Complex sentence: The first formal description of the blackthroat was by the Russian ornithologists Valentin Bianchi and Mikhail Berezovski in 1891 who coined the binomial name "Larvivora obscura".
Split into simpler sentences: The first formal description of the blackthroat was by the Russian ornithologists Valentin Bianchi and Mikhail Berezovski in 1891. They coined the binomial name "Larvivora obscura".