Complex sentence: Adults and young may be killed by birds of prey or corvids, and this species is a host of blood-sucking mites, but its extensive and expanding range and large population mean that there are no significant conservation concerns.
Split into simpler sentences: Adults and young may be hunted and eaten by birds of prey or corvids, and this species is a host of blood-sucking mites. With its extensive and expanding range and large population there are no significant conservation concerns.