My office is on the third floor of an old mill just of Deane Rd, Bolton near town centre.Over looks Rivington , Bolton School and cemetry good view in Summer if we ever have one , sit here most days with a small pair of bins on my desk just in case.Today 3 Pied Wagtails on the roof, 1x Grey Wagtail and 1x Peregrine about 25 foot from my window on eye level ! Result. Now thats a grand day at the office. Whats your best unexpected sighting ?