Pallid/Montagu's Harrier

Pallid/Montagu's Harrier

Observation - Pallid/Montagu's Harrier - Global. Description: This morning I spotted a small ringtail Harrier flying overhead being mobbed by a Sparrowhawk. I know it is either a Pallid or Montagu's because the wings of a Hen or Marsh are broader than the wings of this bird. I first spotted it but one of the ringers

This morning I spotted a small ringtail Harrier flying overhead being mobbed by a Sparrowhawk. I know it is either a Pallid or Montagu's because the wings of a Hen or Marsh are broader than the wings of this bird. I first spotted it but one of the ringers and his friends are working on it too. I was hoping one of you could give some tips or an ID??