Assertion: marsh harrier | /r/HasAspect | two subspecies
Facets:
value: often
type: TEMPORAL
Source sentences:
text: The Western Marsh Harrier is often divided into two subspecies:
text: The western marsh harrier is often divided into two subspecies, the widely migratory C. a. aeruginosus which is found across most of its range, and C. a. harterti which is resident all-year in north-west Africa.