Biologist Diogo de Souza from the Amazonian Aquatic Mammals project, partners of INPA (National Institute of Amazonian Research), installs a transmitter in an Amazonian manatee before its release in the Piagacu-Purus reserve, in Anori, Amazonas state, Brazil March 23, 2019. Picture taken March 23, 2019. REUTERS/Bruno Kelly