O

Oakes, C. 1946. Red-breasted Flycatcher in Lancashire. British Birds 39: 117.

Oates, J. 1987. Caspian Tern at Minsmere, Suffolk. Twitching 1: 122-123.

Oates, J. 2001. The Red-necked Stint in Cambridgeshire. Birding World 14 (9): 378-379.

Oates, J. 2001. Red-necked Stint at Somersham GP: New to Cambridgeshire. Cambridgeshire Bird Report 2001: 113-115.

Oates, J. 2001. American Golden Plovers at Swaffham Prior Fen: New to Cambridgeshire. Cambridgeshire Bird Report 2001: 115-118.

Oates, J. 2005. Collared Pratincole: Third County Record. Cambridgeshire Bird Report 79: 186.

Oates, J. & Hanlon, J. 2004. Pacific Golden Plover at Fidwell Fen: Second County record. Cambridgeshire Bird Report 2004: 144-146.

Occhiato, D. 2007. Western and Eastern Bonelli's Warblers in the field. Birding World 20 (7): 303-308.

O'Connor, T. 1990. American Wigeon at Gladhouse. Lothian Bird Report 12: 80.

Oddie, W. E. 1974. Solitary Sandpiper. Isles of Scilly Bird Report 6: 24.

Oddie, W. E. 1975. Solitary Sandpiper. Isles of Scilly Bird Report 7: 30-31.

Oddie, W. E. 1981. Cretzschmar's Bunting in Shetland. British Birds 74: 532.

Oddie, W. E. 1987. Black-eared Wheatear on Bryher. Twitching 1: 263-264.

Oddie, W. E. 1994. From the Rarities Committee's files: American Golden Plover in Scilly. British Birds 87: 67-68.

Odell, D. 1986. Thanks for the Nutcracker arrangements. British Birds 79: 92-94.

Odin, N. 1987. Booted Warbler at Dungeness. Twitching 1: 260-261.

Odin, N. 1993. Semipalmated Sandpiper - third for Suffolk. Suffolk Birds 43: 158-159.

Odin, N. & Askins, J. R. 1991. Gull-billed Tern. Suffolk Birds 41: 148.

Odin, N., James, M. & Holmes, P. 1999. The Yellow-breasted Bunting in Suffolk. Birding World 12 (8): 317.

Offereins, R. 1995. White-cheeked Starling: a true vagrant? Birding World 8 (11): 430.

Offord, S. 2008. The Black Lark in Norfolk. Birding World 21 (4): 153-155.

Ofield, B. 2011. Pied-billed Grebe, Salen Bay, Isle of Mull, March 2011 - second record for Argyll. Scottish Birds 31: 185-187.

Ogg, W. 1915. Great Snipe in Elginshire. Scottish Naturalist 35: 357.

Ogg, W. 1918. The Snowy Owl in Elgin. Scottish Naturalist 38: 274.

Ogilvie, D. 1997. White-winged Black Tern: third record for the county. Fife Bird Report 18: 115.

Ogilvie, D. 2001. Ring-necked Duck at Lochore Meadows. Fife Bird Report 22: 121.

Ogilvie, D. & Fotheringham, D. S. 1998. Little Bunting at Fife Ness. Fife Bird Report 19: 140-141.

Ogilvie, F. M. 1889-94. Notes on a Norfolk Specimen of the Red-breasted Flycatcher. Transactions of the Norfolk and Norwich Naturalists' Society 5: 197-199.

Ogilvie, F. M. 1892. Ruddy Sheldrake in Suffolk. Field 80: 247.

Ogilvie, F. M. 1892. Ruddy Sheldrakes in the British Isles. Field 80: 368.

Ogilvie, F. M. 1892. Ruddy Sheldrakes in the British Isles. Field 80: 433

Ogilvie, F. M. 1892. On the recent occurrence in the British Islands of the Ruddy Sheldrake. Zoologist (3rd series) 16: 392-398.

Ogilvie, M. A. and the Rare Breeding Birds Panel. 1995. Rare breeding birds in the United Kingdom in 1992. British Birds 88: 67-93.

Ogilvie, M. A. and the Rare Breeding Birds Panel. 1996. Rare breeding birds in the United Kingdom in 1994. British Birds 89: 387-417.

Ogilvie, M. A. and the Rare Breeding Birds Panel. 1996. Rare breeding birds in the United Kingdom in 1993. British Birds 89: 61-91.

Ogilvie, M. A. and the Rare Breeding Birds Panel. 1998. Rare breeding birds in the United Kingdom in 1995. British Birds 91: 417-447.

Ogilvie, M. A. and the Rare Breeding Birds Panel. 1999. Rare breeding birds in the United Kingdom in 1996. British Birds 92: 120-154.

Ogilvie, M. A. and the Rare Breeding Birds Panel. 1999. Non-native birds breeding in the United Kingdom in 1996. British Birds 92: 176-182.

Ogilvie, M. A. and the Rare Breeding Birds Panel. 1999. Rare breeding birds in the United Kingdom in 1997. British Birds 92: 389-428.

Ogilvie, M. A. and the Rare Breeding Birds Panel. 1999. Non-native birds breeding in the United Kingdom in 1997. British Birds 92: 472-476.

Ogilvie, M. A. and the Rare Breeding Birds Panel. 2000. Rare breeding birds in the United Kingdom in 1998. British Birds 93: 358-393.

Ogilvie, M. A. and the Rare Breeding Birds Panel. 2000. Non-native birds breeding in the United Kingdom in 1998. British Birds 93: 428-433.

Ogilvie, M. A. and the Rare Breeding Birds Panel. 2001. Rare breeding birds in the United Kingdom in 1999. British Birds 94: 344-381.

Ogilvie, M. A. and the Rare Breeding Birds Panel. 2001. Non-native birds breeding in the United Kingdom in 1999. British Birds 94: 518-522.

Ogilvie, M. A. and the Rare Breeding Birds Panel. 2002. Rare breeding birds in the United Kingdom in 2000. British Birds 95: 542-582.

Ogilvie, M. A. and the Rare Breeding Birds Panel. 2002. Non-native birds breeding in the United Kingdom in 2000. British Birds 95: 631-635.

Ogilvie, M. A. and the Rare Breeding Birds Panel. 2003. Rare breeding birds in the United Kingdom in 2001. British Birds 96: 476-519.

Ogilvie, M. A. and the Rare Breeding Birds Panel. 2003. Non-native birds breeding in the United Kingdom in 2001. British Birds 96: 620-625.

Ogilvie, M. A. and the Rare Breeding Birds Panel. 2004. Rare breeding birds in the United Kingdom in 2002. British Birds 97: 492-536.

Ogilvie, M. A. and the Rare Breeding Birds Panel. 2004. Non-native birds breeding in the United Kingdom in 2002. British Birds 97: 633-637.

Ogilvie, M., Ferguson-Lees, J. & Chandler, R. 2007. A history of British Birds. British Birds 100: 3-15.

Ogilvie-Grant, W. R. 1906. The Birds of Scilly. Zoologist (4th series) 10: 470.

Ogilvie-Grant, W. R. 1908-09. The Northern Marsh-titmouse in England: a new British bird. British Birds 2: 277-278.

Ogilvie-Grant, W. R. 1913. Occurrence of the Carolina Crake in the Island of Lewis, Outer Hebrides. Country Life 34: 725.

Ogilvie-Grant, W. R. 1913-14. Red-footed Falcon reported from Aberdeenshire. British Birds 7: 199.

Ogilvie-Grant, W. R. 1913-14. Carolina Crake in Outer Hebrides. British Birds 7: 202-203.

Ogilvie-Grant, W. R. 1915-16. The Greater Spotted Eagle in Herefordshire. British Birds 9: 186.

O'Hanlon, N. & Hughes, R. 2021. 'Taiga Merlin' in Caithness: new to Britain. British Birds 114: 30-33.

Oksien, M. 2003. The Red-eyed Vireo on Barra, 5th-7th October 2003. Birding Scotland 6 (4): 185-187.

Oksien, M. 2005. Sardinian Warbler at Fife Ness Muir, October 2005 - the first record for Fife. Birding Scotland 8 (4): 171-174.

Oksien, M. 2009. Probable breeding by Common Rosefinches Berriedale, Caithness, June 2006. Birding Scotland 9 (3): 119-120.

Oksien, M. 2020. Western Bonelli's Warbler, Barra, 12-19 September 2019 - first record for the Outer Hebrides. Scottish Birds 40: 177-179.

Oksien, M., Lauder, A. W. & Shaw, K. D. 2004. Masked Shrike, Kilrenny, Fife - a first for Britain. Birding Scotland 7 (4): 189-194.

Oldfield, P. 1995. Whiskered Tern - Third for Suffolk. Suffolk Birds 45: 165.

Oldham, C. 1892. Great Snipe at Bolsover. Naturalist (Yorkshire) 1: 326.

Oldham, C. 1897. Night Heron in Derbyshire. Zoologist (4th series) 1: 329.

Oldham, C. 1902. Sooty Tern in Lancashire. Zoologist (4th series) 6: 355.

Oldham, C. 1905. Ruddy Sheld-drake (Tadorna casarca) in Lancashire. Zoologist (4th series) 9: 107-108.

Oldham, C. 1905. Pacific Eider in Orkney. Zoologist (4th series) 9: 142.

Oldham, C. 1908. On occurrence of Kermadec Petrel in Cheshire. Proceedings of the Zoological Society of London 21: 101.

Oldham, C. 1910-11. American Wigeon in Anglesey. British Birds 4: 87.

Oldham, C. 1914-15. Ferruginous Duck in Caernarvonshire. British Birds 8: 120.

Oldham, C. 1929-30. White-winged Black Tern in Hertfordshire. British Birds 23: 196-197.

Oldham, C. 1940-41. Lesser Grey Shrike in Hertfordshire. British Birds 34: 17.

Oliver, D. W. 1966. Woodchat Shrike in Fife. Scottish Birds 4: 101-102.

Oliver, D. W. 1971. Great Reed Warbler in Fife. Scottish Birds 6: 337.

Oliver, D. W. 1973. Bonaparte's Gull in Fife. Scottish Birds 7: 258-259.

Oliver, D. W. 1996. Pectoral Sandpiper - 2nd county record. Fife Bird Report 17: 120-121.

Oliver, J. D. 1963. Glossy Ibis in South-east Sutherland. Scottish Birds 2: 364-365.

Orr, B., Given, D. & Forrester, B. C. 1989. Lesser Yellowlegs at Shewalton, 23 September 1989. Ayrshire Bird Report 1989: 54-55.

Orr-Ewing, D. 1991. The Harlequin Duck in Highland. Birding World 4 (2): 47-48.

Osborn, K. 1987. Mottling on upperparts of a Paddyfield Warbler. British Birds 80: 634-635.

Osborn, K. 1990. Yellow-headed Blackbird on Fair Isle. Birding World 3 (5): 160.

Osborn, K. 1993. The Shetland Hippolais warbler. Birding World 6 (11): 437-438.

Osborn, K. 1997. The Blue-cheeked Bee-eater in Shetland. Birding World 10 (6): 220.

Osborn, K. 1998. Little Bustard at Ringasta - first Shetland record. Shetland Bird Report 29: 90-91.

Osborn, K. 1998. Bobolink at Durigarth - second Shetland record. Shetland Bird Report 29: 95.

Osborn, K. 1999. The Dark-breasted Barn Owl on Shetland. Birding World 12 (11): 454-457.

Osborn, K. 1999. Bobolink at Durigarth - second Shetland record. Shetland Bird Report 30: 95.

Osborn, K. 2001. Pine Grosbeak on Shetland - the third Scottish record. Birding Scotland 4 (1): 32.

Osborn, K. 2001. The Siberian Rubythroat on Shetland. Birding World 14 (10): 426-427.

Osborn, K. & Harvey, P. V. 1994. The Chestnut Bunting in Shetland. Birding World 7 (9): 371-373.

Osborn, K. & Suddaby, D. 1990. Pallas's Sandgrouse in Shetland. Birding World 3 (5): 161-163.

Osborne, Jun., H. 1863. Pallas’s Sand Grouse. Field 21: 624.

Osborne, Jun., H. 1863. Notes from Caithness. Field 22: 559.

Osborne, Jun., H. 1863. Pallas’ Sand Grouse in Scotland. Zoologist (1st series) 21: 8689-8690.

Osborne, Jun., H. 1864. Sand Grouse in Caithness. Zoologist (1st series) 22: 8889.

Osman Hill, W. C. 1946. Black Stork in Scotland. British Birds 39: 344-345.

O'Sullivan, J. and the Rarities Committee. 1977. Report on rare birds in Great Britain in 1976. British Birds 70: 405-453.

O'Sullivan, J. M. 1972. Steller's Eider in the Outer Hebrides. Scottish Birds 7: 202-203.

Otter, D. 2020. Steller's Eider, Westray and Papa Westray, October 2019 to April 2020 - the fifth Orkney record. Scottish Birds 40: 276-277.

Otter, D. & Otter, S. 2012. Sharp-tailed Sandpiper, Westray, Orkney, 20-23 July 2012 - the first for Orkney and fifth Scottish record. Scottish Birds 32: 369-370.

Outram, B. 2016. Pallid Harrier, 10-12 October 2015 - the first Isle of May record. Scottish Birds 36: 50-51.

Overend, J. G. 1866. Eggs of Baillon's Crake at Great Yarmouth. Zoologist (2nd series) 1: 389.

Overend, J. G. 1866. Bohemian Waxwing, Shore Lark, Richard's Pipit, and Montagu's Harrier near Great Yarmouth. Zoologist (2nd series) 2: 633-634.

Overend, J. G. 1867. Occurrence of Rare Birds near Great Yarmouth. Field 29: 58.

Overend, J. G. 1870. Occurrence of rare birds near Great Yarmouth. Field 35: 115.

Overend, J. G. 1872. Alpine Swift at Great Yarmouth. Field 40: 301.

Overend, J. G. 1873. White Stork near Yarmouth. Field 41: 586.

Owens, G. 2002. Caspian Tern at Skinflats, 9th July 2002 - the 1st record for Forth. Birding Scotland 5 (4): 153-154.

Owens, J. O. 1949. Two-barred Crossbills in Surrey. British Birds 42: 119-120.