Totals De Vulkaan (Den Haag) 2021

Year
Period
count-field
Also present

	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Dark-bellied Brent Goose	33	88	532	593	694	0	0	0	371	3514	315	21	6161	4317	1844	2733 (6 Oct)	26	89	8 Jan	31 Dec
2.	Canada Goose	36	102	197	71	26	212	25	148	93	49	125	37	1121	520	601	72 (24 Aug)	30	101	14 Jan	29 Dec
3.	Barnacle Goose	252	1548	1039	1552	1820	47	23	0	1	116	34	1321	7753	1493	6260	1300 (1 May)	24	81	5 Jan	31 Dec
4.	Branta leucopsis x ?	0	0	0	0	1	0	0	0	0	0	0	0	1	1	0	1 (13 May)	0	1	13 May	13 May
5.	Greylag Goose	408	393	611	228	227	45	67	65	100	501	184	228	3057	1630	1427	197 (8 Oct)	53	179	1 Jan	31 Dec
6.	goose sp.	5321	14282	163	365	20	0	7	18	88	2728	795	6101	29888	8009	21879	3895 (18 Feb)	24	81	2 Jan	31 Dec
7.	Domestic Goose	0	0	0	1	0	0	1	0	0	0	0	0	2	1	1	1 (27 Apr)	1	2	27 Apr	20 Jul
8.	Pink-footed Goose	171	3547	0	0	0	0	0	0	0	1147	82	184	5131	1409	3722	2889 (4 Feb)	7	23	1 Jan	21 Dec
9.	Tundra Bean Goose	35	293	16	0	0	0	0	0	0	6	29	20	399	74	325	248 (21 Feb)	4	12	2 Jan	21 Dec
10.	Bean Goose sp.	0	0	0	0	0	0	0	0	0	1	0	0	1	1	0	1 (28 Oct)	0	1	28 Oct	28 Oct
11.	Eurasian White-fronted Goose	1298	1418	185	14	0	0	0	0	2	287	123	779	4106	989	3117	835 (14 Jan)	17	58	3 Jan	31 Dec
12.	Mute Swan	3	13	18	14	111	4	4	8	7	21	15	5	223	130	93	56 (13 May)	19	65	3 Jan	21 Dec
13.	Bewick's Swan	1	3	0	0	0	0	0	0	0	2	0	5	11	5	6	5 (25 Dec)	1	4	3 Jan	25 Dec
14.	Whooper Swan	0	34	0	0	0	0	0	0	0	0	2	0	36	0	36	32 (20 Feb)	1	3	18 Feb	22 Nov
15.	swan sp.	0	1	0	0	0	0	0	0	0	0	0	3	4	3	1	3 (26 Dec)	1	2	21 Feb	26 Dec
16.	Egyptian Goose	73	167	152	154	65	25	10	12	68	87	85	193	1091	480	611	86 (8 Feb)	36	123	2 Jan	31 Dec
17.	Shelduck	50	212	112	132	88	334	3737	113	79	34	60	64	5015	576	4439	987 (2 Jul)	46	156	8 Jan	31 Dec
18.	Ruddy Shelduck	0	0	0	0	0	0	1	0	0	0	0	0	1	1	0	1 (24 Jul)	0	1	24 Jul	24 Jul
19.	Garganey	0	0	8	0	0	0	0	0	0	0	0	0	8	0	8	8 (19 Mar)	0	1	19 Mar	19 Mar
20.	Shoveler	11	17	165	112	2	1	3	15	3	20	1	12	362	90	272	78 (2 Mar)	12	41	9 Jan	28 Dec
21.	Gadwall	4	161	14	12	23	15	17	4	28	113	5	12	408	317	91	110 (8 Feb)	19	64	2 Jan	31 Dec
22.	Wigeon	3839	4685	435	110	1	0	0	1	155	310	257	3022	12815	10135	2680	3566 (8 Feb)	38	128	1 Jan	31 Dec
23.	Mallard	17	49	21	19	18	5	7	5	18	10	7	37	213	119	94	19 (8 Feb)	19	63	1 Jan	26 Dec
24.	Pintail	7	456	66	6	0	0	0	7	74	159	242	5	1022	956	66	449 (8 Feb)	12	42	21 Jan	30 Dec
25.	Teal	72	182	69	331	3	1	22	73	147	90	8	130	1128	668	460	237 (5 Apr)	26	89	1 Jan	31 Dec
26.	duck sp.	34	36	8	22	0	0	12	1	16	65	161	85	440	314	126	150 (5 Nov)	11	36	5 Jan	31 Dec
27.	Red-crested Pochard	0	0	0	0	0	0	0	0	0	2	0	0	2	2	0	2 (8 Oct)	0	1	8 Oct	8 Oct
28.	Pochard	0	5	0	2	0	0	3	0	0	37	1	0	48	34	14	37 (8 Oct)	1	5	13 Feb	7 Nov
29.	Tufted Duck	0	12	0	5	7	4	2	0	19	26	18	7	100	66	34	12 (8 Oct)	8	28	10 Feb	26 Dec
30.	Scaup	3	1	3	0	0	0	0	0	2	2	0	0	11	11	0	3 (10 Jan)	1	5	10 Jan	4 Oct
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
31.	Eider	35	28	170	185	31	23	14	4	114	26	231	59	920	488	432	43 (13 Apr)	37	127	1 Jan	31 Dec
32.	Velvet Scoter	112	14	41	2	0	0	0	1	0	2	10	10	192	166	26	41 (22 Jan)	10	34	5 Jan	29 Dec
33.	Common Scoter	2931	501	874	2126	282	21	82	153	269	317	808	827	9191	5043	4148	591 (2 Jan)	68	230	1 Jan	31 Dec
34.	Long-tailed Duck	0	0	0	1	0	0	0	0	0	0	0	0	1	0	1	1 (19 Apr)	0	1	19 Apr	19 Apr
35.	Goldeneye	0	4	0	0	0	8	0	0	0	0	3	0	15	15	0	8 (14 Jun)	2	6	8 Feb	17 Nov
36.	Smew	0	15	0	0	0	0	0	0	0	0	0	0	15	15	0	9 (12 Feb)	1	3	8 Feb	14 Feb
37.	Goosander	0	31	3	1	0	0	0	0	0	0	2	7	44	34	10	23 (7 Feb)	4	14	7 Feb	25 Dec
38.	Red-breasted Merganser	23	31	94	75	11	2	1	1	97	406	50	15	806	704	102	124 (6 Oct)	35	119	5 Jan	31 Dec
39.	Swift	0	0	0	249	3883	8661	7671	2034	30	0	0	0	22528	5535	16993	3318 (21 Jun)	30	102	24 Apr	12 Sep
40.	Cuckoo	0	0	0	0	1	1	0	0	0	0	0	0	2	2	0	1 (13 May)	1	2	13 May	2 Jun
41.	Stock Dove	3	161	30	22	10	13	14	5	115	684	40	27	1124	918	206	398 (5 Oct)	34	114	1 Jan	31 Dec
42.	Woodpigeon	239	914	3326	655	438	201	66	41	134	7662	1352	585	15613	10844	4769	2673 (23 Oct)	77	262	1 Jan	31 Dec
43.	Turtle Dove	0	0	0	0	1	2	1	0	0	0	0	0	4	3	1	1 (9 May)	1	4	9 May	12 Jul
44.	Collared Dove	1	2	20	22	23	8	7	2	20	10	8	13	136	93	43	9 (31 Mar)	18	60	23 Jan	31 Dec
45.	Crane	0	0	0	1	6	0	0	0	0	0	0	0	7	6	1	6 (7 May)	1	2	13 Apr	7 May
46.	Red-necked Grebe	1	1	0	0	0	0	0	0	0	0	2	1	5	4	1	1 (9 Jan)	1	5	9 Jan	10 Dec
47.	Great Crested Grebe	206	639	79	32	13	6	11	14	43	119	150	1077	2389	1797	592	534 (10 Dec)	53	179	1 Jan	31 Dec
48.	Black-necked Grebe	0	1	0	0	0	0	0	1	0	0	0	0	2	2	0	1 (8 Feb)	1	2	8 Feb	6 Aug
49.	grebe sp.	0	0	0	0	0	0	0	0	0	0	1	0	1	0	1	1 (23 Nov)	0	1	23 Nov	23 Nov
50.	Oystercatcher	13	105	48	209	554	224	495	364	33	33	19	18	2115	1456	659	132 (8 Jul)	53	181	1 Jan	27 Dec
51.	Avocet	0	0	11	11	0	0	0	4	0	0	0	0	26	6	20	9 (10 Mar)	2	6	10 Mar	13 Aug
52.	Grey Plover	0	0	3	91	22	3	12	126	8	6	1	6	278	162	116	43 (7 Aug)	14	47	19 Mar	26 Dec
53.	Golden Plover	0	47	1	0	0	0	2	16	66	1	1	0	134	124	10	44 (7 Feb)	6	19	7 Feb	27 Nov
54.	Ringed Plover	0	0	3	40	12	3	1	61	123	8	0	0	251	189	62	30 (28 Apr)	12	39	19 Mar	13 Oct
55.	Little Ringed Plover	0	0	2	7	0	0	2	1	0	0	0	0	12	3	9	2 (13 Apr)	3	10	21 Mar	4 Aug
56.	Lapwing	0	2734	7	2	3	0	8	1	0	3	28	82	2868	2760	108	2168 (7 Feb)	7	23	7 Feb	20 Dec
57.	Whimbrel	0	0	3	834	48	3	270	342	16	0	0	0	1516	625	891	533 (28 Apr)	19	64	29 Mar	12 Sep
58.	Curlew	4	178	95	38	5	33	151	77	55	21	4	18	679	520	159	61 (3 Jul)	35	120	7 Jan	29 Dec
59.	Bar-tailed Godwit	0	0	3	304	5	0	34	126	34	2	0	0	508	199	309	74 (10 Aug)	12	42	22 Mar	2 Oct
60.	Black-tailed Godwit	0	20	12	0	0	0	1	4	0	0	0	0	37	25	12	20 (7 Feb)	1	5	7 Feb	16 Aug
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
61.	Jack Snipe	0	3	0	0	0	0	0	0	0	0	0	0	3	3	0	3 (7 Feb)	0	1	7 Feb	7 Feb
62.	Woodcock	2	63	1	0	0	0	0	0	0	0	3	4	73	57	16	19 (7 Feb)	6	19	5 Jan	26 Dec
63.	Snipe	0	334	10	2	0	0	7	1	51	20	2	18	445	388	57	289 (7 Feb)	11	36	7 Feb	18 Dec
64.	Grey Phalarope	0	0	0	0	0	0	0	0	0	0	1	0	1	1	0	1 (4 Nov)	0	1	4 Nov	4 Nov
65.	Common Sandpiper	0	0	0	0	2	0	10	14	1	0	0	0	27	25	2	5 (10 Aug)	4	14	8 May	13 Sep
66.	Green Sandpiper	0	9	7	10	2	7	10	15	6	0	0	0	66	42	24	11 (4 Aug)	10	35	8 Feb	18 Sep
67.	Wood Sandpiper	0	0	0	0	1	0	0	0	0	0	0	0	1	0	1	1 (9 May)	0	1	9 May	9 May
68.	Redshank	0	4	1	30	7	1	159	24	5	0	2	0	233	191	42	150 (8 Jul)	9	31	8 Feb	7 Nov
69.	Spotted Redshank	0	0	0	1	0	0	0	0	1	1	0	0	3	2	1	1 (20 Apr)	1	3	20 Apr	8 Oct
70.	Greenshank	0	0	0	23	1	0	0	3	1	0	0	0	28	4	24	14 (28 Apr)	2	8	20 Apr	19 Sep
71.	Turnstone	1	1	0	0	0	1	5	104	8	7	5	3	135	132	3	45 (16 Aug)	8	28	17 Jan	27 Dec
72.	Knot	0	2	45	60	1	0	0	10	48	51	19	1	237	131	106	50 (9 Oct)	7	25	8 Feb	5 Dec
73.	Ruff	0	1	2	0	0	0	0	0	0	0	0	0	3	1	2	2 (31 Mar)	1	2	18 Feb	31 Mar
74.	wader sp.	0	8	11	146	15	0	0	42	47	4	13	1	287	114	173	67 (28 Apr)	11	36	8 Feb	25 Dec
75.	small wader	0	0	0	0	13	0	0	0	0	0	0	0	13	0	13	13 (1 May)	0	1	1 May	1 May
76.	Curlew Sandpiper	0	0	0	0	0	0	1	0	0	0	0	0	1	1	0	1 (31 Jul)	0	1	31 Jul	31 Jul
77.	Sanderling	5	13	38	71	11	0	24	63	48	42	10	31	356	215	141	29 (28 Apr)	17	57	2 Jan	26 Dec
78.	Dunlin	0	14	342	19	2	3	2	141	134	246	155	30	1088	684	404	129 (23 Mar)	24	83	3 Feb	27 Dec
79.	Purple Sandpiper	0	0	1	0	0	0	0	0	0	0	0	0	1	0	1	1 (21 Mar)	0	1	21 Mar	21 Mar
80.	Little Stint	0	0	0	0	0	0	2	0	0	0	0	0	2	0	2	2 (19 Jul)	0	1	19 Jul	19 Jul
81.	Calidris sp.	0	0	0	1	0	0	1	4	0	12	0	0	18	12	6	12 (23 Oct)	1	5	18 Apr	23 Oct
82.	Little Tern	0	0	0	108	3	4	22	79	0	0	0	0	216	95	121	55 (23 Apr)	8	28	18 Apr	31 Aug
83.	Caspian Tern	0	0	0	1	0	1	0	0	0	5	0	0	7	5	2	2 (5 Oct)	2	6	11 Apr	29 Oct
84.	Black Tern	0	0	0	43	1	2	7	3121	8	0	0	0	3182	3132	50	2890 (16 Aug)	7	24	14 Apr	19 Sep
85.	marsh tern sp.	0	0	0	0	0	0	0	1	0	0	0	0	1	0	1	1 (28 Aug)	0	1	28 Aug	28 Aug
86.	Arctic Tern	0	0	0	3	8	2	1	5	1	1	1	0	22	19	3	8 (4 May)	3	10	18 Apr	7 Nov
87.	Common/Arctic Tern	0	0	0	1304	785	36	4498	32846	4924	226	0	0	44619	39837	4782	10786 (16 Aug)	30	103	12 Apr	22 Oct
88.	Common Tern	0	0	14	2166	1195	1126	2885	1274	722	45	1	0	9428	5221	4207	553 (13 Sep)	37	126	27 Mar	10 Nov
89.	Roseate Tern	0	0	0	0	1	0	0	0	0	0	0	0	1	1	0	1 (4 May)	0	1	4 May	4 May
90.	Sandwich Tern	0	0	137	1791	937	1860	2698	11010	13002	1672	6	0	33113	26410	6703	1897 (22 Aug)	55	188	17 Mar	12 Nov
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
91.	Little Gull	7	0	118	17902	2183	0	0	5	31	500	929	30	21705	6688	15017	4411 (7 Apr)	28	94	1 Jan	29 Dec
92.	Kittiwake	4709	52	4	380	1	0	0	7	1	329	3254	2099	10836	10019	817	1541 (24 Dec)	33	113	1 Jan	31 Dec
93.	Sabine's Gull	0	0	0	0	0	0	0	3	1	0	1	0	5	5	0	3 (16 Aug)	1	3	16 Aug	7 Nov
94.	Black-headed Gull	2958	3208	5120	1232	855	1568	22812	50798	3802	9687	6409	4539	112988	96527	16461	22197 (7 Aug)	95	322	1 Jan	31 Dec
95.	Mediterranean Gull	0	0	7	47	9	23	222	233	12	8	4	0	565	480	85	67 (31 Jul)	24	82	10 Mar	20 Nov
96.	Common Gull	4398	4122	1842	2897	285	69	1100	2216	888	2046	5935	2415	28213	18588	9625	1380 (12 Feb)	91	308	1 Jan	31 Dec
97.	Caspian Gull	0	2	1	1	0	0	1	0	0	0	0	1	6	3	3	2 (18 Feb)	1	5	18 Feb	4 Dec
98.	Herring Gull	2081	1259	5496	5423	1961	249	1835	5350	1502	6104	7023	2741	41024	30870	10154	1499 (22 Oct)	93	314	1 Jan	31 Dec
99.	Yellow-legged Gull	1	2	1	0	0	0	0	2	0	0	0	0	6	4	2	1 (20 Jan)	2	6	20 Jan	27 Aug
100.	Great Black-backed Gull	424	196	312	314	149	12	25	78	151	405	700	511	3277	2351	926	142 (7 Nov)	78	265	1 Jan	31 Dec
101.	Glaucous Gull	0	0	0	2	0	0	0	0	0	0	1	0	3	1	2	1 (5 Apr)	1	3	5 Apr	30 Nov
102.	Lesser Black-backed Gull	31	444	5196	7773	3922	1477	9658	27275	6810	6001	1161	59	69807	55497	14310	8285 (16 Aug)	90	304	2 Jan	31 Dec
103.	Laridae sp.	0	0	7	1	3	0	5620	0	0	0	0	0	5631	5622	9	3500 (30 Jul)	2	6	6 Mar	31 Jul
104.	Long-tailed Skua	0	0	0	0	0	0	0	1	1	2	0	0	4	3	1	2 (6 Oct)	1	3	26 Aug	6 Oct
105.	skua sp.	0	0	0	0	0	0	0	2	6	5	1	0	14	12	2	3 (29 Sep)	2	8	26 Aug	26 Nov
106.	Arctic Skua	0	0	0	2	2	0	1	28	162	66	5	0	266	237	29	23 (12 Sep)	17	58	7 Apr	7 Nov
107.	S. parasiticus / pomarinus	0	0	0	0	0	0	0	0	0	2	4	0	6	5	1	2 (29 Oct)	1	3	29 Oct	7 Nov
108.	Pomarine Skua	0	0	0	0	0	0	0	1	0	3	0	0	4	4	0	2 (6 Oct)	1	3	16 Aug	6 Oct
109.	Great Skua	6	0	0	1	0	0	0	8	4	1	4	1	25	22	3	5 (16 Aug)	4	15	8 Jan	24 Dec
110.	Razorbill	89	4	1	0	0	0	0	0	10	4	61	23	192	174	18	62 (18 Jan)	13	44	2 Jan	28 Dec
111.	Razorbill/Guillemot	10417	554	52	3	0	0	0	4	380	2536	8456	7585	29987	26000	3987	2572 (18 Jan)	49	166	1 Jan	31 Dec
112.	Little Auk	0	0	0	0	0	0	0	0	0	0	3	0	3	3	0	1 (15 Nov)	1	3	15 Nov	30 Nov
113.	Guillemot	183	4	12	0	0	0	0	0	51	25	59	45	379	338	41	128 (18 Jan)	19	64	2 Jan	31 Dec
114.	Red-throated Diver	4756	795	337	56	1	1	0	2	225	490	5750	10674	23087	20885	2202	2490 (10 Dec)	59	199	1 Jan	31 Dec
115.	Black-throated Diver	6	4	1	1	0	0	0	0	2	0	4	2	20	14	6	2 (1 Jan)	5	17	1 Jan	13 Dec
116.	Great Northern Diver	0	0	0	0	0	0	0	0	0	0	2	1	3	3	0	1 (4 Nov)	1	3	4 Nov	11 Dec
117.	diver sp.	4	14	3	2	0	0	0	0	3	5	5	10	46	30	16	10 (1 Dec)	4	14	13 Jan	1 Dec
118.	Leach's Petrel	0	0	0	0	0	0	0	0	12	3	3	0	18	18	0	10 (29 Sep)	2	6	23 Sep	7 Nov
119.	Fulmar	0	0	0	13	0	0	0	0	0	0	0	0	13	11	2	12 (7 Apr)	1	2	7 Apr	13 Apr
120.	Sooty Shearwater	0	0	0	0	0	0	0	0	3	2	1	1	7	7	0	2 (23 Sep)	1	5	23 Sep	1 Dec
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
121.	Manx Shearwater	0	0	0	0	0	0	0	0	1	0	0	0	1	1	0	1 (29 Sep)	0	1	29 Sep	29 Sep
122.	Black Stork	0	0	0	0	0	0	0	0	7	0	0	0	7	7	0	7 (5 Sep)	0	1	5 Sep	5 Sep
123.	White Stork	0	1	1	3	4	0	0	0	0	0	0	0	9	1	8	2 (12 May)	2	8	20 Feb	29 May
124.	Gannet	6817	116	153	132	78	3	17	47	287	181	1435	1836	11102	7554	3548	1095 (8 Jan)	63	215	1 Jan	31 Dec
125.	Cormorant	1423	1861	3785	4150	1510	1707	4323	6484	5747	5852	2326	1335	40503	25407	15096	1137 (5 Oct)	98	331	1 Jan	31 Dec
126.	Shag	0	0	0	0	1	0	0	0	0	0	0	0	1	1	0	1 (13 May)	0	1	13 May	13 May
127.	Spoonbill	0	1	33	261	66	24	0	0	998	1408	0	0	2791	2406	385	612 (2 Oct)	19	65	15 Feb	23 Oct
128.	Little Egret	0	1	0	0	0	0	4	1	0	0	0	0	6	2	4	3 (19 Jul)	1	4	11 Feb	21 Aug
129.	Cattle Egret	0	0	0	1	4	0	0	0	0	0	0	0	5	0	5	4 (13 May)	1	2	15 Apr	13 May
130.	Great White Egret	0	83	3	3	3	3	4	6	37	115	11	2	270	236	34	61 (13 Feb)	15	50	12 Feb	26 Dec
131.	Grey Heron	6	65	65	89	35	48	60	34	93	77	14	20	606	362	244	34 (13 Feb)	51	174	2 Jan	29 Dec
132.	Purple Heron	0	0	0	2	2	0	0	5	6	0	0	0	15	1	14	5 (21 Aug)	3	10	16 Apr	26 Sep
133.	Osprey	0	0	0	0	5	0	0	0	5	1	0	0	11	6	5	2 (9 May)	3	9	8 May	5 Oct
134.	Honey Buzzard	0	0	0	0	2	1	0	1	5	0	0	0	9	5	4	3 (18 Sep)	2	7	28 May	18 Sep
135.	Sparrowhawk	0	9	10	14	4	0	3	9	45	434	95	4	627	582	45	107 (29 Oct)	27	93	8 Feb	7 Dec
136.	Goshawk	0	0	0	1	1	0	0	0	1	2	0	0	5	3	2	1 (20 Apr)	1	5	20 Apr	24 Oct
137.	Marsh Harrier	0	0	6	27	19	1	1	12	23	7	0	0	96	45	51	8 (21 Aug)	13	43	24 Mar	29 Oct
138.	Hen Harrier	0	2	0	0	0	0	0	0	0	18	6	1	27	25	2	8 (29 Oct)	4	13	10 Feb	17 Dec
139.	Red Kite	0	1	0	0	0	0	0	0	0	0	1	0	2	2	0	1 (10 Feb)	1	2	10 Feb	12 Nov
140.	Black Kite	0	0	0	0	2	0	0	0	0	0	0	0	2	2	0	1 (9 May)	1	2	9 May	14 May
141.	White-tailed Eagle	0	1	0	0	0	0	0	0	0	0	0	0	1	1	0	1 (14 Feb)	0	1	14 Feb	14 Feb
142.	Common Buzzard	0	4	12	6	5	0	0	22	48	133	12	2	244	207	37	45 (31 Oct)	16	55	19 Feb	21 Dec
143.	buzzard sp.	0	0	0	1	0	0	0	0	0	0	0	0	1	0	1	1 (10 Apr)	0	1	10 Apr	10 Apr
144.	raptor sp.	0	0	0	0	2	0	0	0	0	0	0	0	2	0	2	1 (15 May)	1	2	15 May	30 May
145.	Short-eared Owl	0	0	0	3	1	0	0	0	1	1	1	0	7	4	3	1 (18 Apr)	2	7	18 Apr	2 Nov
146.	Kingfisher	0	0	0	0	0	0	0	0	0	0	1	0	1	0	1	1 (20 Nov)	0	1	20 Nov	20 Nov
147.	Lesser Spotted Woodpecker	0	0	0	1	0	0	1	0	1	0	0	0	3	1	2	1 (20 Apr)	1	3	20 Apr	18 Sep
148.	Great Spotted Woodpecker	0	1	21	15	8	11	73	46	112	45	11	3	346	203	143	24 (3 Jul)	30	101	9 Feb	20 Dec
149.	Green Woodpecker	0	0	0	0	0	0	2	0	0	1	0	0	3	1	2	2 (21 Jul)	1	2	21 Jul	16 Oct
150.	Kestrel	0	0	5	4	3	2	0	6	51	15	1	0	87	68	19	29 (14 Sep)	12	42	23 Mar	12 Nov
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
151.	falcon sp.	0	0	0	0	1	0	0	0	0	0	0	0	1	0	1	1 (13 May)	0	1	13 May	13 May
152.	Merlin	0	0	2	5	1	0	0	0	4	5	2	1	20	13	7	2 (13 Apr)	5	18	20 Mar	8 Dec
153.	Hobby	0	0	0	0	2	1	2	1	5	3	0	0	14	7	7	1 (9 May)	4	14	9 May	9 Oct
154.	Peregrine	0	1	2	0	1	0	0	0	8	9	4	1	26	23	3	3 (18 Sep)	6	21	23 Feb	21 Dec
155.	Rose-ringed Parakeet	0	0	0	0	0	0	2	0	0	0	8	0	10	10	0	8 (11 Nov)	1	2	21 Jul	11 Nov
156.	Golden Oriole	0	0	0	0	6	3	0	0	0	0	0	0	9	5	4	4 (30 May)	2	6	8 May	8 Jun
157.	Jay	0	0	0	0	0	0	0	0	1057	587	4	1	1649	1461	188	240 (25 Sep)	16	53	6 Sep	2 Dec
158.	Magpie	0	0	12	2	2	2	0	0	2	5	0	1	26	18	8	10 (30 Mar)	4	12	28 Mar	8 Dec
159.	Jackdaw	0	270	481	196	172	14	0	7	55	2107	257	0	3559	2485	1074	955 (9 Oct)	30	102	18 Feb	21 Nov
160.	Rook	0	0	7	14	0	0	0	0	1	18	0	0	40	29	11	7 (15 Apr)	4	13	19 Mar	29 Oct
161.	Carrion Crow	2	19	49	133	31	4	0	7	5	35	27	5	317	82	235	40 (20 Apr)	25	84	15 Jan	21 Dec
162.	Raven	2	0	0	0	0	0	0	0	0	0	0	0	2	2	0	2 (30 Jan)	0	1	30 Jan	30 Jan
163.	Corvus sp.	0	0	0	0	0	0	0	0	0	0	7	0	7	7	0	7 (3 Nov)	0	1	3 Nov	3 Nov
164.	Coal Tit	0	0	1	0	0	0	0	1	16	448	60	0	526	523	3	87 (16 Oct)	12	40	31 Mar	20 Nov
165.	Crested Tit	0	0	0	1	0	0	0	0	0	0	0	0	1	0	1	1 (10 Apr)	0	1	10 Apr	10 Apr
166.	Marsh Tit	0	0	0	0	0	0	0	0	0	1	0	0	1	1	0	1 (29 Oct)	0	1	29 Oct	29 Oct
167.	Blue Tit	9	5	27	10	7	77	56	65	302	10495	2751	140	13944	13647	297	2107 (16 Oct)	44	148	1 Jan	31 Dec
168.	Great Tit	9	11	20	8	3	18	24	27	183	629	101	29	1062	970	92	89 (18 Oct)	32	107	13 Jan	26 Dec
169.	Bearded Tit	0	0	0	0	0	0	0	0	0	32	0	0	32	32	0	21 (28 Oct)	1	3	7 Oct	28 Oct
170.	Wood Lark	0	125	54	15	6	9	18	0	229	504	53	0	1013	757	256	90 (2 Oct)	29	100	5 Feb	20 Nov
171.	Skylark	1	927	36	3	0	1	0	0	9	9955	294	16	11242	11002	240	2747 (24 Oct)	27	90	16 Jan	26 Dec
172.	Shore Lark	0	0	0	0	0	0	0	0	0	3	0	0	3	3	0	3 (8 Oct)	0	1	8 Oct	8 Oct
173.	lark sp.	0	0	0	0	0	1	0	0	0	0	0	0	1	1	0	1 (16 Jun)	0	1	16 Jun	16 Jun
174.	Sand Martin	0	0	48	143	199	30	46	1	49	0	0	0	516	158	358	102 (8 May)	13	43	30 Mar	19 Sep
175.	Swallow	0	0	25	482	3771	331	69	276	1708	189	4	0	6855	2916	3939	1377 (8 May)	38	129	30 Mar	23 Nov
176.	House Martin	0	0	0	28	414	101	9	193	248	35	0	0	1028	377	651	162 (21 Aug)	16	55	16 Apr	13 Oct
177.	Long-tailed Tit	6	2	4	0	7	7	15	6	61	96	30	9	243	206	37	29 (30 Oct)	12	39	22 Jan	14 Dec
178.	Yellow-browed Warbler	0	0	0	0	0	0	0	0	0	3	0	0	3	3	0	2 (8 Oct)	1	2	8 Oct	24 Oct
179.	Willow Warbler	0	0	0	1	0	0	0	1	3	0	0	0	5	4	1	1 (23 Apr)	1	5	23 Apr	9 Sep
180.	Chiffchaff	0	2	18	4	0	0	17	1	76	57	19	0	194	165	29	10 (18 Sep)	23	78	20 Feb	26 Nov
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
181.	Chiffchaff/Willow Warbler	0	0	3	4	0	0	7	5	28	2	0	0	49	38	11	7 (16 Sep)	8	28	31 Mar	23 Oct
182.	Blackcap	0	0	0	1	0	0	0	4	33	11	0	0	49	44	5	8 (7 Sep)	7	24	15 Apr	24 Oct
183.	Lesser Whitethroat	0	0	0	0	2	0	0	2	1	0	0	0	5	3	2	2 (9 May)	1	4	9 May	9 Sep
184.	Whitethroat	0	0	0	0	0	0	0	0	2	0	0	0	2	2	0	1 (8 Sep)	1	2	8 Sep	19 Sep
185.	Firecrest	0	1	2	0	0	0	0	0	32	16	5	4	60	59	1	10 (3 Sep)	9	31	7 Feb	9 Dec
186.	Goldcrest	6	3	15	2	0	0	0	0	10	80	119	12	247	232	15	14 (9 Nov)	19	64	13 Jan	13 Dec
187.	Nuthatch	0	0	0	0	0	1	0	0	0	1	0	0	2	2	0	1 (24 Jun)	1	2	24 Jun	28 Oct
188.	Short-toed Tree Creeper	0	0	0	0	0	0	0	1	0	0	0	0	1	1	0	1 (13 Aug)	0	1	13 Aug	13 Aug
189.	Starling	78	7056	1162	126	41	28403	24673	127	20260	500265	447141	7636	1036968	1017504	19464	102376 (9 Nov)	69	234	2 Jan	31 Dec
190.	Song Thrush	0	131	58	392	8	1	1	1	836	4036	171	10	5645	5083	562	1463 (8 Oct)	35	120	7 Feb	27 Dec
191.	Mistle Thrush	0	48	25	7	1	3	1	0	13	326	47	1	472	391	81	218 (29 Oct)	15	50	7 Feb	26 Dec
192.	Redwing	55	1772	55	2	0	0	0	0	1	198439	20529	333	221186	220044	1142	96983 (23 Oct)	37	126	1 Jan	31 Dec
193.	Blackbird	0	40	1	3	1	0	0	0	5	362	2138	31	2581	2457	124	1524 (6 Nov)	22	76	7 Feb	27 Dec
194.	Fieldfare	0	442	8	0	0	0	0	0	3	5313	6802	2038	14606	14474	132	4378 (23 Oct)	16	54	7 Feb	31 Dec
195.	Ring Ouzel	0	0	2	94	2	0	0	0	0	3	1	0	102	7	95	22 (24 Apr)	7	23	31 Mar	7 Nov
196.	Spotted Flycatcher	0	0	0	0	5	6	1	0	4	0	0	0	16	9	7	3 (13 May)	3	9	11 May	6 Sep
197.	Robin	0	0	0	0	0	0	0	0	0	1	0	0	1	1	0	1 (30 Oct)	0	1	30 Oct	30 Oct
198.	Black Redstart	0	0	0	1	0	0	0	0	0	3	0	0	4	3	1	1 (15 Apr)	1	4	15 Apr	24 Oct
199.	Redstart	0	0	0	0	0	0	0	0	2	0	0	0	2	1	1	1 (3 Sep)	1	2	3 Sep	8 Sep
200.	Blue Rock-Thrush	0	0	0	0	0	1	0	0	0	0	0	0	1	0	1	1 (2 Jun)	0	1	2 Jun	2 Jun
201.	Whinchat	0	0	0	0	0	0	0	0	1	0	0	0	1	1	0	1 (19 Sep)	0	1	19 Sep	19 Sep
202.	Stonechat	0	0	1	0	0	0	0	0	1	0	0	0	2	0	2	1 (24 Mar)	1	2	24 Mar	2 Sep
203.	Wheatear	0	0	0	33	9	0	0	16	48	4	0	0	110	53	57	16 (20 Apr)	9	30	10 Apr	10 Oct
204.	Tree Sparrow	0	0	3	2	0	1	0	1	11	147	16	0	181	178	3	51 (24 Oct)	7	23	26 Mar	13 Nov
205.	House Sparrow	0	2	5	3	2	2	37	19	22	4	5	0	101	56	45	16 (3 Jul)	10	34	5 Feb	5 Nov
206.	Dunnock	0	14	21	3	1	0	0	81	752	202	20	0	1094	1015	79	101 (18 Sep)	25	86	18 Feb	22 Nov
207.	Blue-headed Wagtail	0	0	1	33	26	2	0	0	3	1	0	0	66	9	57	22 (6 May)	5	16	31 Mar	5 Oct
208.	Yellow Wagtail (flavissima)	0	0	0	6	1	0	0	0	0	0	0	0	7	1	6	2 (20 Apr)	1	5	15 Apr	14 May
209.	Grey-headed Wagtail	0	0	0	0	6	1	0	0	0	0	0	0	7	0	7	3 (11 May)	1	4	11 May	2 Jun
210.	Yellow wagtail sp.	0	0	11	789	248	23	2	82	557	16	0	0	1728	668	1060	248 (27 Apr)	26	89	30 Mar	9 Oct
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
211.	Grey Wagtail	1	4	5	2	0	5	1	2	211	647	21	0	899	879	20	116 (16 Oct)	19	63	2 Jan	23 Nov
212.	White Wagtail	1	11	121	29	6	7	7	3	7	0	0	2	194	71	123	25 (19 Mar)	18	60	2 Jan	16 Dec
213.	alba wagtail sp.	1	24	674	233	24	6	32	36	551	193	5	1	1780	894	886	137 (20 Mar)	45	151	5 Jan	29 Dec
214.	Pied Wagtail	0	0	1	1	0	0	0	0	0	0	0	0	2	0	2	1 (19 Mar)	1	2	19 Mar	18 Apr
215.	Richard's Pipit	0	0	0	0	1	0	0	0	1	3	0	0	5	3	2	1 (8 May)	1	5	8 May	13 Oct
216.	Tawny Pipit	0	0	0	0	1	0	0	1	3	0	0	0	5	2	3	1 (8 May)	1	5	8 May	14 Sep
217.	Meadow Pipit	6	1214	2176	4691	92	12	35	93	33988	21210	535	30	64082	56185	7897	18276 (26 Sep)	68	230	2 Jan	31 Dec
218.	Tree Pipit	0	0	3	95	85	10	16	90	440	24	0	0	763	494	269	47 (18 Sep)	28	94	31 Mar	15 Oct
219.	Olive-backed Pipit	0	0	0	0	0	0	0	0	0	2	1	0	3	3	0	1 (13 Oct)	1	3	13 Oct	3 Nov
220.	Water Pipit	0	1	0	0	0	0	0	0	1	2	1	0	5	4	1	1 (8 Feb)	1	5	8 Feb	3 Nov
221.	Rock Pipit	0	4	2	0	0	0	0	0	4	12	2	1	25	23	2	4 (7 Oct)	5	17	3 Feb	29 Dec
222.	Rock Pipit/Water Pipit	0	1	9	3	0	0	0	0	1	144	19	1	178	166	12	38 (7 Oct)	12	39	7 Feb	3 Dec
223.	pipit sp.	0	0	0	0	0	0	0	0	3	1	0	0	4	4	0	1 (19 Sep)	1	4	19 Sep	7 Oct
224.	Chaffinch	130	349	472	92	14	23	26	21	4174	512830	82040	2229	602400	601249	1151	201637 (23 Oct)	69	233	1 Jan	31 Dec
225.	Brambling	2	1	5	10	0	0	0	0	36	22062	10647	45	32808	32716	92	5750 (13 Oct)	22	73	23 Jan	29 Dec
226.	finch sp.	0	0	1	0	0	0	0	0	0	0	0	0	1	1	0	1 (31 Mar)	0	1	31 Mar	31 Mar
227.	Hawfinch	1	2	7	4	7	16	8	3	6	116	56	11	237	203	34	20 (13 Oct)	17	58	3 Jan	21 Dec
228.	Bullfinch	0	0	1	1	0	0	0	1	1	3	0	0	7	6	1	2 (28 Oct)	2	6	30 Mar	29 Oct
229.	Greenfinch	2	56	104	21	7	7	23	17	86	560	109	25	1017	789	228	92 (23 Oct)	40	137	8 Jan	31 Dec
230.	Linnet	8	20	192	400	85	81	69	102	320	1008	52	69	2406	1578	828	313 (5 Oct)	54	184	22 Jan	20 Dec
231.	Mealy Redpoll	0	0	0	0	2	0	0	0	0	1	0	0	3	0	3	2 (13 May)	1	2	13 May	9 Oct
232.	Lesser Redpoll	0	1	1	0	0	0	1	0	0	6	0	0	9	6	3	6 (31 Oct)	1	4	19 Feb	31 Oct
233.	Redpoll	1	0	3	48	42	4	3	2	2	50	29	2	186	143	43	31 (8 May)	17	58	17 Jan	13 Dec
234.	Crossbill	0	9	62	32	67	64	454	51	130	653	24	0	1546	1526	20	115 (18 Oct)	26	87	21 Feb	12 Nov
235.	Goldfinch	12	17	48	89	27	9	21	21	98	353	72	31	798	559	239	67 (16 Oct)	45	153	1 Jan	31 Dec
236.	Serin	0	0	1	1	5	0	0	0	0	3	0	0	10	4	6	2 (11 May)	3	9	31 Mar	28 Oct
237.	Siskin	27	59	125	176	787	194	1081	19	344	42479	10665	65	56021	55006	1015	6642 (23 Oct)	54	183	1 Jan	31 Dec
238.	Lapland Bunting	0	0	1	0	0	0	0	0	3	9	3	0	16	13	3	2 (20 Sep)	4	12	26 Mar	22 Nov
239.	Snow Bunting	0	2	0	0	0	0	0	0	0	3	8	5	18	16	2	3 (21 Nov)	4	15	7 Feb	21 Dec
240.	Yellowhammer	0	1	1	1	0	0	0	0	2	9	3	2	19	15	4	3 (23 Oct)	4	15	20 Feb	4 Dec
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
241.	Ortolan Bunting	0	0	0	0	0	0	0	1	4	0	0	0	5	4	1	2 (5 Sep)	1	4	24 Aug	8 Sep
242.	Little Bunting	0	0	0	0	0	0	0	0	0	4	0	0	4	4	0	1 (8 Oct)	1	4	8 Oct	28 Oct
243.	Rustic Bunting	0	0	0	0	0	0	0	0	0	2	0	0	2	2	0	1 (2 Oct)	1	2	2 Oct	23 Oct
244.	Reed Bunting	1	33	118	11	0	0	1	1	81	836	147	4	1233	1085	148	331 (28 Oct)	29	100	5 Jan	26 Dec
245.	bunting sp.	0	0	1	0	0	0	0	0	0	2	2	0	5	4	1	1 (26 Mar)	1	5	26 Mar	8 Nov
246.	Species unidentified	0	1	0	0	0	0	0	0	0	0	0	1	2	2	0	1 (7 Feb)	1	2	7 Feb	3 Dec
247.	passerine sp.	0	0	0	1	2	0	2	3	4	7	3	0	22	17	5	5 (13 Oct)	5	16	27 Apr	25 Nov
	Other species
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Harbour Porpoise	24	21	13	9	3	1	22	11	16	14	12	17	163	65	98	8 (13 Feb)	21	72	1 Jan	29 Dec
2.	Grey seal	1	0	0	0	0	2	0	3	3	2	0	1	12	3	9	2 (27 Jun)	3	11	15 Jan	29 Dec
3.	Common Seal	1	2	5	1	0	0	1	1	1	3	0	2	17	11	6	4 (31 Mar)	4	13	18 Jan	30 Dec
4.	Common / Grey seal	0	0	0	0	0	0	0	0	1	0	0	0	1	1	0	1 (7 Sep)	0	1	7 Sep	7 Sep
5.	Common Noctule	0	0	0	0	0	0	1	0	0	0	0	0	1	1	0	1 (3 Jul)	0	1	3 Jul	3 Jul
6.	Common Pipistrelle	0	0	0	0	0	0	0	1	0	0	0	0	1	1	0	1 (12 Aug)	0	1	12 Aug	12 Aug
	Other species
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Small Tortoiseshell	0	1	1	0	0	0	0	4	1	1	0	0	8	5	3	1 (21 Feb)	2	8	21 Feb	24 Oct
2.	Brimstone	0	0	0	2	2	1	0	0	0	0	0	0	5	0	5	2 (20 Apr)	1	4	20 Apr	2 Jun
3.	European Peacock	0	0	2	2	2	0	0	1	3	2	0	0	12	9	3	2 (31 Mar)	3	11	31 Mar	24 Oct
4.	Hummingbird Hawk-moth	0	0	0	0	0	0	0	0	1	0	0	0	1	1	0	1 (13 Sep)	0	1	13 Sep	13 Sep
5.	Swallowtail	0	0	0	0	1	0	0	0	0	0	0	0	1	0	1	1 (11 May)	0	1	11 May	11 May
6.	Speckled Wood	0	0	0	0	0	0	0	4	5	4	0	0	13	10	3	2 (18 Aug)	3	9	18 Aug	13 Oct
7.	Large White	0	0	0	0	0	1	0	5	16	1	0	0	23	12	11	10 (6 Sep)	2	6	2 Jun	2 Oct
8.	Green-veined White	0	0	0	0	0	1	0	0	0	0	0	0	1	0	1	1 (9 Jun)	0	1	9 Jun	9 Jun
9.	Small White	0	0	7	1	3	6	2	11	34	5	1	0	70	52	18	7 (6 Sep)	9	31	30 Mar	3 Nov
10.	white sp. (butterfly)	0	0	0	2	6	12	0	28	180	16	1	0	245	219	26	25 (4 Sep)	10	34	20 Apr	5 Nov
11.	Comma	0	0	0	0	0	0	0	0	1	0	0	0	1	0	1	1 (14 Sep)	0	1	14 Sep	14 Sep
12.	Red Admiral	0	0	1	0	5	35	10	30	60	23	0	0	164	112	52	17 (8 Sep)	19	64	31 Mar	29 Oct
13.	Painted Lady	0	0	0	0	1	1	0	0	0	0	0	0	2	0	2	1 (11 May)	1	2	11 May	3 Jun
	Other species
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Lesser Emperor	0	0	0	0	0	1	0	0	0	0	0	0	1	0	1	1 (27 Jun)	0	1	27 Jun	27 Jun
2.	Emperor Dragonfly	0	0	0	0	0	10	8	1	2	0	0	0	21	9	12	5 (27 Jun)	4	12	4 Jun	19 Sep
3.	Common Darter	0	0	0	0	0	0	0	0	0	1	0	0	1	1	0	1 (8 Oct)	0	1	8 Oct	8 Oct
4.	Darter unknown	0	0	0	0	0	3	6	29	87	10	0	0	135	131	4	29 (14 Sep)	8	28	27 Jun	28 Oct
5.	Four-spotted Chaser	0	0	0	0	0	1	0	0	0	0	0	0	1	0	1	1 (4 Jun)	0	1	4 Jun	4 Jun
6.	Migrant Hawker	0	0	0	0	0	0	0	0	4	1	0	0	5	4	1	3 (19 Sep)	1	3	18 Sep	29 Oct
7.	Green-eyed Hawker	0	0	0	0	2	3	0	0	0	0	0	0	5	0	5	3 (14 Jun)	1	3	29 May	14 Jun
8.	Black-tailed Skimmer	0	0	0	0	0	1	3	0	0	0	0	0	4	2	2	2 (20 Jul)	1	3	14 Jun	20 Jul
9.	Dragonfly unknown	0	0	0	0	0	0	0	0	17	0	1	0	18	3	15	17 (6 Sep)	1	2	6 Sep	10 Nov
	Other species
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Bumblebee sp.	0	2	63	61	41	26	70	112	96	28	2	0	501	305	196	41 (31 Mar)	25	86	21 Feb	10 Nov
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
	Totals	53947	59096	38237	63757	28861	47733	95761	146924	110635	1395266	634242	61856	2736315	2504242	232073		100	339
	Observation hours	109:57	134:24	154:22	150:48	147:46	112:11	127:50	171:08	163:17	183:03	161:40	125:52	1742:18

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Totals De Vulkaan (Den Haag) 2021