Complex sentence: The area was known as "Baraúnas das Araras" because of the large number of macaws (Portuguese "arara") that could be found there as late as 1860, when the priest José Antônio Maria Ibiapina arrived in the area from Ceará.
Split into simpler sentences: The area was known as "Baraúnas das Araras" because of the large number of macaws (: arara) that could be found there up to the year 1860. In the same season, the priest José Antônio Maria Ibiapina arrived in the area from Ceará.