Naming
It is recognized as a species by some taxonomic authorities, including the International Ornithologists' Union. Others still consider it to be a subspecies of the vermilion flycatcher.When Pieter Boddaert first described the scarlet flycatcher in 1783, from a specimen collected in Tefé, Brazil, he assigned it to the genus ''Muscicapa'', believing it to be related to the many Old World flycatchers already belonging to that genus. By the 1830s, however, taxonomists realized that Old World and New World flycatchers were not closely related, and the New World birds were moved from their former genera.
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