Yes, the three at London are young(ish) female hybrids (or is Ellish a pure Rothschild's?). When I last visited, one had a habit of doing repeated head-twists every few minutes. It may have just been a skin irriation or something very temporary, equally if a long-standing behavioural problem there's no reason for it to have started at London.
That said, it didn't look good just before the branch-sucking okapi/s, given these are often the first exhibits the public see. I'm not sure how long London think they can go on with the giraffes as part of 'Into Africa' as it is. I hope they use the entire upper level of the Cotton Terraces one day to create a larger, diverse browsing habitat for these animals, I can't see any other part of the zoo where they could make room for a giraffe house and enclosure.
Otherwise, I can see increasing disapproval of such a large mammal remaining in an urban zoo, and I for one would be sad to see London lose its largest remaining mammals.
