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" ... In this video, we meet ornithologist, George Olah, who is the Scientific Advisor at the Tambopata Research Center. During his seven years at Tambopata, Dr Olah has conducted a number of different studies of the Scarlet Macaw, Ara macao, and the visually similar, but larger, Red-and-green Macaw, Ara chloroptera. His studies include identification and detailed measurements of nest cavities used by these birds, and the success for each nest type -- important information that conservation biologists can use to design the best possible artificial nest cavity for these parrots. Dr Olah also collects feathers found on the ground and blood samples from chicks in the nests so he can carry out detailed analyses of the macaws' population genetics. ... "