Problems with ID

Adrian Drummond-Hill photographed these Bulbuls in Eastern Provice SA recently - The one on the left is our usual White-cheeked Pycnonotus leucogenys however the one on the right appears to be a Hybrid a cross with either a Red-vented or other species of escaped Bulbul any thoughts or comments welcome

Pycnonotus leucogenys
Subspecies and Distribution.
P. l. mesopotamiae Iraq, Arabia, and southern Iran.
P. l. leucotis lowlands of Pakistan and northern India, S-E Iran and S Afghanistan.
P. l. leucogenys from E Afghanistan along Himalayas to Assam.

How we are used to seeing out White-cheeked Bulbul Pycnonotus leucogenys

To see more White-cheeked Bulbul pics click HERE

Adrian photographed this Wheatear on Thursday March 22nd at Badaan Farm - while AJ had it posing in front of him, I was also observing the same bird but from another location 100m away but from the right side and rear. A second Wheatear was on the ground close by, both were females. The one on the ground appeared to be Northern but this one remained unidentifiable from where I was however, it did show some characteristics of a pale throated Black-eared Ssp melanoleuca. The bird was very obliging staying on its little rock perch for some considerable time however it only ever presented both of us a single view, it did not turn around unfortunately, it flew while I was changing location to get better views so I missed seeing it in flight. Its stance did not indicate Isabelline O isabellina examples of which where also numerous around the farm and from the back it did not look like a Northern O oenanthe. Since AJ had it in his sights I stayed well back - I could wait to see AJ's photos before attempting any ID.
After he posted these images on Bird forum a lengthy discussion has developed over whether it is a female Isabelline O isabellina or Northern O oenanthe - We would be interested to hear other opinions as to species ID, personally I am still undecided but votes in mail favour an Isabelline most likely a male