Martin McCallum: Britain Year List 2021 BOU, All records Record(s) 1 to 82 of 82 total.
Seq.	Species	Scientific Name	Species Available	Species Seen	Species Seen %	
1	Pheasants & Allies	Phasianidae	10	4	40	
2	Ducks, Geese, Swans	Anatidae	60	33	55	
3	Loons	Gaviidae	5	3	60	
4	Albatrosses	Diomedeidae	2	1	50	
5	Petrels, Shearwaters, Diving Petrels	Procellariidae	12	3	25	
6	Austral Storm Petrels	Oceanitidae	1	0	0	
7	Northern Storm Petrels	Hydrobatidae	3	0	0	
8	Grebes	Podicipedidae	6	5	83	
9	Storks	Ciconiidae	2	0	0	
10	Ibises, Spoonbills	Threskiornithidae	2	2	100	
11	Herons, Bitterns	Ardeidae	15	5	33	
12	Tropicbirds	Phaethontidae	1	0	0	
13	Frigatebirds	Fregatidae	2	0	0	
14	Pelicans	Pelecanidae	1	0	0	
15	Gannets, Boobies	Sulidae	3	1	33	
16	Cormorants, Shags	Phalacrocoracidae	3	2	66	
17	Caracaras, Falcons	Falconidae	10	4	40	
18	Ospreys	Pandionidae	1	1	100	
19	Kites, Hawks, Eagles	Accipitridae	18	7	38	
20	Bustards	Otididae	3	0	0	
21	Rails, Crakes & Coots	Rallidae	12	3	25	
22	Cranes	Gruidae	2	1	50	
23	Stone-curlews, Thick-knees	Burhinidae	1	0	0	
24	Oystercatchers	Haematopodidae	1	1	100	
25	Stilts, Avocets	Recurvirostridae	2	1	50	
26	Plovers	Charadriidae	18	8	44	
27	Sandpipers, Snipes	Scolopacidae	53	26	49	
28	Coursers, Pratincoles	Glareolidae	4	0	0	
29	Gulls, Terns, Skimmers	Laridae	44	19	43	
30	Skuas	Stercorariidae	5	3	60	
31	Auks	Alcidae	9	4	44	
32	Sandgrouse	Pteroclidae	1	0	0	
33	Pigeons, Doves	Columbidae	7	6	85	
34	Old World Parrots	Psittaculidae	1	0	0	
35	Cuckoos	Cuculidae	4	1	25	
36	Owls	Strigidae	8	4	50	
37	Nightjars	Caprimulgidae	3	1	33	
38	Swifts	Apodidae	8	1	12	
39	Rollers	Coraciidae	1	0	0	
40	Kingfishers	Alcedinidae	2	1	50	
41	Bee-eaters	Meropidae	2	0	0	
42	Hoopoes	Upupidae	1	1	100	
43	Woodpeckers	Picidae	5	4	80	
44	Tyrant Flycatchers, Calyptura	Tyrannidae	5	0	0	
45	Shrikes	Laniidae	9	1	11	
46	Vireos, Greenlets, Shrike-babblers	Vireonidae	3	0	0	
47	Figbirds, Old World Orioles, Piopios	Oriolidae	1	1	100	
48	Crows, Jays	Corvidae	9	7	77	
49	Waxwings	Bombycillidae	2	0	0	
50	Tits, Chickadees	Paridae	6	5	83	
51	Penduline Tits	Remizidae	1	0	0	
52	Swallows, Martins	Hirundinidae	8	3	37	
53	Bushtits	Aegithalidae	1	1	100	
54	Larks	Alaudidae	9	3	33	
55	Cisticolas & Allies	Cisticolidae	1	0	0	
56	Cettia Bush Warblers & Allies	Cettiidae	1	1	100	
57	Grassbirds & Allies	Locustellidae	5	2	40	
58	Reed Warblers & Allies	Acrocephalidae	15	5	33	
59	Leaf Warblers	Phylloscopidae	18	9	50	
60	Sylviid Babblers	Sylviidae	16	5	31	
61	Bearded Reedling	Panuridae	1	1	100	
62	Goldcrests, Kinglets	Regulidae	3	1	33	
63	Wrens	Troglodytidae	1	1	100	
64	Nuthatches	Sittidae	2	1	50	
65	Wallcreeper	Tichodromidae	1	0	0	
66	Treecreepers	Certhiidae	2	1	50	
67	Mockingbirds, Thrashers	Mimidae	3	1	33	
68	Starlings, Rhabdornises	Sturnidae	2	1	50	
69	Thrushes	Turdidae	20	5	25	
70	Chats, Old World Flycatchers	Muscicapidae	32	10	31	
71	Dippers	Cinclidae	1	1	100	
72	Old World Sparrows, Snowfinches	Passeridae	4	2	50	
73	Accentors	Prunellidae	3	1	33	
74	Wagtails, Pipits	Motacillidae	16	6	37	
75	Finches, Euphonias	Fringillidae	22	12	54	
76	New World Warblers	Parulidae	19	0	0	
77	Oropendolas, New World Orioles, Blackbirds	Icteridae	4	0	0	
78	Buntings	Emberizidae	18	4	22	
79	Longspurs, Snow Buntings	Calcariidae	2	2	100	
80	New World Sparrows	Passerellidae	7	1	14	
81	Cardinals & Allies	Cardinalidae	4	0	0	
82	Barn Owls	Tytonidae	1	1	100