Complex sentence: It was re-assessed in 2008 and 2016, and rated as a species of least concern because although the current state of its population trend is unclear, its population is not considered to be declining near the rate required to warrant the species a threatened status.
Split into simpler sentences: It was re-assessed in 2008 and 2016 and rated as a species of least concern. This is because although the current state of its population trend is unclear, its population is not considered to be declining near the rate required to warrant the species a threatened status.