No, not Olive-backed Pipit, Orton Brick Pit.
I spent a few hours wandering around Ferry Meadows (see below) before going to OBP where I met Kevin Du Rose. True to his birdfinding form, the above Black-necked Grebe is what we saw there.
Bad pic of a drake Shoveler
photos taken with Nikon Coolpix 995 + Leica Apo Televid 62 with 16x eyepiece