Totals Bloemendaal 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	53	99	6208	917	182	0	0	1	17	743	336	0	8556	1099	7457	1793 (21 Mar)	61	79	11 Jan	7 Nov
2.	Pale-bellied Brent Goose	0	16	1	1	0	0	0	0	0	0	0	0	18	16	2	16 (13 Feb)	2	3	13 Feb	13 Apr
3.	Black Brant	0	0	1	0	0	0	0	0	0	0	0	0	1	0	1	1 (23 Mar)	1	1	23 Mar	23 Mar
4.	Canada Goose	0	8	13	5	0	0	0	0	0	0	0	0	26	5	21	8 (26 Feb)	8	10	26 Feb	19 Apr
5.	Barnacle Goose	11	2047	954	1778	603	0	0	0	0	0	0	0	5393	86	5307	1406 (18 Feb)	25	32	30 Jan	22 May
6.	Greylag Goose	9	66	188	119	4	0	0	0	0	144	0	0	530	292	238	144 (24 Oct)	38	50	30 Jan	24 Oct
7.	Anser sp.	0	0	0	0	0	0	0	0	0	0	110	0	110	110	0	110 (5 Nov)	1	1	5 Nov	5 Nov
8.	goose sp.	7	219	12	17	0	0	0	0	0	0	0	0	255	7	248	200 (22 Feb)	5	6	30 Jan	8 Apr
9.	Domestic Goose	0	1	2	0	0	0	0	0	0	0	0	0	3	2	1	1 (12 Feb)	2	3	12 Feb	17 Mar
10.	Pink-footed Goose	61	0	0	0	0	0	0	0	0	28	3	0	92	31	61	61 (29 Jan)	2	3	29 Jan	1 Nov
11.	Eurasian White-fronted Goose	18	55	168	0	0	0	0	0	0	0	0	0	241	7	234	96 (4 Mar)	5	6	4 Jan	24 Mar
12.	Mute Swan	0	1	4	3	3	0	0	0	0	5	0	0	16	9	7	5 (24 Oct)	5	7	9 Feb	24 Oct
13.	Egyptian Goose	2	10	27	60	18	0	0	0	0	0	0	0	117	41	76	16 (6 May)	20	26	17 Jan	6 May
14.	Shelduck	39	79	304	201	76	37	216	155	0	25	6	2	1140	124	1016	213 (15 Jul)	64	83	29 Jan	1 Dec
15.	Garganey	0	0	20	14	1	0	0	0	0	0	0	0	35	0	35	9 (30 Mar)	8	10	2 Mar	2 May
16.	Shoveler	6	20	967	985	0	0	0	2	4	0	0	0	1984	37	1947	348 (2 Mar)	33	43	29 Jan	16 Sep
17.	Gadwall	0	33	75	79	0	0	0	2	0	10	2	0	201	23	178	45 (28 Apr)	24	31	12 Feb	5 Nov
18.	Wigeon	145	2976	3076	256	0	0	0	5	74	117	17	2	6668	536	6132	1920 (6 Feb)	56	73	4 Jan	1 Dec
19.	Mallard	0	0	11	5	2	0	0	0	0	0	0	0	18	2	16	4 (2 Mar)	8	10	1 Mar	3 May
20.	Pintail	7	46	696	69	0	0	0	1	12	45	41	0	917	126	791	441 (2 Mar)	35	45	21 Jan	5 Nov
21.	Teal	23	313	2266	1525	61	0	12	32	78	25	7	0	4342	222	4120	860 (2 Mar)	64	83	21 Jan	18 Nov
22.	duck sp.	0	0	0	0	0	0	1	0	0	0	0	0	1	1	0	1 (15 Jul)	1	1	15 Jul	15 Jul
23.	Pochard	0	9	6	14	0	0	0	0	0	0	0	0	29	9	20	14 (3 Apr)	5	6	12 Feb	3 Apr
24.	Tufted Duck	1	5	19	55	10	0	0	1	8	8	0	0	107	13	94	17 (20 Apr)	22	29	30 Jan	26 Oct
25.	Scaup	0	14	11	5	0	0	0	3	102	2	0	0	137	75	62	92 (23 Sep)	9	12	17 Feb	15 Oct
26.	Eider	8	61	519	325	50	0	0	1	18	25	29	1	1037	337	700	67 (30 Mar)	62	81	11 Jan	1 Dec
27.	Velvet Scoter	49	118	552	126	9	0	0	0	0	24	11	0	889	47	842	105 (7 Mar)	42	54	22 Jan	7 Nov
28.	Common Scoter	1333	3541	9877	13966	3581	7	114	223	283	1151	178	25	34279	3714	30565	2428 (18 Apr)	98	127	4 Jan	1 Dec
29.	Long-tailed Duck	0	1	2	0	0	0	0	0	0	0	0	0	3	1	2	1 (26 Feb)	2	3	26 Feb	30 Mar
30.	Goldeneye	1	26	13	3	0	0	0	1	0	3	0	0	47	28	19	15 (12 Feb)	15	19	29 Jan	26 Oct
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
31.	Smew	0	18	0	0	0	0	0	0	0	0	0	0	18	12	6	8 (12 Feb)	2	3	9 Feb	13 Feb
32.	Goosander	4	7	11	0	0	0	0	0	0	0	0	0	22	2	20	4 (7 Mar)	8	11	21 Jan	21 Mar
33.	Red-breasted Merganser	9	21	476	298	57	0	0	0	10	91	15	0	977	173	804	93 (23 Mar)	62	81	4 Jan	7 Nov
34.	Swift	0	0	0	0	1	4	14	0	0	0	0	0	19	4	15	14 (15 Jul)	2	3	5 May	15 Jul
35.	Woodpigeon	0	1	0	0	0	0	0	0	0	0	0	0	1	0	1	1 (18 Feb)	1	1	18 Feb	18 Feb
36.	Red-necked Grebe	0	2	9	1	0	0	0	1	2	0	0	0	15	2	13	6 (6 Mar)	8	10	12 Feb	23 Sep
37.	Great Crested Grebe	188	512	538	72	28	1	2	24	29	23	15	0	1432	790	642	174 (16 Feb)	73	95	11 Jan	5 Nov
38.	Black-necked / Slavonian Grebe	0	0	0	1	0	0	0	0	0	0	0	0	1	0	1	1 (17 Apr)	1	1	17 Apr	17 Apr
39.	Oystercatcher	0	53	137	251	166	2	4	108	1	14	1	0	737	293	444	64 (1 May)	57	74	6 Feb	7 Nov
40.	Avocet	0	3	55	41	0	0	4	0	0	0	0	0	103	0	103	21 (28 Apr)	9	12	6 Feb	15 Jul
41.	Grey Plover	0	1	86	1629	591	0	2	36	9	10	0	0	2364	58	2306	929 (30 Apr)	36	47	12 Feb	26 Oct
42.	Golden Plover	0	2	0	0	0	0	0	3	0	0	0	0	5	3	2	2 (26 Feb)	2	3	26 Feb	18 Aug
43.	Ringed Plover	0	0	16	13	8	0	0	22	1	0	0	0	60	22	38	11 (7 Aug)	10	13	2 Mar	29 Sep
44.	Little Ringed Plover	0	0	1	0	0	0	0	0	0	0	0	0	1	0	1	1 (31 Mar)	1	1	31 Mar	31 Mar
45.	Lapwing	0	191	0	0	0	0	0	0	0	0	0	0	191	8	183	183 (6 Feb)	3	4	6 Feb	13 Feb
46.	Whimbrel	0	0	0	1059	187	0	15	205	0	0	0	0	1466	218	1248	550 (28 Apr)	25	32	7 Apr	19 Aug
47.	Curlew	1	25	163	331	4	0	1	24	6	4	0	0	559	54	505	105 (19 Apr)	45	58	30 Jan	26 Oct
48.	Bar-tailed Godwit	0	21	74	5128	806	0	3	58	0	0	0	0	6090	81	6009	1562 (22 Apr)	32	41	12 Feb	15 Aug
49.	Black-tailed Godwit	0	0	1	1	0	0	0	0	0	0	0	0	2	0	2	1 (2 Mar)	2	2	2 Mar	20 Apr
50.	Woodcock	1	22	1	1	0	0	0	0	0	0	0	0	25	0	25	21 (6 Feb)	4	5	30 Jan	9 Apr
51.	Snipe	0	4	0	0	0	0	0	0	0	0	0	0	4	3	1	2 (8 Feb)	2	3	8 Feb	24 Feb
52.	Grey Phalarope	0	0	0	0	0	0	0	0	0	1	0	0	1	1	0	1 (22 Oct)	1	1	22 Oct	22 Oct
53.	Common Sandpiper	0	0	0	0	0	0	0	1	0	0	0	0	1	1	0	1 (5 Aug)	1	1	5 Aug	5 Aug
54.	Redshank	0	0	7	22	7	0	4	3	0	0	0	0	43	7	36	11 (28 Apr)	10	13	2 Mar	16 Aug
55.	Spotted Redshank	1	0	0	0	0	0	0	0	0	0	0	0	1	0	1	1 (4 Jan)	1	1	4 Jan	4 Jan
56.	Greenshank	0	0	0	30	0	0	0	0	0	0	0	0	30	0	30	15 (20 Apr)	2	3	20 Apr	28 Apr
57.	Turnstone	0	5	0	27	0	0	0	29	2	4	0	0	67	37	30	15 (7 Aug)	14	18	12 Feb	26 Oct
58.	Knot	0	1	334	568	170	0	0	19	0	22	0	0	1114	45	1069	204 (23 Mar)	27	35	12 Feb	22 Oct
59.	Ruff	0	0	30	1	1	0	0	1	0	0	0	0	33	2	31	24 (30 Mar)	5	6	2 Mar	8 Aug
60.	wader sp.	0	0	9	24	3	0	0	1	0	0	0	0	37	2	35	20 (21 Apr)	5	6	30 Mar	7 Aug
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
61.	small wader	0	0	0	1	0	0	0	0	0	0	0	0	1	0	1	1 (30 Apr)	1	1	30 Apr	30 Apr
62.	large wader	0	0	0	0	0	0	0	0	0	0	3	0	3	0	3	3 (7 Nov)	1	1	7 Nov	7 Nov
63.	Curlew Sandpiper	0	0	0	1	2	0	0	2	0	0	0	0	5	2	3	2 (2 May)	2	3	30 Apr	7 Aug
64.	Sanderling	13	67	157	1083	862	0	2	28	12	19	42	0	2285	143	2142	425 (2 May)	49	64	21 Jan	18 Nov
65.	Dunlin	0	66	5800	2045	345	0	5	41	32	273	68	0	8675	427	8248	1829 (23 Mar)	55	72	12 Feb	18 Nov
66.	Purple Sandpiper	0	0	3	0	0	0	0	0	0	2	0	0	5	2	3	2 (21 Mar)	3	4	15 Mar	27 Oct
67.	Little Stint	0	0	0	0	0	0	0	1	0	0	0	0	1	1	0	1 (9 Aug)	1	1	9 Aug	9 Aug
68.	Little Tern	0	0	0	305	70	0	0	55	0	0	0	0	430	57	373	95 (20 Apr)	15	20	16 Apr	17 Aug
69.	Gull-billed Tern	0	0	0	0	0	0	0	2	1	0	0	0	3	3	0	2 (18 Aug)	2	2	18 Aug	11 Sep
70.	Caspian Tern	0	0	0	0	0	0	0	2	0	0	0	0	2	2	0	2 (11 Aug)	1	1	11 Aug	11 Aug
71.	Black Tern	0	0	0	218	117	0	1	2113	5	0	0	0	2454	2086	368	1985 (16 Aug)	17	22	20 Apr	30 Sep
72.	Arctic Tern	0	0	0	489	32	0	0	2	49	1	0	0	573	52	521	147 (22 Apr)	16	21	14 Apr	26 Oct
73.	Common/Arctic Tern	0	0	0	4935	5913	0	0	12008	1575	736	0	0	25167	13930	11237	9036 (16 Aug)	35	46	7 Apr	26 Oct
74.	Common Tern	0	1	20	3304	128	33	153	762	221	0	0	0	4622	1271	3351	615 (19 Apr)	33	43	26 Feb	30 Sep
75.	Sandwich Tern	0	0	127	2956	1288	86	61	3416	1861	686	0	0	10481	5610	4871	1021 (16 Aug)	65	84	6 Mar	26 Oct
76.	Little Gull	0	7	3117	44500	47367	0	0	16	25	26	8	0	95066	2847	92219	30611 (2 May)	53	69	25 Feb	7 Nov
77.	Kittiwake	4766	1	4	498	1	0	0	9	2	173	2284	102	7840	7182	658	3980 (21 Jan)	25	33	4 Jan	1 Dec
78.	Sabine's Gull	0	0	0	0	0	0	0	0	0	1	1	0	2	2	0	1 (26 Oct)	2	2	26 Oct	7 Nov
79.	Black-headed Gull	189	965	5811	2979	340	2	496	30843	469	5427	329	0	47850	35636	12214	14358 (7 Aug)	95	124	4 Jan	18 Nov
80.	Mediterranean Gull	0	0	8	28	2	0	2	62	1	0	1	0	104	67	37	26 (16 Aug)	25	33	16 Mar	7 Nov
81.	Common Gull	1025	1005	5048	9549	1801	27	59	1921	367	1431	1178	19	23430	5860	17570	1678 (22 Apr)	97	126	4 Jan	1 Dec
82.	Caspian Gull	0	0	1	2	0	0	0	0	1	0	0	0	4	1	3	1 (22 Mar)	3	4	22 Mar	30 Sep
83.	Herring Gull	175	862	1746	354	207	53	0	111	37	330	129	5	4009	1111	2898	260 (13 Mar)	65	84	4 Jan	1 Dec
84.	Great Black-backed Gull	69	85	168	238	75	1	4	43	81	217	82	7	1070	479	591	69 (19 Apr)	86	112	4 Jan	1 Dec
85.	Lesser Black-backed Gull	3	153	3524	5795	2530	99	298	5087	2495	1143	100	6	21233	9434	11799	1742 (16 Aug)	85	111	30 Jan	1 Dec
86.	Iceland Gull	0	0	0	4	0	0	0	0	0	1	0	0	5	2	3	1 (19 Apr)	4	5	19 Apr	24 Oct
87.	Long-tailed Skua	0	0	0	0	0	0	0	2	0	0	0	0	2	1	1	1 (16 Aug)	2	2	16 Aug	19 Aug
88.	skua sp.	0	0	0	0	0	0	0	10	10	8	9	0	37	30	7	9 (7 Nov)	10	13	16 Aug	7 Nov
89.	Arctic Skua	0	0	0	29	10	0	2	24	110	18	4	0	197	104	93	60 (29 Sep)	28	36	7 Apr	7 Nov
90.	Pomarine Skua	0	0	0	0	0	0	0	0	1	1	4	0	6	6	0	4 (7 Nov)	2	3	30 Sep	7 Nov
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
91.	Great Skua	0	0	0	0	2	0	1	0	2	2	5	0	12	11	1	5 (7 Nov)	5	7	4 May	7 Nov
92.	Puffin	0	0	0	0	0	0	0	0	0	1	0	0	1	0	1	1 (21 Oct)	1	1	21 Oct	21 Oct
93.	Razorbill	4	10	3	0	0	0	0	0	4	25	1	0	47	25	22	9 (17 Feb)	13	17	11 Jan	18 Nov
94.	Razorbill/Guillemot	5592	311	90	112	0	1	0	2	685	1149	311	4	8257	6311	1946	5359 (21 Jan)	50	65	4 Jan	1 Dec
95.	Little Auk	0	0	0	0	0	0	0	0	0	1	1	0	2	1	1	1 (15 Oct)	2	2	15 Oct	7 Nov
96.	Guillemot	27	19	7	4	0	0	0	0	77	57	6	0	197	98	99	46 (30 Sep)	25	33	4 Jan	18 Nov
97.	Red-throated Diver	590	873	2264	206	19	0	0	0	127	152	62	1	4294	1176	3118	845 (20 Mar)	79	103	11 Jan	1 Dec
98.	Black-throated Diver	2	1	10	45	2	0	0	0	0	1	1	0	62	2	60	16 (8 Apr)	19	25	17 Jan	1 Nov
99.	Great Northern Diver	0	0	1	2	1	0	0	0	0	0	0	0	4	0	4	1 (14 Mar)	3	4	14 Mar	8 May
100.	diver sp.	36	234	319	200	25	0	0	0	10	68	27	0	919	211	708	76 (12 Feb)	66	86	11 Jan	18 Nov
101.	Leach's Petrel	0	0	0	1	0	0	0	0	4	0	0	0	5	5	0	3 (29 Sep)	2	3	7 Apr	29 Sep
102.	Fulmar	0	0	1	43	5	0	0	0	1	0	0	0	50	6	44	34 (7 Apr)	8	10	13 Mar	30 Sep
103.	Sooty Shearwater	0	0	0	0	0	0	0	0	18	3	3	1	25	24	1	12 (23 Sep)	5	6	23 Sep	1 Dec
104.	Manx Shearwater	0	0	0	0	3	0	0	0	3	0	0	0	6	6	0	3 (4 May)	3	4	4 May	30 Sep
105.	shearwater sp.	0	0	0	0	0	0	0	0	0	1	0	0	1	1	0	1 (6 Oct)	1	1	6 Oct	6 Oct
106.	Gannet	172	24	262	414	58	2	94	143	1393	156	327	30	3075	2012	1063	1178 (29 Sep)	73	95	4 Jan	1 Dec
107.	Cormorant	390	1590	3770	4709	1636	76	561	1512	1319	1851	203	4	17621	7792	9829	623 (25 Feb)	95	123	4 Jan	1 Dec
108.	Spoonbill	0	0	1	108	0	0	0	0	0	414	0	0	523	414	109	414 (2 Oct)	8	10	15 Mar	2 Oct
109.	Great White Egret	0	6	0	0	0	0	0	3	0	1	0	0	10	9	1	5 (22 Feb)	3	4	6 Feb	24 Oct
110.	Grey Heron	2	2	9	16	1	0	0	0	0	2	0	0	32	6	26	6 (28 Apr)	12	16	30 Jan	2 Oct
111.	Sparrowhawk	0	0	0	0	0	0	0	1	0	3	0	0	4	4	0	3 (24 Oct)	2	2	4 Aug	24 Oct
112.	Marsh Harrier	0	0	0	4	1	0	0	1	0	0	0	0	6	1	5	4 (28 Apr)	2	3	28 Apr	19 Aug
113.	Hen Harrier	0	1	0	1	0	0	0	0	0	1	0	0	3	3	0	1 (13 Feb)	2	3	13 Feb	26 Oct
114.	Common Buzzard	0	0	0	1	0	0	0	0	1	0	0	0	2	1	1	1 (19 Apr)	2	2	19 Apr	30 Sep
115.	Kestrel	0	0	0	1	0	0	0	1	2	0	0	0	4	3	1	1 (10 Apr)	3	4	10 Apr	30 Sep
116.	Peregrine	0	1	0	0	0	0	0	0	1	0	0	0	2	2	0	1 (23 Feb)	2	2	23 Feb	30 Sep
117.	Jackdaw	0	0	5	0	0	0	0	0	0	0	0	0	5	0	5	5 (24 Mar)	1	1	24 Mar	24 Mar
118.	Carrion Crow	0	3	6	0	0	0	0	0	0	0	0	0	9	3	6	3 (9 Feb)	3	4	9 Feb	9 Mar
119.	Wood Lark	0	0	0	0	0	0	0	0	1	0	0	0	1	1	0	1 (30 Sep)	1	1	30 Sep	30 Sep
120.	Skylark	0	30	1	1	0	0	0	0	0	54	18	0	104	95	9	48 (26 Oct)	9	12	8 Feb	18 Nov
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
121.	Sand Martin	0	0	1	0	0	0	0	1	0	0	0	0	2	1	1	1 (31 Mar)	2	2	31 Mar	5 Aug
122.	Swallow	0	0	4	9	2	0	0	15	0	0	0	0	30	22	8	8 (4 Aug)	8	10	28 Mar	11 Aug
123.	Starling	0	30	653	0	0	0	0	0	0	9500	1147	0	11330	10271	1059	9500 (26 Oct)	8	10	8 Feb	5 Nov
124.	Song Thrush	0	0	0	0	0	0	0	0	0	3	0	0	3	3	0	3 (26 Oct)	1	1	26 Oct	26 Oct
125.	Redwing	0	0	2	0	0	0	0	0	0	21	0	0	23	21	2	20 (26 Oct)	2	3	23 Mar	26 Oct
126.	Fieldfare	0	3	0	0	0	0	0	0	0	0	0	0	3	3	0	3 (9 Feb)	1	1	9 Feb	9 Feb
127.	Blue-headed Wagtail	0	0	1	3	0	0	0	0	0	0	0	0	4	0	4	2 (19 Apr)	2	3	31 Mar	26 Apr
128.	Yellow wagtail sp.	0	0	0	8	1	0	0	0	0	0	0	0	9	0	9	5 (23 Apr)	3	4	14 Apr	6 May
129.	Grey Wagtail	0	0	0	0	0	0	0	1	0	5	0	0	6	5	1	4 (26 Oct)	2	3	5 Aug	26 Oct
130.	White Wagtail	0	1	26	4	0	0	0	0	1	0	0	0	32	13	19	8 (31 Mar)	8	11	25 Feb	16 Sep
131.	alba wagtail sp.	0	8	81	26	1	1	0	3	9	3	0	0	132	23	109	8 (9 Mar)	33	43	22 Feb	26 Oct
132.	Meadow Pipit	0	69	61	63	2	0	0	11	116	119	7	0	448	282	166	110 (26 Oct)	39	51	8 Feb	5 Nov
133.	Tree Pipit	0	0	3	0	0	0	0	0	0	0	0	0	3	0	3	3 (31 Mar)	1	1	31 Mar	31 Mar
134.	Rock Pipit	0	0	0	0	0	0	0	0	2	2	0	0	4	4	0	2 (30 Sep)	2	3	30 Sep	14 Oct
135.	Rock Pipit/Water Pipit	0	2	0	0	0	0	0	0	0	1	1	0	4	2	2	1 (17 Feb)	3	4	17 Feb	5 Nov
136.	Chaffinch	0	0	1	0	0	0	0	0	0	1250	10	0	1261	1260	1	1250 (26 Oct)	2	3	23 Mar	1 Nov
137.	Greenfinch	0	0	1	1	0	0	0	0	0	2	0	0	4	3	1	2 (26 Oct)	2	3	31 Mar	26 Oct
138.	Linnet	0	0	1	9	2	0	0	0	0	0	0	0	12	0	12	4 (19 Apr)	5	7	9 Mar	6 May
139.	Lesser Redpoll	0	0	0	3	0	0	0	0	0	0	0	0	3	0	3	3 (21 Apr)	1	1	21 Apr	21 Apr
140.	Goldfinch	0	0	2	5	0	0	0	0	0	2	1	0	10	5	5	2 (19 Apr)	5	7	26 Mar	18 Nov
141.	Siskin	0	0	1	4	0	0	0	0	0	77	0	0	82	78	4	77 (26 Oct)	2	3	30 Mar	26 Oct
142.	Reed Bunting	0	2	0	1	1	0	0	0	0	2	0	0	6	3	3	1 (18 Feb)	5	6	18 Feb	26 Oct
	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	4	13	50	22	1	0	0	5	3	1	0	0	99	27	72	18 (6 Mar)	29	38	4 Jan	27 Oct
2.	Grey seal	0	1	1	0	0	0	0	1	1	0	0	0	4	3	1	1 (18 Feb)	3	4	18 Feb	23 Sep
3.	Common Seal	0	0	2	1	0	0	1	0	0	0	0	0	4	2	2	1 (6 Mar)	3	4	6 Mar	29 Jul
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
	Totals	15036	17099	61114	115366	69482	432	2132	59222	11791	27947	7144	209	386974	125420	261554		100	130
	Observation hours	11:55	29:00	79:00	93:05	29:35	2:00	4:00	44:30	26:45	39:30	11:30	3:00	373:50

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Totals Bloemendaal aan Zee 2021