BBS

Totals of individuals counted in South East England

These figures are totals of the maximum counts recorded from each square in a given year. The maximum count is calculated for each species separately and is based on all birds seen and heard, including those in flight. These figures provide a useful indication of the relative abundance of different species although they do not take account of differences in detectability between species. They do not provide measure of absolute abundance because BBS surveys do not detect all of the birds present in a particular square. For comparative purposes the data can be used to calculate the mean count per square by dividing the species totals in the table by the total number of squares surveyed. This measure has the advantage that it can be used to compare results based on different numbers of squares. Particular care should be taken in interpreting such results where only a few squares could be surveyed (less than 30-50 squares). While these figures may provide a general indication of major changes in abundance over time they do not provide a statistically robust measure of such changes because they do not take account of the BBS sampling strategy or of temporal variation in the sample of squares surveyed. BBS trend analyses are available here

Species	94	95	96	97	98	99	00	01	02	03	04	05	06	07
Total No squares surveyed	233	266	277	326	356	388	435	197	425	441	449	521	591	624
Mute Swan	109	107	146	161	139	161	139	129	192	325	203	326	260	280
Whooper Swan	.	.	.	.	.	.	.	.	1	1	.	.	1	.
Pink-footed Goose	.	.	.	.	4	.	.	.	.	.	.	.	.	.
White-fronted Goose	.	.	.	.	.	3	.	.	.	.	.	.	.	.
Greylag Goose	73	199	240	177	218	262	253	120	252	357	239	392	567	511
Feral/hybrid Goose	.	.	.	.	1	.	8	1	1	.	.	10	7	11
Snow Goose	1	.	.	.	.	.	.	.	.	.	.	.	.	.
Canada Goose	216	307	339	387	381	480	657	216	605	765	827	844	940	830
Barnacle Goose	.	.	1	2	1	2	1	.	.	1	5	2	2	3
Brent Goose	.	.	56	.	15	.	2	.	3	.	.	.	6	7
Egyptian Goose	.	.	.	.	.	1	.	5	.	9	8	41	52	16
Ruddy Shelduck	.	.	.	.	.	.	.	.	.	.	.	.	2	.
Shelduck	148	98	93	171	129	121	113	34	134	99	97	119	141	204
Mandarin	7	3	.	1	9	20	23	7	28	34	44	30	64	42
Wigeon	.	.	2	.	.	.	2	1	10	2	12	15	3	5
Gadwall	4	26	13	9	21	26	53	33	27	29	56	61	38	51
Teal	.	10	3	13	16	16	5	1	17	37	20	23	33	11
Mallard	464	717	712	822	927	1122	1390	571	1279	1393	1284	1785	1850	1901
Feral/hybrid mallard type	.	.	.	2	.	.	.	.	6	7	23	31	8	36
Pintail	.	.	.	.	.	.	.	.	.	.	.	.	.	2
Garganey	.	.	.	.	.	.	.	.	.	.	.	1	.	.
Shoveler	13	7	5	4	9	13	14	2	13	11	9	20	7	13
Red-crested Pochard	.	.	.	.	.	.	.	.	1	.	.	.	.	.
Pochard	26	11	11	13	21	21	29	2	15	22	23	27	22	35
Tufted Duck	47	70	46	50	65	102	126	68	167	145	191	213	191	180
Scaup	.	.	.	.	1	.	.	.	.	.	.	.	.	.
Eider	.	.	.	7	.	.	.	.	.	.	.	.	.	.
Long-tailed Duck	.	.	1	.	.	.	.	.	.	.	.	.	.	.
Goldeneye	1	3	.	.	.	.	.	1	1	.	.	.	.	.
Red-breasted Merganser	.	.	.	.	.	.	.	.	.	.	8	.	2	.
Goosander	.	5	4	2	.	4	.	.	4	8	1	1	2	5
Ruddy Duck	4	7	6	.	.	.	.	.	4	5	5	20	7	4
Red Grouse	.	.	.	.	.	.	1	.	.	.	.	.	.	.
Capercaillie	.	.	.	.	.	.	.	.	.	.	.	.	2	.
Red-legged Partridge	75	97	154	199	218	193	275	83	295	327	468	523	468	522
Grey Partridge	67	70	61	91	62	57	98	16	98	78	85	108	73	73
Quail	.	4	5	8	8	2	.	.	2	4	2	6	8	2
Pheasant	821	993	1050	1228	1469	1551	1783	424	1779	2121	2187	2595	2795	3180
Golden Pheasant	.	.	1	.	1	.	.	.	.	.	1	.	.	.
Red-throated Diver	.	.	.	.	4	.	1	.	.	.	.	.	.	.
Little Grebe	12	26	18	20	16	18	34	21	42	40	47	51	43	34
Great Crested Grebe	12	9	25	17	12	16	32	31	27	44	63	64	63	47
Black-necked Grebe	.	.	.	1	.	.	.	.	.	.	.	.	.	.
Fulmar	35	16	.	24	12	4	34	.	14	6	13	8	21	11
Gannet	2	10	.	4	1	8	.	.	.	3	11	3	4	2
Cormorant	21	39	24	38	32	41	70	40	77	73	116	126	156	147
Shag	1	.	.	.	.	.	.	.	.	.	.	.	.	.
Little Egret	.	.	.	.	.	.	1	5	19	17	37	37	45	46
Grey Heron	99	144	119	137	152	218	210	104	227	202	195	260	257	275
Glossy Ibis	.	.	.	.	.	.	.	.	.	.	1	.	.	.
Honey Buzzard	.	.	.	.	.	.	1	.	.	.	.	.	.	.
Red Kite	1	2	7	3	6	11	17	11	33	61	68	129	117	164
Marsh Harrier	2	3	5	2	6	4	3	.	4	3	3	5	4	4
Hen Harrier	.	.	.	.	.	2	1	.	.	.	.	2	.	.
Montagus Harrier	.	.	1	.	1	.	1	.	.	.	1	.	1	.
Goshawk	1	.	.	.	.	1	1	.	1	.	1	.	.	.
Sparrowhawk	40	39	39	61	69	62	69	31	70	83	75	100	96	96
Buzzard	15	19	15	37	51	63	77	34	128	146	191	244	280	313
Osprey	1	.	.	1	.	.	.	.	1	.	.	.	.	.
Kestrel	104	103	90	116	151	129	157	67	147	187	132	214	211	204
Merlin	.	.	.	.	.	.	.	.	.	.	1	.	.	.
Hobby	7	9	10	12	11	13	16	15	12	16	17	19	15	15
Peregrine	1	1	1	2	2	6	3	1	4	3	6	3	1	8
Water Rail	1	.	1	.	1	1	.	.	4	1	2	4	3	.
Corncrake	.	1	.	.	.	1	.	.	.	.	.	.	.	.
Moorhen	194	244	194	204	235	324	350	133	368	357	374	433	440	444
Coot	109	144	153	159	155	224	200	190	232	266	318	403	384	343
Oystercatcher	23	42	55	65	50	59	54	7	36	30	40	37	124	65
Avocet	2	4	6	12	14	22	7	20	51	78	81	74	21	.
Stone-curlew	.	.	.	.	.	.	.	.	3	.	.	.	.	1
Little Ringed Plover	.	2	.	.	4	.	2	2	.	8	1	2	.	1
Ringed Plover	12	20	10	21	21	26	9	8	7	21	3	17	11	12
Golden Plover	.	.	.	.	2	.	26	.	50	74	1	.	1	28
Grey Plover	.	2	.	1	.	1	4	.	.	.	.	.	1	.
Lapwing	401	564	433	499	479	579	853	184	695	757	953	757	637	595
Dunlin	.	9	1	.	2	1	20	7	5	6	.	6	.	.
Ruff	.	8	.	.	.	.	.	.	.	.	.	.	.	.
Snipe	2	30	17	11	5	14	4	.	6	12	5	11	8	2
Woodcock	.	2	.	.	1	1	.	.	3	3	2	2	1	6
Black-tailed Godwit	3	.	.	.	.	.	3	.	18	.	15	10	41	1
Bar-tailed Godwit	.	22	2	.	1	.	.	.	.	1	.	.	.	35
Whimbrel	41	12	9	15	25	5	3	1	11	.	5	1	25	14
Curlew	18	16	14	35	80	45	143	12	56	68	96	29	47	51
Spotted Redshank	.	.	.	.	.	1	.	.	.	.	.	.	.	.
Redshank	56	67	83	90	75	123	115	23	75	57	55	56	72	80
Greenshank	.	.	1	4	.	4	5	10	1	1	.	3	.	10
Green Sandpiper	.	.	1	.	1	.	1	.	5	2	2	4	.	3
Common Sandpiper	3	3	4	6	1	1	6	1	7	6	.	3	5	2
Turnstone	.	.	.	1	.	.	68	.	.	.	.	1	.	98
Mediterranean Gull	.	.	.	.	1	3	4	.	9	7	3	4	19	18
Black-headed Gull	392	434	509	541	975	645	675	449	922	702	632	1405	1202	1722
Common Gull	40	7	6	8	168	22	22	9	3	85	1	53	94	155
Lesser Black-backed Gull	37	38	51	60	114	83	75	36	141	115	194	214	244	235
Herring Gull	116	333	337	518	868	869	1136	652	875	843	1277	1578	1970	2357
Yellow-legged Gull	1	.	.	.	.	.	.	.	.	.	.	.	.	.
Great Black-backed Gull	1	.	4	7	.	4	6	2	7	8	11	14	44	46
Kittiwake	.	.	.	.	.	2	.	.	.	.	.	.	.	.
Sandwich Tern	1	13	.	7	8	2	2	1	4	6	3	12	24	20
Common Tern	9	16	3	12	19	22	28	19	37	40	37	49	64	51
Little Tern	.	3	2	.	4	16	.	.	4	.	6	2	.	3
Black Tern	.	.	1	.	.	.	.	.	.	.	.	.	.	.
Guillemot	.	.	.	.	3	.	.	.	.	.	.	.	.	.
Rock Dove	.	.	.	.	.	.	.	.	.	.	.	.	6	.
Feral Pigeon	612	981	842	1340	1597	1577	1402	1051	1136	1319	1695	1773	1918	2136
Stock Dove	350	368	295	405	432	683	525	261	607	603	596	590	628	652
Woodpigeon	6373	6123	6924	9266	9360	11226	12210	5122	11474	13514	13819	15998	20489	20405
Collared Dove	669	882	886	1142	1301	1583	1675	841	1519	1690	1898	2006	2342	2292
Turtle Dove	105	134	151	145	190	141	148	54	129	109	123	126	103	111
Ring-necked Parakeet	30	6	16	55	12	33	85	111	84	125	121	177	225	256
Cuckoo	247	284	286	303	320	318	333	108	246	249	292	284	307	271
Barn Owl	2	.	.	2	3	1	.	5	5	9	8	16	16	10
Little Owl	18	20	21	33	26	32	31	11	28	31	25	30	27	45
Tawny Owl	18	14	13	19	17	19	30	7	20	25	22	31	25	37
Long-eared Owl	.	.	1	.	.	.	.	.	1	.	.	2	.	.
Short-eared Owl	.	.	.	.	1	.	.	.	.	1	.	.	1	.
Nightjar	.	1	.	.	.	.	.	.	1	1	1	5	3	3
Swift	1103	1275	805	1454	1575	1389	1733	968	1169	1197	1569	1827	1424	1608
Kingfisher	5	14	10	9	11	14	8	1	10	22	16	17	15	17
Hoopoe	.	.	.	.	.	.	.	.	1	.	1	1	.	.
Wryneck	.	.	.	.	.	.	.	.	.	.	1	.	.	.
Green Woodpecker	232	242	263	332	474	565	630	200	547	570	627	684	816	818
Great Spotted Woodpecker	184	217	276	274	358	392	505	189	489	605	651	766	953	980
Lesser Spotted Woodpecker	11	4	12	9	13	9	12	5	6	11	12	11	11	14
Woodlark	4	7	7	9	17	9	18	12	10	18	11	18	35	50
Skylark	1142	1232	1553	1553	1769	1720	1931	690	1893	1806	1930	2314	2363	2327
Sand Martin	209	15	38	117	58	109	327	183	175	51	73	69	199	67
Swallow	633	684	755	827	869	1024	1314	548	1056	1324	1341	1770	2131	1791
House Martin	690	853	746	891	804	867	1315	595	906	1118	1108	1282	1240	1222
Tree Pipit	35	17	21	25	29	31	49	26	24	26	32	30	37	34
Meadow Pipit	90	111	130	208	166	197	222	71	188	143	221	307	216	240
Rock Pipit	.	1	1	.	2	2	1	2	.	.	1	1	.	1
Yellow Wagtail	48	95	85	82	92	79	89	25	86	75	80	65	55	49
Grey Wagtail	23	18	24	26	26	28	35	20	33	36	34	42	55	71
Pied Wagtail	211	241	246	231	279	398	414	185	380	451	385	473	461	510
Waxwing	.	.	.	.	.	.	.	.	.	.	.	1	.	.
Wren	2369	2846	2017	2120	2741	3857	4005	1678	3926	4217	3474	4541	4228	5227
Dunnock	838	917	943	978	1142	1352	1493	596	1468	1636	1463	1904	2069	2181
Robin	1920	2332	2325	2324	2596	3143	3711	1501	3709	3996	3674	4139	4753	5256
Nightingale	17	23	22	29	40	39	44	5	25	13	13	34	25	35
Black Redstart	1	.	.	.	1	1	2	.	.	.	1	.	1	.
Redstart	.	3	1	6	3	2	15	16	14	11	23	24	25	24
Whinchat	6	1	6	4	2	2	.	2	7	6	1	2	2	5
Stonechat	17	12	11	14	41	36	45	32	35	50	36	46	53	50
Wheatear	11	17	17	26	9	28	37	14	39	24	37	39	71	48
Ring Ouzel	.	.	.	.	.	.	.	.	.	2	.	1	1	2
Blackbird	3242	3559	3638	4120	4641	5377	5769	2686	5900	6234	6018	7073	7550	8222
Fieldfare	.	329	148	88	108	11	13	1	101	846	134	5	67	70
Song Thrush	891	988	1018	985	1149	1351	1516	601	1557	1747	1625	1885	1964	2060
Redwing	.	4	72	.	8	.	.	.	8	76	4	1	.	3
Mistle Thrush	433	494	453	479	554	569	603	220	531	525	515	552	491	594
Cettis Warbler	2	2	3	2	3	4	6	1	9	9	8	22	26	36
Grasshopper Warbler	4	6	1	14	6	3	4	1	1	2	4	9	8	8
Sedge Warbler	64	90	104	95	106	111	151	69	178	149	172	172	160	191
Marsh Warbler	.	.	.	.	1	.	.	.	.	.	1	.	1	.
Reed Warbler	40	75	100	106	136	158	158	55	147	155	203	223	236	205
Blackcap	489	507	478	658	895	1063	1169	461	1134	1003	1199	1344	1515	1551
Garden Warbler	80	127	120	142	159	162	170	60	140	134	124	154	167	196
Lesser Whitethroat	77	61	63	53	53	48	67	21	66	69	78	75	101	126
Whitethroat	299	387	554	575	577	609	779	411	897	771	978	1070	1306	1222
Dartford Warbler	6	3	2	3	16	18	10	8	7	10	13	18	22	27
Wood Warbler	8	2	.	4	3	5	2	3	6	4	6	2	2	9
Chiffchaff	502	570	567	735	955	732	852	311	1003	1276	1454	1204	1155	1699
Willow Warbler	394	428	403	436	449	496	515	191	365	347	382	412	366	408
Goldcrest	231	269	255	253	274	396	448	207	441	583	492	592	568	729
Firecrest	2	1	.	.	1	2	3	3	3	3	1	5	6	8
Spotted Flycatcher	49	37	35	47	58	63	73	24	45	57	38	34	45	36
Pied Flycatcher	.	.	.	1	2	1	1	.	1	.	.	.	4	.
Bearded Tit	.	.	.	1	2	.	1	.	1	.	3	9	4	1
Long-tailed Tit	468	530	418	434	530	614	842	227	567	779	634	833	787	897
Marsh Tit	56	49	52	56	69	71	87	41	94	102	84	109	98	121
Willow Tit	25	22	19	22	38	25	24	10	10	13	12	14	16	14
Coal Tit	213	154	225	256	286	309	376	171	387	374	401	442	520	569
Blue Tit	2381	2695	3048	3571	3986	4166	4367	1772	4361	4870	5089	6215	7101	6840
Great Tit	1278	1494	1470	1711	1918	2230	2719	880	2406	2611	2737	3472	4088	4274
Nuthatch	159	186	191	250	234	262	278	132	334	384	342	443	477	511
Treecreeper	85	76	86	101	102	129	105	39	111	125	98	149	164	159
Jay	268	249	248	303	284	314	348	156	410	413	440	471	559	586
Magpie	938	1181	1062	1275	1468	1680	1960	876	1674	1755	1656	2009	2385	2499
Jackdaw	1607	2162	1922	2496	3036	3106	3699	1421	3180	3530	3714	4658	4952	5652
Rook	3582	3890	3762	4544	4774	3831	5021	1559	5023	5575	6369	7233	10477	8510
Carrion Crow	2183	2311	2123	3191	3683	4561	4709	1829	3774	4081	4543	4891	6305	6690
Hooded Crow	.	.	.	.	.	1	.	.	.	.	.	.	.	.
Raven	.	.	.	.	1	.	1	.	1	1	6	.	13	9
Starling	6540	7450	6450	8328	7525	8000	8420	3935	6793	6053	5577	7470	7778	8986
House Sparrow	2872	3359	3523	3956	3869	4171	4042	1861	3530	3782	3983	5025	4948	4678
Tree Sparrow	56	45	55	17	16	20	19	.	14	15	14	17	20	12
Chaffinch	2563	2940	3144	3730	4021	4471	5284	1950	5030	5597	5629	6444	7221	7480
Brambling	3	.	.	2	2	3	8	.	1	9	2	.	23	29
Serin	.	.	.	.	.	.	.	.	.	.	.	.	.	1
Greenfinch	1236	1393	1406	1804	1897	2161	2318	1004	2266	2365	2535	2910	3297	3005
Goldfinch	612	639	753	816	719	799	976	386	934	1069	1163	1313	1339	1387
Siskin	3	4	1	8	146	2	46	7	10	7	3	14	68	34
Linnet	795	1211	1198	1301	1060	1120	1117	479	1221	1565	1242	1281	1099	1099
Twite	.	.	.	.	1	.	.	.	.	.	.	.	8	.
Lesser Redpoll	50	24	25	20	30	15	339	3	44	17	38	40	65	6
Crossbill	45	.	.	27	50	.	42	2	32	212	24	10	55	9
Bullfinch	184	156	227	238	213	185	233	83	196	223	248	293	243	253
Hawfinch	.	3	.	.	.	.	2	.	.	1	.	.	1	1
Yellowhammer	609	632	702	722	761	796	984	303	838	839	896	1160	1152	1057
Reed Bunting	85	94	103	111	77	118	118	64	146	176	171	225	205	212
Corn Bunting	71	83	78	96	101	79	61	42	94	110	72	75	94	97
Black Swan	.	.	.	.	3	2	4	1	3	2	10	3	3	2
Swan Goose	.	.	.	.	.	.	.	.	.	.	.	.	.	1
Bar-headed Goose	.	.	.	.	.	.	1	.	.	.	1	.	.	1
Australian Shelduck	.	.	2	.	.	.	.	.	.	.	.	.	.	.
Muscovy Duck	.	.	.	1	.	2	.	.	6	.	.	.	.	.
Carolina Wood Duck	.	.	1	.	.	.	.	.	.	.	2	.	.	.
Reeves Pheasant	.	.	.	.	.	.	.	.	2	.	1	.	.	.
Peafowl	2	1	2	2	.	3	4	.	.	1	2	17	24	30
Helmeted Guineafowl	.	.	3	.	3	.	.	.	.	4	3	.	7	3
Alexandrine Parakeet	.	.	1	.	.	1	.	.	.	.	.	.	.	.
Other cage bird species	.	.	.	.	.	.	.	.	1	.	.	.	.	.
Total number of Species	133	138	140	138	154	149	151	129	158	151	161	155	160	159

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