Complex sentence: In 1881, he reported on species he had observed, including a reed-warbler he identified as the Carolinian Reed Warbler, and in 1883, he described it as a new species, "Calamoherpe rehsei".
Split into simpler sentences: In 1881, he reported on species he had observed, including a reed-warbler he identified as the Carolinian Reed Warbler. In 1883, he described it as a new species, "Calamoherpe rehsei".