Black and white birds in UK gardens

In a British garden, a black and white bird is most likely a magpie if it has a very long tail, a pied wagtail if it is small and walking about wagging its tail, or a great spotted woodpecker if it is clinging to a tree trunk.

13 of the 30 birds on this site fit. Each one links to its full page, with what separates it from the ones it gets mistaken for.

Not here? Describe what you saw — the identifier ranks every garden bird rather than filtering them out, so it will not hide yours.