Complex sentence: When the first European settlers arrived, the Kākāpō was already declining but still widespread, but the large scale clearance of forests and bush destroyed its habitat while introduced predators like rats, cats and stoats found a easy accessible food source in the flightless ground breeding species.
Split into simpler sentences: When the first European settlers arrived, the Kākāpō was already declining but still widespread. The large scale clearance of forests and bush destroyed its habitat while introduced predators like rats, cats and stoats found a easy accessible food source in the flightless ground breeding species.