin is one of the most endangered callithrix species on the world. Those species endemic for Brazilian rainforest live on tree trunks on altitude 3-10 m above ground level. They live in family groups and all members look after cubs. The diet consist of fruit, leaves, insects, spiders and small vertebrates.
Great green macaw live in the wild in groups of 5-6 individuals. They feed on nuts, fruits, seeds.