U
Upcher, H. M. 1876. Recent occurrence of the Great Bustard in Norfolk. Field 47: 413.
Upcher, H. M. 1876. Great Bustard at Feltwell. Zoologist (2nd series) 11: 4882.
Upton, A. 2000. Blackpoll Warbler on Noss - third SBC area record; fourth Shetland record. Shetland Bird Report 31: 97.
Upton, A. & Harvey, P. V. 2000. A Review of the Birds of Noss NNR. Shetland Bird Report 31: 103-110.
Urquhart, L. A. 1958. Buff-breasted Sandpiper in Lanarkshire. British Birds 51: 193-194.
Urquhart, L. A. 1965. Green-winged Teal in Renfrewshire. Scottish Birds 3: 408-409.
Urquhart, L. A. 1977. Pied-billed Grebe in Kirkcudbrightshire. Scottish Birds 9: 297-298.
Usher, C. H. 1932. White-eyed or Ferruginous Duck (Nyroca nyroca) in Aberdeenshire. Scottish Naturalist 52: 58.
Utley, J. P. 1943-44. Eagle Owl in Yorkshire. British Birds 37: 215-216.