Totals IJmuiden aan Zee 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	104	70	396	515	122	2	0	0	17	894	10	1	2131	933	1198	540 (6 Oct)	49	39	9 Jan	20 Dec
2.	Pale-bellied Brent Goose	0	0	0	1	0	0	0	0	0	0	0	0	1	0	1	1 (9 Apr)	1	1	9 Apr	9 Apr
3.	Canada Goose	0	0	0	7	0	0	0	0	0	0	0	0	7	2	5	5 (10 Apr)	3	2	4 Apr	10 Apr
4.	Barnacle Goose	37	171	182	773	188	22	0	0	0	5	0	211	1589	188	1401	354 (9 Apr)	28	22	1 Jan	26 Dec
5.	Greylag Goose	2	30	120	26	16	2	0	0	1	2	0	36	235	82	153	44 (19 Mar)	30	24	1 Jan	25 Dec
6.	Pink-footed Goose	0	0	0	0	0	0	0	0	0	0	0	47	47	47	0	47 (25 Dec)	1	1	25 Dec	25 Dec
7.	Tundra Bean Goose	0	0	0	0	0	0	0	0	0	0	0	4	4	4	0	4 (22 Dec)	1	1	22 Dec	22 Dec
8.	Eurasian White-fronted Goose	17	51	0	0	0	0	0	0	7	18	0	78	171	65	106	51 (22 Dec)	14	11	30 Jan	26 Dec
9.	Mute Swan	0	0	0	0	47	12	0	4	0	7	5	0	75	44	31	44 (13 May)	8	6	9 May	3 Nov
10.	Egyptian Goose	5	8	4	10	23	1	0	0	6	0	4	18	79	24	55	15 (22 Dec)	20	16	25 Jan	22 Dec
11.	Shelduck	16	44	13	60	57	40	30	46	68	3	0	1	378	61	317	46 (20 Aug)	47	37	9 Jan	26 Dec
12.	Garganey	0	0	6	4	0	0	0	0	0	0	0	0	10	0	10	6 (31 Mar)	4	3	31 Mar	24 Apr
13.	Shoveler	0	4	217	86	0	0	0	7	3	0	1	4	322	4	318	198 (31 Mar)	20	16	27 Feb	22 Dec
14.	Gadwall	4	18	17	27	9	3	0	0	0	3	0	14	95	10	85	18 (18 Apr)	28	22	1 Jan	26 Dec
15.	Wigeon	229	266	192	116	1	0	1	0	17	132	11	120	1085	324	761	188 (1 Jan)	43	34	1 Jan	26 Dec
16.	Mallard	0	0	1	5	0	0	3	0	0	0	0	7	16	7	9	4 (25 Dec)	8	6	31 Mar	26 Dec
17.	Pintail	1	28	39	5	0	0	0	2	4	14	622	0	715	638	77	620 (5 Nov)	19	15	9 Jan	6 Nov
18.	Teal	8	98	457	845	57	0	5	24	19	30	4	51	1598	83	1515	393 (5 Apr)	48	38	1 Jan	25 Dec
19.	Pochard	0	10	0	0	0	0	0	0	1	0	0	0	11	3	8	7 (12 Feb)	4	3	12 Feb	25 Sep
20.	Tufted Duck	1	4	2	2	0	2	2	0	3	10	0	2	28	12	16	4 (6 Oct)	19	15	1 Jan	26 Dec
21.	Scaup	0	0	0	3	0	0	0	0	0	0	0	6	9	6	3	6 (26 Dec)	4	3	23 Apr	26 Dec
22.	Eider	31	56	157	87	53	0	4	0	15	27	50	14	494	149	345	68 (5 Mar)	59	47	1 Jan	26 Dec
23.	Velvet Scoter	14	1	20	12	5	0	0	0	0	23	3	1	79	25	54	18 (14 Oct)	22	17	1 Jan	25 Dec
24.	Common Scoter	1835	477	1160	5032	1281	15	28	32	344	1303	358	51	11916	2058	9858	1986 (18 Apr)	86	68	1 Jan	26 Dec
25.	Long-tailed Duck	0	0	1	0	0	0	0	0	0	0	0	1	2	0	2	1 (7 Mar)	3	2	7 Mar	25 Dec
26.	Goldeneye	0	20	0	0	0	0	0	0	1	0	0	1	22	13	9	17 (14 Feb)	8	6	8 Feb	25 Dec
27.	Smew	0	10	0	0	0	0	0	0	0	0	0	0	10	8	2	8 (14 Feb)	3	2	12 Feb	14 Feb
28.	Goosander	0	1	6	0	0	0	0	0	0	0	0	9	16	3	13	8 (25 Dec)	6	5	8 Feb	26 Dec
29.	Red-breasted Merganser	15	14	67	50	25	0	0	0	22	93	11	4	301	133	168	28 (7 Oct)	54	43	1 Jan	26 Dec
30.	Swift	0	0	0	0	6	28	90	9	0	0	0	0	133	120	13	90 (24 Jul)	9	7	9 May	7 Aug
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
31.	Stock Dove	0	0	0	0	0	0	0	0	0	30	0	0	30	30	0	24 (5 Oct)	4	3	5 Oct	29 Oct
32.	Woodpigeon	0	0	0	1	0	0	0	0	2	81	8	1	93	92	1	44 (29 Oct)	8	6	27 Apr	25 Dec
33.	Collared Dove	0	0	0	0	6	0	0	0	0	0	0	0	6	0	6	4 (14 May)	3	2	9 May	14 May
34.	Red-necked Grebe	0	0	0	0	0	0	0	0	0	1	0	0	1	1	0	1 (22 Oct)	1	1	22 Oct	22 Oct
35.	Great Crested Grebe	12	103	129	7	4	4	1	1	7	41	5	4	318	153	165	45 (7 Mar)	57	45	16 Jan	26 Dec
36.	Black-necked Grebe	0	0	1	0	0	0	0	0	0	0	0	0	1	0	1	1 (20 Mar)	1	1	20 Mar	20 Mar
37.	Oystercatcher	0	10	35	85	285	24	0	10	6	3	0	0	458	90	368	101 (13 May)	33	26	8 Feb	29 Oct
38.	Avocet	0	0	44	34	8	0	0	0	0	0	0	0	86	0	86	19 (31 Mar)	15	12	19 Mar	15 May
39.	Grey Plover	0	3	3	188	329	0	0	1	2	15	0	0	541	21	520	281 (15 May)	24	19	8 Feb	21 Oct
40.	Golden Plover	0	0	0	0	0	0	0	0	2	2	0	1	5	2	3	2 (3 Sep)	5	4	3 Sep	25 Dec
41.	Ringed Plover	1	0	9	3	192	1	1	23	57	8	0	0	295	59	236	170 (15 May)	33	26	30 Jan	16 Oct
42.	Little Ringed Plover	0	0	0	0	0	1	0	0	0	0	0	0	1	0	1	1 (1 Jun)	1	1	1 Jun	1 Jun
43.	Lapwing	0	1	7	0	1	0	0	0	0	0	3	391	403	395	8	296 (25 Dec)	8	6	7 Feb	26 Dec
44.	Whimbrel	0	0	5	262	110	0	2	2	0	0	0	0	381	3	378	134 (27 Apr)	16	13	31 Mar	20 Aug
45.	Curlew	0	18	45	134	12	1	0	41	48	1	0	1	301	93	208	105 (18 Apr)	33	26	7 Feb	25 Dec
46.	Bar-tailed Godwit	0	10	0	1398	131	1	0	1	3	0	0	0	1544	11	1533	756 (23 Apr)	20	16	8 Feb	10 Sep
47.	Black-tailed Godwit	0	0	14	0	0	0	0	0	0	5	0	0	19	0	19	14 (31 Mar)	3	2	31 Mar	7 Oct
48.	Icelandic Black-tailed Godwit	0	0	1	0	0	0	0	0	0	0	0	0	1	0	1	1 (31 Mar)	1	1	31 Mar	31 Mar
49.	Woodcock	0	0	0	0	0	0	0	0	0	0	1	1	2	2	0	1 (5 Nov)	3	2	5 Nov	26 Dec
50.	Snipe	0	1	0	4	0	0	0	0	24	44	2	4	79	75	4	36 (5 Oct)	23	18	8 Feb	25 Dec
51.	Common Sandpiper	0	0	0	0	11	0	3	0	6	0	0	0	20	9	11	9 (13 May)	5	4	13 May	4 Sep
52.	Green Sandpiper	0	0	0	1	0	0	0	0	0	0	0	1	2	0	2	1 (18 Apr)	3	2	18 Apr	26 Dec
53.	Redshank	0	2	7	99	142	12	4	1	6	1	0	0	274	5	269	120 (15 May)	27	21	8 Feb	2 Oct
54.	Spotted Redshank	0	0	0	5	0	0	0	0	0	1	0	0	6	1	5	5 (27 Apr)	3	2	27 Apr	7 Oct
55.	Greenshank	0	0	0	41	8	0	0	1	1	0	0	0	51	4	47	20 (27 Apr)	11	9	18 Apr	9 Sep
56.	Turnstone	5	5	0	11	58	0	0	18	6	61	15	4	183	85	98	40 (15 May)	46	36	9 Jan	26 Dec
57.	Knot	0	2	7	81	246	0	0	7	4	6	8	0	361	4	357	180 (15 May)	27	21	14 Feb	19 Nov
58.	Ruff	0	0	1	0	0	0	0	1	0	0	0	1	3	0	3	1 (31 Mar)	4	3	31 Mar	25 Dec
59.	Curlew Sandpiper	0	0	0	0	0	0	0	0	1	0	0	0	1	1	0	1 (24 Sep)	1	1	24 Sep	24 Sep
60.	Sanderling	95	119	82	343	1155	0	5	28	16	123	82	71	2119	252	1867	590 (15 May)	67	53	1 Jan	26 Dec
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
61.	Dunlin	0	18	745	253	177	0	5	24	13	153	3	38	1429	172	1257	373 (5 Mar)	57	45	8 Feb	26 Dec
62.	Purple Sandpiper	0	0	0	0	0	0	0	0	0	2	1	0	3	2	1	1 (22 Oct)	4	3	22 Oct	7 Nov
63.	Little Stint	0	0	0	0	3	0	0	0	1	0	0	0	4	1	3	2 (13 May)	4	3	13 May	25 Sep
64.	Little Tern	0	0	0	61	21	0	0	7	0	0	0	0	89	5	84	21 (30 Apr)	14	11	18 Apr	28 Aug
65.	Black Tern	0	0	0	96	31	26	0	5	3	0	0	0	161	2	159	56 (30 Apr)	14	11	24 Apr	10 Sep
66.	Arctic Tern	0	0	0	109	17	0	0	0	0	7	0	0	133	7	126	57 (24 Apr)	13	10	18 Apr	22 Oct
67.	Common/Arctic Tern	0	0	0	1445	0	0	0	0	0	0	0	0	1445	0	1445	1445 (24 Apr)	1	1	24 Apr	24 Apr
68.	Common Tern	0	0	0	1328	983	227	36	1342	4675	296	0	0	8887	5855	3032	3223 (4 Sep)	42	33	7 Apr	7 Oct
69.	Sandwich Tern	0	0	15	635	508	439	4	484	1828	1624	4	0	5541	4253	1288	909 (4 Sep)	62	49	20 Mar	19 Nov
70.	Little Gull	0	0	542	13247	8873	0	0	7	30	40	18	0	22757	377	22380	7310 (1 May)	49	39	5 Mar	19 Nov
71.	Kittiwake	74	0	0	506	1	0	0	2	1	430	290	67	1371	685	686	426 (7 Apr)	34	27	1 Jan	20 Dec
72.	Sabine's Gull	0	0	0	0	0	0	0	0	1	0	0	0	1	1	0	1 (29 Sep)	1	1	29 Sep	29 Sep
73.	Black-headed Gull	909	664	1245	402	740	97	130	2166	1325	3003	471	783	11935	7991	3944	1680 (7 Aug)	82	65	9 Jan	26 Dec
74.	Mediterranean Gull	0	0	3	4	2	0	0	8	1	1	1	0	20	12	8	8 (7 Aug)	14	11	19 Mar	7 Nov
75.	Common Gull	0	970	513	1804	1157	5	0	250	467	969	425	1100	7660	4036	3624	850 (8 Feb)	51	40	8 Feb	26 Dec
76.	Lesser Black-backed Gull	1	0	72	250	0	0	0	0	50	200	0	0	573	251	322	250 (10 Apr)	8	6	23 Jan	2 Oct
77.	Iceland Gull	1	0	0	0	1	0	0	0	0	0	0	0	2	0	2	1 (1 Jan)	3	2	1 Jan	13 May
78.	Arctic Skua	0	0	0	9	2	0	0	11	74	40	2	0	138	98	40	37 (4 Sep)	33	26	5 Apr	6 Nov
79.	Pomarine Skua	0	0	0	0	0	0	0	0	0	3	1	0	4	4	0	2 (21 Oct)	4	3	5 Oct	6 Nov
80.	Great Skua	1	0	0	0	0	0	0	1	0	2	0	0	4	2	2	1 (1 Jan)	5	4	1 Jan	22 Oct
81.	Razorbill	0	0	0	0	0	0	0	0	0	7	0	0	7	3	4	4 (14 Oct)	5	4	14 Oct	22 Oct
82.	Razorbill/Guillemot	31	9	20	0	0	0	0	0	74	773	223	45	1175	426	749	312 (14 Oct)	41	32	1 Jan	26 Dec
83.	Little Auk	0	0	0	0	0	0	0	0	0	0	1	0	1	1	0	1 (7 Nov)	1	1	7 Nov	7 Nov
84.	Guillemot	3	0	8	2	0	0	0	0	18	69	12	2	114	87	27	14 (29 Oct)	29	23	16 Jan	3 Dec
85.	Red-throated Diver	861	438	1185	100	8	0	0	3	91	376	259	2078	5399	2887	2512	1246 (26 Dec)	76	60	1 Jan	26 Dec
86.	Black-throated Diver	0	0	0	9	0	0	0	0	0	0	0	0	9	0	9	3 (7 Apr)	8	6	4 Apr	30 Apr
87.	Fulmar	0	0	0	5	0	0	0	0	0	0	0	0	5	0	5	5 (7 Apr)	1	1	7 Apr	7 Apr
88.	Sooty Shearwater	0	0	0	0	0	0	0	0	1	2	0	0	3	3	0	1 (29 Sep)	4	3	29 Sep	12 Oct
89.	Manx Shearwater	0	0	0	0	0	0	0	0	0	1	0	0	1	1	0	1 (1 Oct)	1	1	1 Oct	1 Oct
90.	Gannet	124	0	22	52	22	2	1	46	287	161	32	17	766	412	354	143 (29 Sep)	68	54	1 Jan	26 Dec
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
91.	Cormorant	235	441	401	144	43	16	9	65	464	1034	65	108	3025	1888	1137	411 (5 Oct)	71	56	1 Jan	26 Dec
92.	Shag	1	2	1	1	0	0	0	0	0	0	0	0	5	1	4	2 (27 Feb)	5	4	9 Jan	9 Apr
93.	Spoonbill	0	0	2	15	5	0	0	0	4	874	0	0	900	878	22	437 (2 Oct)	9	7	31 Mar	5 Oct
94.	Great White Egret	0	0	0	1	0	0	0	0	2	11	0	2	16	13	3	7 (29 Oct)	6	5	24 Apr	25 Dec
95.	Grey Heron	2	0	4	1	2	2	0	0	6	11	1	0	29	17	12	4 (20 Sep)	19	15	30 Jan	5 Nov
96.	Sparrowhawk	0	0	0	0	0	0	0	0	1	8	1	0	10	9	1	5 (29 Oct)	6	5	10 Sep	19 Nov
97.	Goshawk	0	0	0	0	0	0	0	0	1	1	0	0	2	1	1	1 (9 Sep)	3	2	9 Sep	2 Oct
98.	Marsh Harrier	0	0	1	0	1	0	0	0	0	1	0	0	3	1	2	1 (31 Mar)	4	3	31 Mar	4 Oct
99.	Hen Harrier	0	0	0	0	0	0	0	0	0	2	0	0	2	2	0	1 (5 Oct)	3	2	5 Oct	29 Oct
100.	Common Buzzard	0	0	0	0	0	0	0	0	0	4	1	1	6	6	0	3 (29 Oct)	5	4	2 Oct	26 Dec
101.	Short-eared Owl	0	0	0	0	0	0	0	0	0	0	1	0	1	1	0	1 (3 Nov)	1	1	3 Nov	3 Nov
102.	Great Spotted Woodpecker	0	0	0	0	0	0	0	0	0	1	2	0	3	3	0	2 (14 Nov)	3	2	7 Oct	14 Nov
103.	Kestrel	0	0	1	1	1	0	0	0	2	2	0	0	7	4	3	2 (3 Sep)	8	6	31 Mar	7 Oct
104.	Merlin	0	0	0	0	0	0	0	0	0	2	0	0	2	2	0	2 (1 Oct)	1	1	1 Oct	1 Oct
105.	Hobby	0	0	0	0	1	0	0	0	0	1	0	0	2	1	1	1 (9 May)	3	2	9 May	1 Oct
106.	Peregrine	1	0	0	0	0	0	0	0	0	4	2	0	7	6	1	1 (30 Jan)	9	7	30 Jan	19 Nov
107.	Jay	0	0	0	0	0	0	0	0	0	5	0	0	5	5	0	5 (2 Oct)	1	1	2 Oct	2 Oct
108.	Jackdaw	0	0	4	0	0	0	0	0	0	1	0	0	5	1	4	4 (19 Mar)	3	2	19 Mar	2 Oct
109.	Rook	0	0	3	2	0	0	0	0	0	0	1	0	6	1	5	3 (31 Mar)	4	3	31 Mar	14 Nov
110.	Carrion Crow	0	0	8	10	1	0	0	0	0	0	0	0	19	4	15	6 (31 Mar)	8	6	5 Mar	13 May
111.	Coal Tit	0	0	0	0	0	0	0	0	0	0	1	0	1	1	0	1 (12 Nov)	1	1	12 Nov	12 Nov
112.	Blue Tit	0	4	0	0	0	0	0	0	11	69	34	4	122	118	4	55 (28 Oct)	18	14	10 Feb	26 Dec
113.	Great Tit	0	0	1	0	0	0	0	0	0	2	6	0	9	8	1	3 (14 Nov)	8	6	26 Mar	19 Nov
114.	Wood Lark	0	2	1	0	0	0	0	0	0	4	0	0	7	5	2	3 (2 Oct)	6	5	7 Feb	29 Oct
115.	Skylark	0	26	2	0	0	0	0	0	0	2316	30	1	2375	2370	5	2161 (29 Oct)	25	20	7 Feb	26 Dec
116.	Sand Martin	0	0	0	2	16	0	0	0	0	0	0	0	18	16	2	16 (9 May)	3	2	27 Apr	9 May
117.	Swallow	0	0	1	40	143	13	0	5	75	5	0	0	282	82	200	116 (9 May)	23	18	31 Mar	29 Oct
118.	House Martin	0	0	0	0	10	0	0	60	0	12	0	0	82	75	7	60 (28 Aug)	4	3	9 May	5 Oct
119.	Yellow-browed Warbler	0	0	0	0	0	0	0	0	0	1	0	0	1	1	0	1 (5 Oct)	1	1	5 Oct	5 Oct
120.	Chiffchaff	0	0	1	0	1	0	0	0	0	3	0	0	5	3	2	2 (5 Oct)	5	4	31 Mar	28 Oct
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
121.	Starling	0	454	11	0	0	26	19	49	0	4670	2953	4	8186	8175	11	3412 (29 Oct)	30	24	7 Feb	22 Dec
122.	Song Thrush	0	3	0	1	0	0	0	0	2	27	2	1	36	35	1	23 (5 Oct)	13	10	7 Feb	25 Dec
123.	Mistle Thrush	0	0	0	0	0	0	0	0	0	0	0	1	1	1	0	1 (25 Dec)	1	1	25 Dec	25 Dec
124.	Redwing	0	14	0	0	0	0	0	0	0	10	22	12	58	58	0	13 (14 Nov)	13	10	7 Feb	26 Dec
125.	Blackbird	0	0	1	0	0	0	0	0	0	5	21	3	30	29	1	10 (5 Nov)	11	9	5 Mar	25 Dec
126.	Fieldfare	0	111	0	1	0	0	0	0	0	0	43	612	767	766	1	331 (26 Dec)	10	8	7 Feb	26 Dec
127.	Wheatear	0	0	0	4	3	0	0	0	5	1	0	0	13	6	7	2 (27 Apr)	14	11	18 Apr	5 Oct
128.	Tree Sparrow	0	0	1	1	0	0	0	0	0	9	0	0	11	9	2	4 (7 Oct)	6	5	31 Mar	28 Oct
129.	House Sparrow	0	0	0	0	0	0	0	5	0	8	0	5	18	18	0	5 (20 Aug)	6	5	20 Aug	22 Dec
130.	Dunnock	0	6	10	0	1	0	0	3	121	55	0	0	196	179	17	62 (3 Sep)	27	21	27 Feb	29 Oct
131.	Blue-headed Wagtail	0	0	3	5	11	0	0	11	15	1	0	0	46	27	19	9 (20 Aug)	20	16	31 Mar	5 Oct
132.	Grey Wagtail	0	0	0	0	0	0	0	0	0	42	0	0	42	42	0	13 (5 Oct)	11	9	1 Oct	29 Oct
133.	White Wagtail	0	1	17	5	3	0	0	0	24	64	5	0	119	93	26	33 (5 Oct)	30	24	27 Feb	12 Nov
134.	Pied Wagtail	0	0	0	0	0	0	0	0	0	1	0	0	1	1	0	1 (7 Oct)	1	1	7 Oct	7 Oct
135.	Richard's Pipit	0	0	0	0	0	0	0	0	0	1	0	0	1	1	0	1 (5 Oct)	1	1	5 Oct	5 Oct
136.	Meadow Pipit	0	63	28	18	1	0	0	0	121	10097	43	6	10377	10327	50	5934 (2 Oct)	52	41	7 Feb	25 Dec
137.	Tree Pipit	0	0	0	0	0	0	0	5	5	1	0	0	11	11	0	5 (28 Aug)	4	3	28 Aug	5 Oct
138.	Rock Pipit	0	0	6	1	0	0	0	0	5	64	5	0	81	74	7	16 (6 Oct)	20	16	20 Mar	12 Nov
139.	Chaffinch	0	6	6	3	0	0	0	0	2	9317	255	5	9594	9583	11	6080 (29 Oct)	41	32	7 Feb	26 Dec
140.	Brambling	0	0	2	2	0	0	0	0	0	1565	81	0	1650	1646	4	1024 (29 Oct)	20	16	31 Mar	19 Nov
141.	Bullfinch	0	0	0	0	0	0	0	0	0	2	0	0	2	2	0	2 (5 Oct)	1	1	5 Oct	5 Oct
142.	Greenfinch	0	7	2	1	0	0	0	0	2	39	4	0	55	49	6	19 (29 Oct)	19	15	10 Feb	14 Nov
143.	Twite	0	0	0	0	0	0	0	0	0	0	2	0	2	2	0	2 (6 Nov)	1	1	6 Nov	6 Nov
144.	Linnet	14	0	11	28	13	0	1	1	6	651	1	0	726	660	66	302 (2 Oct)	33	26	9 Jan	3 Nov
145.	Lesser Redpoll	0	0	0	3	2	0	1	0	0	1	1	0	8	3	5	1 (18 Apr)	10	8	18 Apr	14 Nov
146.	Crossbill	0	0	0	0	0	0	0	0	0	6	0	0	6	6	0	3 (28 Oct)	4	3	4 Oct	28 Oct
147.	Goldfinch	0	0	3	5	3	3	1	2	0	18	7	0	42	28	14	7 (29 Oct)	27	21	20 Mar	12 Nov
148.	Siskin	0	0	2	4	0	0	0	0	2	251	33	0	292	286	6	126 (29 Oct)	23	18	31 Mar	14 Nov
149.	Lapland Bunting	0	0	0	0	0	0	0	0	0	2	0	0	2	2	0	1 (7 Oct)	3	2	7 Oct	16 Oct
150.	Snow Bunting	0	0	0	0	0	0	0	0	0	0	19	3	22	22	0	19 (5 Nov)	3	2	5 Nov	22 Dec
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
151.	Ortolan Bunting	0	0	0	1	0	0	0	0	0	0	0	0	1	0	1	1 (24 Apr)	1	1	24 Apr	24 Apr
152.	Reed Bunting	0	0	0	1	0	0	0	0	6	99	22	0	128	127	1	45 (29 Oct)	20	16	9 Apr	19 Nov
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
	Totals	4690	4894	8351	30981	17395	1027	386	4821	10541	42527	6610	6059	138282	71799	66483		100	79
	Observation hours	11:00	9:30	15:00	25:00	17:00	3:00	2:30	6:30	19:00	42:30	14:30	8:30	174:00

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Totals IJmuiden aan Zee 2021