Graham Knight’s passion for a bird that eats, drinks and sleeps while spending nine months on the wing, knows no bounds – so much so he has set up his own group. Sawbridgeworth Swifts was launched in October last year and since then Graham has been urging residents in the area to have boxes installed in the eaves of their houses. So far, that means 60 boxes have been installed at homes in Sawbridgeworth, Bishop’s Stortford and surrounding villages, making a small contribution to the battle to save the red-listed swift. He has also begun having swift bricks – designed to provide permanent, main…