those spots are hard to come by even in a protected forest like tambopata. the scarcity of nests leads to deadly fights between nesting macaw parents and other macaws looking for a home. >> they will kill chicks, they will harm the parents and they may cause such a disruption, that the parents may be unwilling to return to the nest. >> that's why the macaw project is researching man made nests like this one -- called mandy lu. once annie reaches the nest- she opens a special door to access the chicks - separate from the opening the adult macaws use to get in and out. inside - our first peek at the hope for the next generation of macaws. >> comin' up. >> the frail pale chick is not what you'd expect, but it is alive and annie needs to get it down to the ground quickly. safety is paramount for these vulnerable chicks. annie uses sanitizer on her hands to protect them from germs. the bucket that will take them down is warmed with a hot water bottle - because these chicks have no protection against the cold. >> ok - letting go. >> dr portuguez luyo first weighs