Complex sentence: It was discovered in 1926 and known to be confined to a single site in the Uluguru North Forest Reserve of about 84 km²; until March 2007, when a team of Wildlife Conservation Society of Tanzania discovered it in the Uluguru South Forest Reserve in Morogoro Region.
Split into simpler sentences: It was discovered in 1926 and known to be confined to a single site in the Uluguru North Forest Reserve of about 84 km². In March 2007, when a team of Wildlife Conservation Society of Tanzania discovered it in the Uluguru South Forest Reserve in Morogoro Region.