My results (birds seen together, at the same time) for Garden Watch:
3 x blackbird, 1x collared dove, 1x greenfinch, 1x robin, 1x blue tit, 4x house sparrow, 2x jackdaw, 6x starling, 6x chaffinch, 2x goldfinch.
There was a rook just outside the garden, but I couldn’t count it.