In the absence of time to do any proper birding, a family walk in the Chilterns (about 20km outside of Oxfordshire) produced some nice autumn colours today in the shape of a flock of Mandarin. A non-native species, but one of the better looking ones. Continuing the non-native theme, there were quite a few Ring-necked Parakeet in the woods too, both species seem to be working their way west towards Oxfordshire: 
