The first documented reference to rare and scarce birds month by month.
JANUARY | 16
1st: AMERICAN GOLDEN PLOVER: 2002 at New Passage | Siberian Chiffchaff: 2005 at Emerson's Green.
2nd: SNOW BUNTING: 1948 at Aust | AMERICAN WIGEON: 2017 from Littleton Warth.
3rd: COMMON CRANE: 2000 at Severn Beach.
5th: FIRECREST: 1980 at Hanham.
6th: RED-THROATED DIVER: 1960 from Shepperdine | TWITE: 1978 on Severnside | RUDDY DUCK: 1979 from Aust Warth.
15th: Continental Cormorant: 2001 at Oldbury Power Station.
25th: Nordic Jackdaw: 2008 at Marshfield.
31st: SHORELARK: 1960 at Severn Beach.
Also in January: BITTERN: 1891 - Hambrook | GOOSANDER: 1891 - Bitton | GREAT GREY SHRIKE: 1891 - Dyrham | PURPLE SANDPIPER: 1892 - New Passage.
FEBRUARY | 11
1st: PINK-FOOTED GOOSE: 1940 from Severn Beach | LESSER SPOTTED WOODPECKER: 1942 at Little Stoke.
3rd: RED-FLANKED BLUETAIL: 2014 at Marshfield.
10th: COMMON REDPOLL: 2004 at Thornbury.
12th: SMEW: 1855 at Dyrham | Pale-bellied Brent Goose: 1995 on Northwick Warth | EGYPTIAN GOOSE: 2002 at Oldbury Power Station.
23rd: ICELAND GULL: 1940 at Stoke Gifford | WAXWING: 1947 at Filton 28th RING-BILLED GULL: 1987 at New Passage.
Also in February: BARNACLE GOOSE: 1973 - Severn Beach.
MARCH | 10
1st: TAIGA BEAN GOOSE: 1998 at Oldbury Power Station.
3rd: RED KITE: 1957 at Tockington.
5th: VELVET SCOTER: 1892 from New Passage.
8th: BEWICK'S SWAN: 1970 at Severn Beach.
11th: PENDULINE TIT: 2015 at Dyrham.
18th: MEDITERRANEAN GULL: 1979 at Stoke Gifford.
25th: IBERIAN CHIFFCHAFF: 2017 at Kingsgate Park, Yate.
28th: BLACK REDSTART: 1937 at Severn Beach.
Also in March: Scandinavian Rock Pipit: 1870 - New Passage | Greenland Wheatear: 1959 - Severn Beach.
APRIL | 20
1st: WATER PIPIT: 1960 at New Passage.
2nd: RING-NECKED DUCK: 1988 from New Passage.
4th: RED-CRESTED POCHARD: 1971 from Littleton Warth.
5th: BEARDED TIT: 1981 at Littleton.
6th: SERIN: 2017 at New Passage.
11th: ALPINE SWIFT: 1993 Aust Warth.
12th: PALLID HARRIER: 2016 at Marshfield.
13th GARGANEY: 1982 from Severn Beach.
15th: Ashy-headed Wagtail: Northwick Warth in 2018.
18th: RUDDY SHELDUCK: 1942 from Aust Warth | SPOONBILL: 1998 at Severn Beach | Continental Coal Tit: 2013 at Bitton.
22nd: RED-THROATED PIPIT: 2012 on Northwick Warth.
23rd: Blue-headed Wagtail: 1954 at Severn Beach.
24th: CATTLE EGRET: 1993 at Littleton | CETTI'S WARBLER: 1994 at Littleton Warth | CITRINE WAGTAIL: 2019 Pilning WR.
25th: SCAUP: 1938 from Severn Beach.
27th: SLAVONIAN GREBE: 1989 from New Passage.
29th: TEMMINCK'S STINT: 1984 at Oldbury Power Station.
MAY | 23
1st: MARSH HARRIER: 1983 at Oldbury Power Station | ROSEATE TERN: 1990 from New Passage | LAUGHING GULL: 2012 from Severn Beach.
2nd: WESTERN SUBALPINE WARBLER: 2004 at Severn Beach.
3rd: WHITE-WINGED BLACK TERN: 1990 from Aust.
4th: KENTISH PLOVER: 1947 at Severn Beach.
6th: BLACK-THROATED DIVER: 1991 from New Passage.
7th: WOOD WARBLER: 1944 at Petty France.
9th: LITTLE TERN: 1945 from Severn Beach.
10th: WHISKERED TERN: 2016 from Oldbury Power Station.
13th: EUROPEAN BEE-EATER: 2007 at Severn Beach.
14th: RED-SPOTTED BLUETHROAT: 1998 at Marshfield.
15th: ICTERINE WARBLER: 1992 at Brentry.
19th: FRANKLIN'S GULL: 1984 from Severn Beach.
20th: Greenland Dunlin: 2008 at Severn Beach.
21st: NIGHTJAR: 1944 at Filton | COLLARED PRATINCOLE: 2020 on Pilning WR.
23rd: WHITE STORK: 1971 at Hallen.
24th: LITTLE EGRET: 1993 on Northwick Warth.
25th: MONTAGU'S HARRIER: 1958 at Marshfield.
26th: BLACK KITE: 2009 at Marshfield.
Also in May: PIED FLYCATCHER: 1905 - Shepperdine | Northern Willow Warbler: 1913 - Cowhill | GRASSHOPPER WARBLER: 1935 - Almondsbury.
JUNE | 9
1st: ARCTIC SKUA: 1941 from Littleton Warth.
3rd: PALLAS'S SANDGROUSE: 1888 at Hambrook.
5th: GOSHAWK: 1989 at Thornbury.
7th: BLACK-HEADED BUNTING: 2009 at Yate.
14th: QUAIL: 1942 at Patchway.
19th: White-spotted Bluethroat: 2010 at Staple Hill.
30th: Kumlien's Gull: 1996 at Oldbury Power Station.
Also in June: MARSH WARBLER: 1909 - Patchway | GOLDEN ORIOLE: 1954 - Littleton Brick Pits.
JULY | 3
13th: Icelandic Golden Plover: 2014 on Northwick Warth.
23rd: WOODCHAT SHRIKE: 1989 at Marshfield.
27th: STONE CURLEW: 1999 at New Passage.
AUGUST | 5
12th: SEMIPALMATED SANDPIPER: 1990 at Oldbury Power Station.
14th: AQUATIC WARBLER: 1976 at Littleton Brick Pits.
20th: BROAD-BILLED SANDPIPER: 1983 at Oldbury Power Station.
22nd: WOOD SANDPIPER: 1967 at New Passage.
Also in August: SHAG: 1951 - Cromhall.
SEPTEMBER | 19
7th: SOOTY SHEARWATER: 1974 from Aust.
9th: WOODLARK: 1941 at Severn Beach | Scandinavian Chiffchaff: 1995 at Severn Beach.
12th: WHITE-RUMPED SANDPIPER: 1985 at Severn Beach | BALEARIC SHEARWATER: 1988 from New Passage.
13th: SABINE'S GULL: 1980 from New Passage | ORTOLAN BUNTING: 2018 from Northwick Warth.
14th: DOTTEREL: 1974 at Severn Beach.
16th: RED-FOOTED FALCON: 1974 at Shepperdine | RED-RUMPED SWALLOW: 1977 at New Passage.
17th: PECTORAL SANDPIPER: 1989 at Oldbury Power Station.
20th: TEREK SANDPIPER: 1986 at Severn Beach.
22nd: COMMON ROSEFINCH: 2001 at Downend.
24th: WILLOW TIT: 1940 at Stoke Gifford.
26th: Grey-headed Wagtail: 2009 on Northwick Warth.
28th: LITTLE BITTERN: 1958 at Keynsham | RING-NECKED PARAKEET: 1996 at Brentry.
30th: BUFF-BREASTED SANDPIPER: 1989 at New Passage.
Also in September: SPOTTED CRAKE: 1891 - Stoke Gifford.
OCTOBER | 19
4th: LONG-TAILED SKUA: 1981 from New Passage.
5th: DARTFORD WARBLER: 2005 on Northwick Warth.
6th: SHORT-EARED OWL: 1942 at Severn Beach.
7th: LEACH'S PETREL: 1938 from Aust.
8th: RED-NECKED PHALAROPE: 2001 from Severn Beach.
12th: YELLOW-BROWED WARBLER: 2001 at Old Passage.
14th: GLOSSY IBIS: 2009 at Severn Beach.
16th: LONG-BILLED DOWITCHER: 1977 at Aust.
17th: Greenland White-fronted Goose: 2010 from Littleton Warth.
21st: STORM PETREL: 1824 at Alveston | GREY PHALAROPE: 1949 at Stoke Gifford.
24th: BLACK-NECKED GREBE: 1996 from New Passage.
25th: PIED WHEATEAR: 2011 Oldbury-on-Severn.
27th: BLACK GUILLEMOT: 1999 from Severn Beach.
29th: WHOOPER SWAN: 1983 at Oldbury Power Station.
30th: CORNCRAKE: 1938 at Patchway.
31st: LONG-TAILED DUCK: 1976 from New Passage.
Also in October: LITTLE AUK: 1841 - Severnside | PUFFIN: 1935 - Filton.
NOVEMBER | 14
2nd: HEN HARRIER: 1980 on Northwick Warth.
16th: MANDARIN: 1986 at Tortworth | CASPIAN GULL: 2002 at Harnhill.
17th: SPOTTED REDSHANK: 1954 at Shepperdine.
18th: RED-BREASTED GOOSE: 1909 at Oldbury-on-Severn | Continental Greylag Goose: 2011 at Warmley.
19th: NIGHT HERON: 1971 on Severnside.
25th: BLACK/ WHITE-BELLIED STORM PETREL: 2009 from Severn Beach.
26th: CORY'S SHEARWATER: 2000 from Severn Beach.
27th: RICHARDS PIPIT: 1993 at Aust | PACIFIC DIVER: 2009 from Severn Beach.
30th: GREAT WHITE EGRET: 2012 near Almondsbury.
Also in November: POMARINE SKUA: 1879 - New Passage | KING EIDER: 1912 - Shepperdine | YELLOW-LEGGED GULL: 1989 - New Passage.
DECEMBER | 10
3rd: RED-BREASTED MERGANSER: 1982 from Severn Beach.
8th: ROSE-COLOURED STARLING: 2000 at Hanham.
11th: DESERT WHEATEAR: 2013 at Severn Beach.
14th: GREAT NORTHERN DIVER: 1983 from Aust.
16th: EASTERN YELLOW WAGTAIL: 1993 at Aust.
18th: LAPLAND BUNTING: 1981 at Severn Beach.
Also in December: WHITE-TAILED EAGLE: 1871 - Dodington | AVOCET: 1900 - Thornbury | JACK SNIPE: 1935 - Stoke Gifford | WHITE-FRONTED GOOSE: 1938 - Severn Beach.