Also present

Totals Egmond aan Zee 2023

	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	54	232	1305	750	914	56	0	0	14	1415	959	90	5789	2392	3397	810 (31 Oct)	49	78	12 Jan	30 Dec
2.	Pale-bellied Brent Goose	0	0	0	1	0	0	0	0	0	0	0	0	1	0	1	1 (13 Apr)	1	1	13 Apr	13 Apr
3.	Canada Goose	0	0	3	5	0	57	2	0	17	0	0	0	84	26	58	30 (11 Jun)	6	9	15 Mar	16 Sep
4.	Barnacle Goose	0	0	488	1357	7	53	1	0	0	7	2	48	1963	236	1727	640 (22 Apr)	16	26	9 Mar	14 Dec
5.	Branta leucopsis x ?	0	0	0	2	0	0	0	0	0	0	0	0	2	0	2	2 ( 5 Apr)	1	1	5 Apr	5 Apr
6.	Greylag Goose	2	0	76	146	6	13	5	47	145	14	6	13	473	306	167	60 (14 Sep)	31	49	22 Jan	14 Dec
7.	Anser sp.	0	0	0	0	0	0	0	0	0	0	3	0	3	0	3	3 (19 Nov)	1	1	19 Nov	19 Nov
8.	goose sp.	0	0	0	0	0	0	0	0	0	0	60	0	60	60	0	60 (11 Nov)	1	1	11 Nov	11 Nov
9.	Domestic Goose	0	0	1	0	0	0	0	3	0	0	0	0	4	3	1	3 (11 Aug)	1	2	17 Mar	11 Aug
10.	Tundra Bean Goose	3	0	0	0	0	0	0	0	0	1	0	0	4	1	3	3 (26 Jan)	1	2	26 Jan	21 Oct
11.	Eurasian White-fronted Goose	34	0	0	0	0	0	0	0	0	25	35	0	94	94	0	35 (22 Nov)	3	4	28 Jan	22 Nov
12.	Mute Swan	0	0	0	0	0	0	0	0	2	1	0	0	3	3	0	2 ( 5 Sep)	1	2	5 Sep	30 Oct
13.	Bewick's Swan	0	0	0	0	0	0	0	0	0	0	4	0	4	4	0	4 (18 Nov)	1	1	18 Nov	18 Nov
14.	Egyptian Goose	5	0	30	93	3	0	2	3	8	2	3	2	151	40	111	35 (18 Apr)	18	28	26 Jan	14 Dec
15.	Shelduck	13	6	56	123	242	864	915	56	61	79	189	16	2620	508	2112	433 ( 8 Jul)	54	85	21 Jan	22 Dec
16.	Ruddy Shelduck	0	0	0	0	0	3	0	0	6	0	0	0	9	6	3	4 ( 6 Sep)	2	3	22 Jun	10 Sep
17.	Garganey	0	0	3	8	0	2	1	0	0	0	0	0	14	2	12	4 (19 Apr)	4	6	30 Mar	8 Jul
18.	Shoveler	1	0	144	265	4	52	2	3	19	9	0	0	499	57	442	88 (28 Mar)	29	46	28 Jan	21 Oct
19.	Gadwall	0	0	19	29	20	20	13	2	6	4	1	0	114	58	56	16 (11 Jun)	20	32	18 Mar	22 Nov
20.	Wigeon	190	7	532	1773	0	0	0	1	97	271	220	63	3154	580	2574	1416 ( 2 Apr)	40	63	12 Jan	30 Dec
21.	Mallard	0	0	0	4	0	3	8	0	0	1	2	0	18	13	5	7 ( 8 Jul)	6	9	1 Apr	22 Nov
22.	Pintail	16	0	96	63	0	0	0	0	18	40	24	0	257	73	184	43 (14 Mar)	22	34	17 Jan	25 Nov
23.	Teal	13	0	305	937	4	52	16	26	81	111	70	0	1615	316	1299	288 ( 7 Apr)	46	72	22 Jan	26 Nov
24.	Pochard	0	0	0	3	0	0	0	0	3	0	0	0	6	3	3	3 ( 7 Apr)	1	2	7 Apr	6 Sep
25.	Tufted Duck	0	0	6	30	6	3	13	2	8	5	12	0	85	32	53	8 ( 8 Jul)	19	30	15 Mar	22 Nov
26.	Scaup	0	0	9	1	0	0	0	4	2	3	8	0	27	5	22	9 (15 Mar)	4	6	15 Mar	22 Nov
27.	Eider	23	9	171	209	12	1	5	0	26	66	108	4	634	338	296	56 (16 Nov)	47	74	17 Jan	22 Dec
28.	Velvet Scoter	11	0	12	36	0	0	0	0	0	6	9	37	111	48	63	22 ( 7 Apr)	16	25	12 Jan	30 Dec
29.	Common Scoter	22644	455	8951	12142	1310	504	125	167	707	3624	6389	3024	60042	32810	27232	11514 (26 Jan)	97	154	12 Jan	30 Dec
30.	Long-tailed Duck	0	0	1	0	0	0	0	0	0	1	1	2	5	0	5	2 (14 Dec)	3	4	28 Mar	14 Dec
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
31.	Goldeneye	0	0	0	0	0	0	4	0	0	12	3	0	19	17	2	6 (21 Oct)	5	8	8 Jul	18 Nov
32.	Goosander	0	0	2	3	0	0	0	0	0	4	8	0	17	15	2	5 (22 Nov)	4	6	26 Mar	22 Nov
33.	Red-breasted Merganser	6	0	70	279	9	20	2	1	12	56	22	7	484	136	348	64 ( 7 Apr)	44	69	17 Jan	24 Dec
34.	Swift	0	0	0	0	0	22	65	0	0	0	0	0	87	71	16	42 (11 Jul)	6	10	9 Jun	11 Jul
35.	Cuckoo	0	0	0	0	1	0	0	0	0	0	0	0	1	0	1	1 (29 May)	1	1	29 May	29 May
36.	Woodpigeon	0	0	3	0	0	0	0	0	0	0	0	0	3	0	3	3 (17 Mar)	1	1	17 Mar	17 Mar
37.	Collared Dove	0	0	0	0	0	0	0	0	2	0	0	0	2	2	0	2 (26 Sep)	1	1	26 Sep	26 Sep
38.	Red-necked Grebe	0	0	0	0	0	0	0	0	0	0	3	0	3	1	2	1 (22 Nov)	2	3	22 Nov	26 Nov
39.	Great Crested Grebe	198	7	5	30	7	9	6	15	29	52	107	14	479	262	217	65 (22 Jan)	55	87	12 Jan	30 Dec
40.	Slavonian Grebe	0	0	1	0	0	0	0	0	0	0	0	0	1	0	1	1 (28 Mar)	1	1	28 Mar	28 Mar
41.	Oystercatcher	1	3	67	102	192	90	41	30	5	3	2	5	541	167	374	28 (19 May)	54	85	28 Jan	30 Dec
42.	Avocet	0	0	25	16	6	22	11	0	0	0	0	0	80	4	76	25 (28 Mar)	9	15	28 Mar	18 Jul
43.	Grey Plover	0	0	3	212	85	49	2	24	3	50	2	0	430	78	352	72 (21 Apr)	28	45	14 Mar	24 Nov
44.	Golden Plover	0	0	0	0	0	15	2	0	7	0	1	0	25	22	3	9 (13 Jun)	5	8	11 Jun	18 Nov
45.	Ringed Plover	0	0	1	6	21	16	0	12	261	51	0	0	368	322	46	203 ( 1 Sep)	13	21	9 Mar	17 Oct
46.	Lapwing	0	0	0	0	0	0	20	0	0	0	0	0	20	20	0	20 ( 8 Jul)	1	1	8 Jul	8 Jul
47.	Whimbrel	0	0	0	126	22	0	12	6	5	0	0	0	171	23	148	50 (21 Apr)	16	26	13 Apr	6 Sep
48.	Curlew	0	0	37	118	10	16	72	5	15	7	2	0	282	110	172	40 (18 Apr)	32	51	9 Mar	11 Nov
49.	Bar-tailed Godwit	0	0	0	1874	6	7	4	2	4	10	1	1	1909	19	1890	910 (26 Apr)	19	30	7 Apr	22 Dec
50.	Snipe	0	0	0	0	0	0	0	0	37	0	0	0	37	37	0	20 (25 Sep)	4	6	5 Sep	28 Sep
51.	Common Sandpiper	0	0	0	2	0	0	0	0	1	0	0	0	3	1	2	2 (22 Apr)	1	2	22 Apr	8 Sep
52.	Green Sandpiper	0	0	0	1	0	0	0	0	0	1	0	0	2	1	1	1 (21 Apr)	1	2	21 Apr	19 Oct
53.	Redshank	0	0	1	73	15	6	1	6	4	0	0	0	106	9	97	46 (21 Apr)	10	16	27 Mar	8 Sep
54.	Spotted Redshank	0	0	0	0	0	0	0	0	1	0	0	0	1	1	0	1 ( 7 Sep)	1	1	7 Sep	7 Sep
55.	Greenshank	0	0	0	17	2	0	0	0	0	0	0	0	19	0	19	10 (20 Apr)	2	3	20 Apr	21 May
56.	Turnstone	0	0	0	1	14	0	0	21	6	0	4	0	46	27	19	14 (31 Aug)	8	13	26 Apr	16 Nov
57.	Knot	5	0	135	153	162	6	19	13	67	150	54	0	764	259	505	73 ( 9 Mar)	27	43	28 Jan	18 Nov
58.	Ruff	0	0	0	0	0	1	0	5	5	0	0	0	11	11	0	5 (15 Aug)	2	3	10 Jun	29 Sep
59.	Sanderling	29	0	29	130	844	184	21	58	9	125	2	10	1441	39	1402	138 (19 May)	34	53	22 Jan	14 Dec
60.	Dunlin	0	0	1111	266	24	2	9	3	61	257	87	0	1820	388	1432	639 ( 9 Mar)	42	66	8 Mar	26 Nov
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
61.	Purple Sandpiper	0	0	0	0	0	0	0	0	0	0	3	0	3	0	3	3 (15 Nov)	1	1	15 Nov	15 Nov
62.	Little Stint	0	0	0	0	0	0	1	0	0	3	0	0	4	4	0	3 ( 1 Oct)	1	2	8 Jul	1 Oct
63.	Calidris sp.	0	0	0	0	0	0	0	0	0	41	13	0	54	54	0	41 (14 Oct)	1	2	14 Oct	11 Nov
64.	Little Tern	0	0	0	17	70	21	2	29	0	0	0	0	139	26	113	16 (16 May)	18	28	11 Apr	27 Aug
65.	Caspian Tern	0	0	0	0	0	1	0	1	2	0	0	0	4	4	0	2 (16 Sep)	2	3	10 Jun	16 Sep
66.	Black Tern	0	0	0	1	237	107	6	54	8	2	0	0	415	69	346	117 (28 May)	25	40	17 Apr	29 Oct
67.	Arctic Tern	0	0	0	1	7	7	0	2	2	2	2	0	23	9	14	4 (20 May)	9	14	14 Apr	11 Nov
68.	Common/Arctic Tern	0	0	0	4363	7336	3794	2159	6295	25923	109	1	0	49980	36095	13885	4300 ( 6 Sep)	56	88	3 Apr	11 Nov
69.	Common Tern	0	0	2	179	276	922	105	12	0	1	0	0	1497	561	936	321 ( 7 Jun)	17	27	27 Mar	1 Oct
70.	Sandwich Tern	0	0	22	1363	1261	1611	1617	1503	2957	836	41	0	11211	7630	3581	679 (28 Sep)	75	119	18 Mar	25 Nov
71.	Little Gull	13	0	10817	18993	1359	37	1	3	2	191	242	14	31672	7450	24222	5213 (26 Mar)	56	89	15 Jan	30 Dec
72.	Kittiwake	1660	23	1	1	9	2	1	1	1	85	1455	568	3807	3117	690	1010 (19 Jan)	36	57	12 Jan	30 Dec
73.	Black-headed Gull	212	25	1083	890	791	3033	5737	663	993	1808	594	184	16013	11562	4451	2702 ( 8 Jul)	94	149	12 Jan	30 Dec
74.	Mediterranean Gull	0	0	4	3	4	45	30	2	1	4	4	1	98	55	43	15 ( 8 Jul)	24	38	23 Mar	14 Dec
75.	Common Gull	206	16	0	0	0	0	0	160	442	254	389	0	1467	846	621	308 ( 7 Sep)	17	27	15 Jan	19 Nov
76.	Caspian Gull	1	0	0	0	0	0	0	0	0	2	5	1	9	8	1	4 ( 3 Nov)	3	5	28 Jan	14 Dec
77.	Herring Gull	4	98	0	0	0	0	0	0	0	0	0	0	102	2	100	98 (12 Feb)	1	2	17 Jan	12 Feb
78.	Yellow-legged Gull	0	0	0	0	0	0	0	0	1	0	0	0	1	1	0	1 (25 Sep)	1	1	25 Sep	25 Sep
79.	Great Black-backed Gull	36	6	12	48	36	5	2	23	96	402	182	59	907	666	241	99 (14 Oct)	68	108	12 Jan	30 Dec
80.	Lesser Black-backed Gull	12	15	818	2026	0	0	0	30	0	0	25	12	2938	759	2179	364 ( 4 Apr)	34	53	12 Jan	22 Dec
81.	Iceland Gull	0	0	0	0	0	1	0	0	0	0	0	0	1	1	0	1 (11 Jun)	1	1	11 Jun	11 Jun
82.	Long-tailed Skua	0	0	0	0	0	0	0	0	0	1	0	0	1	1	0	1 (30 Oct)	1	1	30 Oct	30 Oct
83.	skua sp.	0	0	0	0	0	0	0	1	1	8	4	0	14	10	4	4 ( 3 Oct)	7	11	31 Aug	11 Nov
84.	Arctic Skua	0	0	1	12	4	0	0	11	116	99	21	2	266	194	72	33 (28 Sep)	30	48	30 Mar	16 Dec
85.	Pomarine Skua	0	0	0	0	0	1	0	0	0	3	0	0	4	1	3	1 (30 Jun)	3	4	30 Jun	21 Oct
86.	Great Skua	0	0	0	0	0	0	0	0	1	4	12	2	19	15	4	4 ( 5 Nov)	9	14	29 Sep	30 Dec
87.	Puffin	1	0	0	0	0	0	0	0	0	0	1	0	2	0	2	1 (17 Jan)	1	2	17 Jan	5 Nov
88.	Razorbill	9	0	0	0	0	0	0	1	27	105	19	6	167	113	54	30 ( 3 Oct)	23	36	12 Jan	30 Dec
89.	Razorbill/Guillemot	231	1	1	2	3	1	0	5	666	811	397	525	2643	1476	1167	302 (30 Dec)	45	71	12 Jan	30 Dec
90.	Guillemot	3	0	0	1	1	1	0	0	39	33	15	8	101	79	22	17 (28 Sep)	16	26	12 Jan	30 Dec
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
91.	Red-throated Diver	498	74	156	89	12	1	2	2	168	427	695	1205	3329	2561	768	922 (14 Dec)	64	101	12 Jan	30 Dec
92.	Black-throated Diver	0	0	3	14	1	0	0	0	1	3	1	1	24	4	20	6 (26 Apr)	9	14	28 Mar	14 Dec
93.	Great Northern Diver	0	0	0	0	0	0	0	0	0	0	2	0	2	1	1	1 (14 Nov)	1	2	14 Nov	25 Nov
94.	diver sp.	191	13	74	51	4	0	0	0	16	133	277	167	926	636	290	145 (16 Nov)	45	71	12 Jan	30 Dec
95.	storm-petrel sp.	0	0	0	0	0	0	0	0	0	1	0	0	1	1	0	1 ( 3 Oct)	1	1	3 Oct	3 Oct
96.	Fulmar	0	0	0	0	1	0	0	0	0	0	1	1	3	0	3	1 (20 May)	2	3	20 May	22 Dec
97.	Sooty Shearwater	0	0	0	0	0	0	0	0	10	10	0	0	20	14	6	8 (28 Sep)	4	6	19 Sep	14 Oct
98.	Manx Shearwater	0	0	0	0	0	0	0	0	1	11	0	0	12	4	8	11 ( 3 Oct)	1	2	28 Sep	3 Oct
99.	Balearic Shearwater	0	0	0	0	0	0	0	0	0	1	0	0	1	1	0	1 ( 6 Oct)	1	1	6 Oct	6 Oct
100.	Gannet	56	2	25	111	39	31	7	148	1858	2014	154	253	4698	3782	916	548 (28 Sep)	74	117	12 Jan	30 Dec
101.	Cormorant	442	20	199	1103	991	1897	1285	316	1341	636	640	4894	13764	4517	9247	976 (16 Dec)	97	154	12 Jan	30 Dec
102.	Spoonbill	0	0	0	0	0	0	3	8	212	0	7	0	230	227	3	90 (26 Sep)	6	9	11 Jul	16 Nov
103.	Little Egret	0	0	0	0	2	0	0	1	1	0	0	0	4	2	2	2 (24 May)	2	3	24 May	6 Sep
104.	Great White Egret	0	0	0	0	0	0	1	0	9	12	0	0	22	22	0	9 (17 Oct)	4	7	8 Jul	18 Oct
105.	Grey Heron	0	0	0	2	1	6	33	2	86	19	0	0	149	137	12	30 ( 8 Jul)	14	22	22 Apr	19 Oct
106.	Osprey	0	0	0	0	0	0	0	0	1	0	0	0	1	1	0	1 (28 Sep)	1	1	28 Sep	28 Sep
107.	Sparrowhawk	0	0	0	0	0	0	0	2	0	2	0	0	4	4	0	2 (24 Aug)	2	3	24 Aug	19 Oct
108.	Marsh Harrier	0	0	0	1	0	0	0	0	0	0	0	0	1	0	1	1 (18 Apr)	1	1	18 Apr	18 Apr
109.	White-tailed Eagle	0	0	1	0	0	0	0	0	0	0	0	0	1	0	1	1 ( 9 Mar)	1	1	9 Mar	9 Mar
110.	Common Buzzard	0	0	0	0	0	0	2	0	0	0	0	0	2	2	0	2 ( 8 Jul)	1	1	8 Jul	8 Jul
111.	Kestrel	0	0	0	0	0	0	0	4	6	0	0	0	10	10	0	3 (14 Sep)	4	7	16 Aug	26 Sep
112.	Peregrine	0	0	0	1	0	0	0	1	1	0	0	0	3	0	3	1 ( 8 Apr)	2	3	8 Apr	19 Sep
113.	Jackdaw	0	0	4	4	0	0	0	0	0	87	0	0	95	91	4	85 (17 Oct)	3	4	18 Mar	18 Oct
114.	Rook	0	0	0	6	0	0	0	0	0	0	0	0	6	5	1	4 (14 Apr)	2	3	5 Apr	14 Apr
115.	Carrion Crow	0	0	0	6	0	0	0	0	0	0	0	0	6	4	2	2 ( 2 Apr)	3	4	2 Apr	14 Apr
116.	Great Tit	0	0	0	0	0	0	0	0	0	10	0	0	10	10	0	10 (18 Oct)	1	1	18 Oct	18 Oct
117.	Wood Lark	0	0	0	0	0	0	0	0	4	1	0	0	5	5	0	2 (26 Sep)	3	4	7 Sep	17 Oct
118.	Skylark	0	0	2	1	0	0	0	0	1	649	0	0	653	650	3	599 (17 Oct)	6	10	9 Mar	30 Oct
119.	Sand Martin	0	0	0	5	0	1	0	0	2	0	0	0	8	4	4	2 (15 Apr)	3	5	15 Apr	7 Sep
120.	Swallow	0	0	0	4	142	17	1	39	137	1	0	0	341	233	108	92 ( 7 Sep)	20	32	22 Apr	17 Oct
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
121.	House Martin	0	0	0	0	6	0	0	4	16	0	0	0	26	21	5	13 ( 7 Sep)	4	7	10 May	7 Sep
122.	Chiffchaff	0	0	0	2	0	0	0	0	1	0	0	0	3	1	2	2 ( 8 Apr)	1	2	8 Apr	4 Sep
123.	Starling	0	0	139	0	0	8778	725	0	0	20220	36353	0	66215	66077	138	15927 (28 Oct)	18	28	14 Mar	22 Nov
124.	Song Thrush	0	0	0	0	0	0	0	0	0	20	0	0	20	20	0	12 (17 Oct)	3	5	17 Oct	25 Oct
125.	Redwing	0	0	0	0	0	0	0	0	0	1650	0	0	1650	1650	0	1600 (17 Oct)	3	4	17 Oct	21 Oct
126.	Fieldfare	0	0	0	0	0	0	0	0	0	71	0	0	71	71	0	60 (18 Oct)	1	2	18 Oct	28 Oct
127.	Yellow wagtail sp.	0	0	0	16	5	1	1	188	199	0	0	0	410	389	21	133 (24 Aug)	23	37	14 Apr	30 Sep
128.	Grey Wagtail	0	0	0	0	0	0	0	0	11	30	0	0	41	41	0	6 (17 Oct)	9	14	25 Sep	30 Oct
129.	White Wagtail	0	0	0	0	0	3	0	0	0	0	0	0	3	0	3	2 (13 Jun)	1	2	3 Jun	13 Jun
130.	alba wagtail sp.	0	0	57	37	6	1	3	2	124	29	1	0	260	192	68	23 (17 Mar)	36	57	15 Mar	25 Nov
131.	Meadow Pipit	0	1	27	20	2	0	0	1	2666	257	24	0	2998	2973	25	1542 (26 Sep)	32	50	12 Feb	22 Nov
132.	Tree Pipit	0	0	0	2	0	0	0	0	4	0	0	0	6	4	2	1 ( 5 Apr)	4	6	5 Apr	14 Sep
133.	Rock Pipit	0	0	1	0	0	0	0	0	3	11	0	0	15	14	1	9 (15 Oct)	4	7	15 Mar	15 Oct
134.	Rock Pipit/Water Pipit	0	0	0	0	0	0	0	0	0	11	0	0	11	11	0	4 (18 Oct)	3	5	17 Oct	28 Oct
135.	Chaffinch	0	0	0	0	0	0	0	0	31	1900	5	0	1936	1936	0	880 (17 Oct)	7	11	26 Sep	22 Nov
136.	Brambling	0	0	0	0	0	0	0	0	1	21	0	0	22	22	0	12 (18 Oct)	4	6	25 Sep	25 Oct
137.	Greenfinch	0	0	0	0	0	0	0	0	0	3	3	0	6	6	0	3 ( 9 Nov)	2	3	17 Oct	9 Nov
138.	Linnet	0	0	2	71	25	17	1	5	317	15	0	0	453	372	81	118 (26 Sep)	24	38	18 Mar	18 Oct
139.	redpoll sp.	0	0	0	1	0	0	0	0	0	4	54	1	60	59	1	50 (22 Nov)	4	6	2 Apr	7 Dec
140.	Crossbill	0	0	0	0	0	15	0	0	0	0	0	0	15	15	0	15 (11 Jun)	1	1	11 Jun	11 Jun
141.	Goldfinch	0	0	3	5	2	1	0	0	5	5	1	2	24	15	9	3 (15 Apr)	11	17	15 Mar	7 Dec
142.	Siskin	0	0	0	1	0	0	0	0	108	302	7	0	418	417	1	96 (17 Oct)	9	15	19 Apr	22 Nov
143.	Snow Bunting	0	0	0	0	0	0	0	0	0	0	1	0	1	1	0	1 (22 Nov)	1	1	22 Nov	22 Nov
144.	Reed Bunting	0	0	0	0	0	0	0	0	5	9	0	0	14	14	0	6 (18 Oct)	3	4	26 Sep	25 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	12	1	1	0	5	1	3	0	3	14	3	5	48	26	22	5 (24 Jan)	18	28	12 Jan	30 Dec
2.	Humpback whale	0	0	0	1	0	0	0	0	0	0	0	0	1	0	1	1 (15 Apr)	1	1	15 Apr	15 Apr
3.	Grey seal	2	0	0	0	0	0	0	0	0	0	0	0	2	0	2	2 (17 Jan)	1	1	17 Jan	17 Jan
4.	bat sp.	0	0	0	0	0	0	0	0	1	0	0	0	1	1	0	1 (10 Sep)	1	1	10 Sep	10 Sep
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
	Totals	26837	1014	27153	50840	16586	22507	13127	10034	40382	39856	50057	11247	309640	198140	111500		100	158
	Observation hours	14:20	4:00	17:30	38:00	20:00	19:30	10:00	13:00	23:00	38:30	23:50	12:30	234:10

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Totals Egmond aan Zee 2023