Totals Castricum aan Zee (zeetrek) 2010 - 2019

	Species	2010	2011	2012	2013	2014	2015	2016	2017	2018	2019	Totals	Average	Present	Year Maximum
1.	Dark-bellied Brent Goose	55	4378	3050	4753	8619	7301	4336	4620	5160	5710	47982	4798	2	8619 (2014)
2.	Pale-bellied Brent Goose	0	0	0	0	0	0	1	2	0	0	3	0.3	0	2 (2017)
3.	Black Brant	0	0	0	0	0	0	1	0	0	0	1	0.1	0	1 (2016)
4.	Canada Goose	0	0	2	1	0	5	18	33	7	16	82	8.2	0	33 (2017)
5.	Barnacle Goose	95	538	130	480	187	264	424	1133	3858	3162	10271	1027	0	3858 (2018)
6.	Bar-headed Goose	0	0	0	0	0	0	0	0	0	2	2	0.2	0	2 (2019)
7.	Snow Goose	0	0	0	0	0	0	0	0	1	0	1	0.1	0	1 (2018)
8.	Greylag Goose	5	109	132	198	143	133	118	231	161	137	1367	137	23	231 (2017)
9.	Anser sp.	0	0	0	3	2	4	10	0	0	0	19	1.9	0	10 (2016)
10.	goose sp.	0	378	24	660	845	33	0	520	98	450	3008	301	0	845 (2014)
11.	Domestic Goose	0	0	2	0	0	0	0	7	0	1	10	1	0	7 (2017)
12.	Pink-footed Goose	0	62	29	0	0	0	220	4	74	51	440	44	0	220 (2016)
13.	Tundra Bean Goose	0	53	0	0	52	12	43	0	12	1	173	17	0	53 (2011)
14.	Bean Goose sp.	0	0	0	0	0	0	0	0	0	4	4	0.4	0	4 (2019)
15.	Eurasian White-fronted Goose	0	56	1	104	5	32	5	42	89	8	342	34	1	104 (2013)
16.	Lesser White-fronted Goose	0	0	0	4	0	0	0	0	0	0	4	0.4	0	4 (2013)
17.	Mute Swan	0	0	1	5	0	11	28	20	26	12	103	10	0	28 (2016)
18.	Bewick's Swan	0	0	0	94	0	0	2	0	0	0	96	9.6	0	94 (2013)
19.	Whooper Swan	0	1	2	99	0	0	3	0	0	0	105	11	0	99 (2013)
20.	swan sp.	0	0	1	0	0	0	28	3	0	0	32	3.2	0	28 (2016)
21.	Egyptian Goose	8	14	23	11	46	24	19	95	49	108	397	40	0	108 (2019)
22.	Shelduck	46	526	277	923	866	319	670	1190	1701	1014	7532	753	0	1701 (2018)
23.	Ruddy Shelduck	0	0	0	0	0	0	3	0	0	0	3	0.3	0	3 (2016)
24.	Garganey	0	0	0	29	3	10	7	30	17	16	112	11	0	30 (2017)
25.	Shoveler	24	86	18	404	372	164	260	1077	564	1064	4033	403	1	1077 (2017)
26.	Gadwall	13	30	25	116	41	68	39	152	94	143	721	72	19	152 (2017)
27.	Wigeon	48	756	603	5830	994	743	1782	5144	2988	2127	21015	2102	416	5830 (2013)
28.	Mallard	3	44	33	60	44	20	13	34	72	26	349	35	1	72 (2018)
29.	Pintail	4	21	31	764	224	52	167	855	238	129	2485	249	0	855 (2017)
30.	Teal	63	353	423	3089	1956	911	896	3139	1988	1931	14749	1475	39	3139 (2017)
31.	duck sp.	0	9	5	27	104	0	5	7	42	7	206	21	0	104 (2014)
32.	Red-crested Pochard	0	0	0	0	0	0	0	1	0	4	5	0.5	0	4 (2019)
33.	Pochard	0	4	5	22	17	7	33	20	18	13	139	14	0	33 (2016)
34.	Tufted Duck	5	25	41	109	117	221	48	66	137	80	849	85	0	221 (2015)
35.	Scaup	0	18	26	39	22	26	34	77	38	16	296	30	0	77 (2017)
36.	Aythya sp.	0	0	0	0	0	0	0	0	20	0	20	2	0	20 (2018)
37.	Eider	60	835	1091	1241	524	290	629	593	415	438	6116	612	39	1241 (2013)
38.	Surf Scoter	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2014)
39.	Velvet Scoter	9	69	87	109	80	69	373	221	83	121	1221	122	12	373 (2016)
40.	Common Scoter	450	2817	7730	15047	15737	10642	29100	24735	16642	10858	133758	13376	6740	29100 (2016)
41.	Long-tailed Duck	1	1	2	5	3	2	12	11	7	5	49	4.9	1	12 (2016)
42.	Goldeneye	7	37	21	62	56	12	30	23	19	3	270	27	0	62 (2013)
43.	Smew	0	0	3	2	0	0	4	0	2	0	11	1.1	0	4 (2016)
44.	Goosander	0	11	14	29	10	4	4	4	10	8	94	9.4	1	29 (2013)
45.	Red-breasted Merganser	22	175	283	715	430	475	380	428	439	553	3900	390	2	715 (2013)
46.	Swift	0	11	3	6	1	24	5	68	0	13	131	13	0	68 (2017)
47.	Feral Pigeon	0	0	0	0	0	55	14	43	22	9	143	14	0	55 (2015)
48.	Stock Dove	0	0	0	0	0	0	0	0	0	2	2	0.2	0	2 (2019)
49.	Woodpigeon	0	0	0	0	0	0	1	0	0	0	1	0.1	0	1 (2016)
50.	Red-necked Grebe	2	5	12	11	9	9	4	4	6	6	68	6.8	4	12 (2012)
	Species	2010	2011	2012	2013	2014	2015	2016	2017	2018	2019	Totals	Average	Present	Year Maximum
51.	Great Crested Grebe	49	4264	850	3013	1069	1061	864	465	1324	571	13530	1353	2587	4264 (2011)
52.	Slavonian Grebe	0	2	1	1	1	0	1	2	5	0	13	1.3	2	5 (2018)
53.	Black-necked Grebe	0	0	0	0	0	0	0	1	2	0	3	0.3	0	2 (2018)
54.	Black-necked / Slavonian Grebe	0	1	5	0	1	2	1	0	0	0	10	1	0	5 (2012)
55.	grebe sp.	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2013)
56.	Oystercatcher	38	93	111	300	253	233	568	453	614	542	3205	321	18	614 (2018)
57.	Avocet	0	55	18	107	12	63	77	73	146	98	649	65	0	146 (2018)
58.	Lapwing	0	341	0	1037	18	0	5	3	224	30	1658	166	0	1037 (2013)
59.	Golden Plover	14	25	26	43	22	54	2	87	16	27	316	32	0	87 (2017)
60.	Pacific Golden Plover	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2014)
61.	Pluvialis dominica/fulva	0	0	0	0	2	0	0	0	0	0	2	0.2	0	2 (2014)
62.	Grey Plover	9	946	115	1045	347	98	646	418	222	603	4449	445	0	1045 (2013)
63.	Ringed Plover	2	329	44	64	89	60	377	237	185	133	1520	152	2	377 (2016)
64.	Little Ringed Plover	0	0	0	1	0	3	1	1	1	0	7	0.7	0	3 (2015)
65.	Kentish Plover	0	0	1	0	0	0	2	1	0	1	5	0.5	0	2 (2016)
66.	Whimbrel	2	80	41	144	178	114	309	400	98	430	1796	180	1	430 (2019)
67.	Curlew	33	49	168	1046	128	195	167	120	196	231	2333	233	0	1046 (2013)
68.	Bar-tailed Godwit	44	2033	74	1005	2098	1408	494	2110	137	558	9961	996	38	2110 (2017)
69.	Black-tailed Godwit	0	0	1	13	1	2	0	1	18	5	41	4.1	0	18 (2018)
70.	Icelandic Black-tailed Godwit	0	0	0	0	2	0	0	0	0	0	2	0.2	0	2 (2014)
71.	Turnstone	2	40	44	47	72	34	108	36	21	66	470	47	1	108 (2016)
72.	Knot	105	1154	278	2231	544	234	966	360	527	391	6790	679	1	2231 (2013)
73.	Ruff	0	1	1	24	13	2	21	33	50	126	271	27	0	126 (2019)
74.	wader sp.	2	41	29	156	30	35	547	635	29	396	1900	190	0	635 (2017)
75.	Curlew Sandpiper	0	0	0	0	1	0	4	17	6	5	33	3.3	0	17 (2017)
76.	Temminck's Stint	0	0	0	0	0	0	1	0	1	0	2	0.2	0	1 (2016)
77.	Sanderling	24	774	477	725	654	1035	3259	2741	1172	1544	12405	1241	504	3259 (2016)
78.	Dunlin	21	414	2435	6844	1498	2679	3443	2132	1654	2275	23395	2340	9	6844 (2013)
79.	Purple Sandpiper	0	1	3	9	6	3	1	5	0	0	28	2.8	0	9 (2013)
80.	Little Stint	0	0	0	0	6	0	9	8	2	2	27	2.7	0	9 (2016)
81.	Calidris sp.	0	36	92	348	124	32	791	624	115	38	2200	220	0	791 (2016)
82.	Woodcock	0	2	1	0	2	0	0	1	1	0	7	0.7	0	2 (2011)
83.	Jack Snipe	0	0	0	2	0	0	0	0	0	0	2	0.2	0	2 (2013)
84.	Snipe	0	0	15	37	10	7	15	5	21	8	118	12	0	37 (2013)
85.	Grey Phalarope	0	4	0	1	3	4	2	1	1	0	16	1.6	2	4 (2011)
86.	Common Sandpiper	1	0	2	3	3	2	3	0	5	3	22	2.2	0	5 (2018)
87.	Green Sandpiper	0	1	0	3	2	0	0	4	2	4	16	1.6	0	4 (2017)
88.	Redshank	16	19	14	195	64	19	67	62	111	117	684	68	0	195 (2013)
89.	Marsh Sandpiper	0	1	0	0	0	0	0	0	0	0	1	0.1	0	1 (2011)
90.	Wood Sandpiper	0	2	2	0	0	0	3	1	0	0	8	0.8	0	3 (2016)
91.	Spotted Redshank	0	7	0	0	1	0	3	1	0	12	24	2.4	0	12 (2019)
92.	Greenshank	1	54	7	33	12	3	9	15	9	23	166	17	0	54 (2011)
93.	Kittiwake	84	17772	21190	11257	2253	5213	2516	4237	2404	888	67814	6781	5163	21190 (2012)
94.	Sabine's Gull	0	5	0	0	0	0	0	3	1	0	9	0.9	0	5 (2011)
95.	Black-headed Gull	226	2642	2830	9016	7596	3269	12244	13158	6197	19710	76888	7689	781	19710 (2019)
96.	Little Gull	261	1092	528	6793	7645	6128	3653	16727	989	13790	57606	5761	3222	16727 (2017)
97.	Ross' Gull	0	1	0	0	0	0	0	0	0	0	1	0.1	0	1 (2011)
98.	Laughing Gull	0	0	0	0	0	0	0	0	0	1	1	0.1	0	1 (2019)
99.	Mediterranean Gull	3	8	7	23	7	8	23	44	35	98	256	26	2	98 (2019)
100.	Common Gull	251	2052	7387	11094	7126	7232	8612	8865	5304	11267	69190	6919	2541	11267 (2019)
	Species	2010	2011	2012	2013	2014	2015	2016	2017	2018	2019	Totals	Average	Present	Year Maximum
101.	Great Black-backed Gull	221	1349	1506	1334	785	1490	212	437	5	4	7343	734	122	1506 (2012)
102.	Glaucous Gull	1	2	1	0	1	0	0	0	0	0	5	0.5	0	2 (2011)
103.	Iceland Gull	0	0	0	1	0	1	2	2	0	2	8	0.8	0	2 (2016)
104.	Herring Gull	0	0	12	2	641	0	0	1	0	0	656	66	0	641 (2014)
105.	Caspian Gull	0	0	0	8	3	3	8	3	6	4	35	3.5	3	8 (2013)
106.	Yellow-legged Gull	0	1	1	1	1	1	2	3	2	1	13	1.3	0	3 (2017)
107.	Lesser Black-backed Gull	0	29	34	207	172	60	56	164	26	39	787	79	31	207 (2013)
108.	Gull-billed Tern	0	0	0	0	0	0	0	0	2	0	2	0.2	0	2 (2018)
109.	Caspian Tern	0	0	0	0	0	0	3	2	0	1	6	0.6	0	3 (2016)
110.	Sandwich Tern	637	2657	5087	4359	5653	2042	7654	11840	13461	10855	64245	6425	446	13461 (2018)
111.	Little Tern	63	75	21	135	633	152	218	184	107	298	1886	189	4	633 (2014)
112.	Common Tern	176	1312	4507	7937	4207	2564	4894	3100	2627	4106	35430	3543	353	7937 (2013)
113.	Arctic Tern	18	86	54	82	151	83	958	199	248	138	2017	202	44	958 (2016)
114.	Common/Arctic Tern	1943	2924	5339	4395	4305	1635	2170	5272	2153	7508	37644	3764	687	7508 (2019)
115.	White-winged Black Tern	0	0	0	5	0	0	0	0	0	0	5	0.5	0	5 (2013)
116.	Black Tern	26	339	35	86	130	50	112	321	99	353	1551	155	7	353 (2019)
117.	Great Skua	9	28	33	31	9	14	12	48	28	15	227	23	4	48 (2017)
118.	Pomarine Skua	2	109	25	27	30	21	8	16	13	39	290	29	4	109 (2011)
119.	Arctic Skua	14	166	24	70	48	51	31	78	52	61	595	60	5	166 (2011)
120.	S. parasiticus / pomarinus	0	0	0	0	0	0	1	0	0	3	4	0.4	0	3 (2019)
121.	Long-tailed Skua	0	3	3	4	2	0	1	3	0	0	16	1.6	1	4 (2013)
122.	skua sp.	3	52	7	26	8	12	3	22	16	15	164	16	2	52 (2011)
123.	Little Auk	0	2	5	13	1	2	8	2	0	0	33	3.3	3	13 (2013)
124.	Guillemot	4	47	366	127	550	84	634	232	45	205	2294	229	102	634 (2016)
125.	Razorbill	0	17	15	26	2	12	29	28	34	21	184	18	8	34 (2018)
126.	Razorbill/Guillemot	40	6818	23428	5078	2791	5075	4545	2009	3963	2072	55819	5582	977	23428 (2012)
127.	Black Guillemot	0	0	0	1	0	0	0	0	0	1	2	0.2	0	1 (2013)
128.	Puffin	0	2	4	0	2	0	3	1	0	1	13	1.3	2	4 (2012)
129.	Red-throated Diver	12	408	383	1894	1023	633	3420	410	901	519	9603	960	878	3420 (2016)
130.	Black-throated Diver	1	3	10	12	8	9	18	27	7	9	104	10	3	27 (2017)
131.	Great Northern Diver	0	0	1	1	2	1	2	2	0	1	10	1	0	2 (2014)
132.	diver sp.	34	2400	3918	8880	2355	886	1317	3041	3156	1736	27723	2772	960	8880 (2013)
133.	Great Northern/Yellow-billed Diver	0	0	0	0	0	0	0	0	1	0	1	0.1	0	1 (2018)
134.	Storm Petrel	0	1	0	0	0	0	0	2	0	0	3	0.3	0	2 (2017)
135.	storm-petrel sp.	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2017)
136.	Leach's Petrel	2	12	4	9	3	18	1	5	27	0	81	8.1	0	27 (2018)
137.	Fulmar	5	39	94	15	3	95	3	11	6	4	275	28	3	95 (2015)
138.	Sooty Shearwater	8	23	6	11	22	23	60	9	9	1	172	17	1	60 (2016)
139.	large shearwater sp.	0	1	1	0	0	0	0	0	0	0	2	0.2	0	1 (2011)
140.	Manx Shearwater	1	35	6	0	0	26	6	5	17	3	99	9.9	2	35 (2011)
141.	Balearic Shearwater	0	1	0	1	0	0	2	0	0	0	4	0.4	0	2 (2016)
142.	shearwater sp.	0	0	0	4	1	0	0	0	0	0	5	0.5	0	4 (2013)
143.	Gannet	234	1252	2014	1355	510	1978	1489	939	1759	516	12046	1205	167	2014 (2012)
144.	Cormorant	0	78	320	3268	27	88	203	450	226	0	4660	466	344	3268 (2013)
145.	Spoonbill	0	2	0	78	30	0	100	88	2	21	321	32	0	100 (2016)
146.	Grey Heron	0	10	6	11	37	2	26	6	11	27	136	14	0	37 (2014)
147.	Great White Egret	0	0	0	0	0	0	4	1	2	2	9	0.9	0	4 (2016)
148.	Little Egret	0	0	0	0	5	0	0	2	2	0	9	0.9	0	5 (2014)
149.	Osprey	0	0	0	0	0	2	0	2	0	1	5	0.5	0	2 (2015)
150.	Sparrowhawk	2	1	2	2	1	1	2	2	1	0	14	1.4	0	2 (2010)
	Species	2010	2011	2012	2013	2014	2015	2016	2017	2018	2019	Totals	Average	Present	Year Maximum
151.	Marsh Harrier	2	0	0	1	1	0	0	0	2	5	11	1.1	0	5 (2019)
152.	Hen Harrier	0	0	2	1	6	0	0	1	1	1	12	1.2	0	6 (2014)
153.	Rough-legged Buzzard	0	2	0	0	0	0	0	0	0	0	2	0.2	0	2 (2011)
154.	Common Buzzard	0	0	0	0	0	1	0	1	0	0	2	0.2	0	1 (2015)
155.	Short-eared Owl	0	0	2	0	2	0	1	1	0	1	7	0.7	1	2 (2012)
156.	Kestrel	0	0	0	1	6	1	0	7	3	0	18	1.8	0	7 (2017)
157.	Merlin	0	7	0	1	4	3	1	5	4	6	31	3.1	0	7 (2011)
158.	Hobby	0	0	0	1	0	0	0	1	0	1	3	0.3	0	1 (2013)
159.	Peregrine	1	6	4	5	2	2	7	4	4	4	39	3.9	0	7 (2016)
160.	Rose-ringed Parakeet	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2017)
161.	Jackdaw	0	0	0	0	0	0	0	6	0	0	6	0.6	0	6 (2017)
162.	Rook	0	0	0	1	0	1	4	2	1	1	10	1	0	4 (2016)
163.	Carrion Crow	0	0	0	0	0	0	2	0	0	0	2	0.2	0	2 (2016)
164.	Hooded Crow	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2014)
165.	Blue Tit	0	0	0	0	0	0	1	3	0	0	4	0.4	0	3 (2017)
166.	Skylark	0	17	0	0	6	4	14	695	0	21	757	76	0	695 (2017)
167.	Shore Lark	0	0	0	0	0	0	0	4	0	0	4	0.4	0	4 (2017)
168.	Sand Martin	0	0	0	3	0	0	12	7	3	15	40	4	0	15 (2019)
169.	Swallow	0	3	1	8	44	31	116	41	2	15	261	26	0	116 (2016)
170.	House Martin	0	0	0	0	1	1	0	0	0	4	6	0.6	0	4 (2019)
171.	Starling	0	1480	0	3465	1440	600	386	168	0	4	7543	754	0	3465 (2013)
172.	Mistle Thrush	0	0	0	0	0	4	0	0	0	0	4	0.4	0	4 (2015)
173.	Redwing	0	0	0	0	0	0	1	0	0	0	1	0.1	0	1 (2016)
174.	Blackbird	0	0	0	0	2	0	0	0	0	0	2	0.2	0	2 (2014)
175.	Fieldfare	0	0	0	0	0	0	0	0	710	0	710	71	0	710 (2018)
176.	Wheatear	0	1	0	0	0	0	0	0	0	0	1	0.1	0	1 (2011)
177.	Blue-headed Wagtail	0	0	0	1	0	5	2	0	0	3	11	1.1	0	5 (2015)
178.	Grey-headed Wagtail	0	0	0	0	0	0	0	0	1	0	1	0.1	0	1 (2018)
179.	Yellow wagtail sp.	0	0	0	0	0	11	1	9	2	0	23	2.3	0	11 (2015)
180.	Grey Wagtail	0	0	1	8	0	3	10	4	5	0	31	3.1	0	10 (2016)
181.	White Wagtail	0	0	0	4	0	34	35	0	2	25	100	10	1	35 (2016)
182.	alba wagtail sp.	0	0	0	1	3	7	24	53	18	7	113	11	0	53 (2017)
183.	Pied Wagtail	0	0	0	1	0	0	0	1	0	0	2	0.2	0	1 (2013)
184.	Meadow Pipit	0	0	0	0	4	0	8	2	0	0	14	1.4	0	8 (2016)
185.	Tree Pipit	0	0	0	0	0	0	1	1	2	0	4	0.4	0	2 (2018)
186.	Red-throated Pipit	0	0	0	0	0	0	1	0	0	0	1	0.1	0	1 (2016)
187.	Rock Pipit	0	0	0	2	0	0	10	3	1	2	18	1.8	0	10 (2016)
188.	Rock Pipit/Water Pipit	0	0	0	0	0	0	1	0	0	0	1	0.1	0	1 (2016)
189.	Brambling	0	0	0	0	0	0	0	1	0	1	2	0.2	0	1 (2017)
190.	Common Rosefinch	0	0	0	0	0	0	0	0	1	0	1	0.1	0	1 (2018)
191.	Greenfinch	0	0	0	0	0	0	2	0	0	0	2	0.2	0	2 (2016)
192.	Twite	0	0	0	0	0	0	0	0	2	0	2	0.2	0	2 (2018)
193.	Linnet	0	0	0	0	0	0	6	3	0	0	9	0.9	0	6 (2016)
194.	Mealy Redpoll	0	0	0	0	0	0	0	4	81	0	85	8.5	0	81 (2018)
195.	redpoll sp.	0	0	0	0	0	0	0	2	0	0	2	0.2	0	2 (2017)
196.	Serin	0	0	0	0	0	0	0	0	0	1	1	0.1	0	1 (2019)
197.	Siskin	0	0	0	0	0	0	0	2	0	0	2	0.2	0	2 (2017)
198.	Lapland Bunting	1	2	0	2	0	0	1	0	0	1	7	0.7	0	2 (2011)
199.	Snow Bunting	1	1	1	6	6	9	12	7	4	4	51	5.1	2	12 (2016)
200.	Yellowhammer	0	1	0	0	0	0	0	0	0	0	1	0.1	0	1 (2011)
	Species	2010	2011	2012	2013	2014	2015	2016	2017	2018	2019	Totals	Average	Present	Year Maximum
201.	Reed Bunting	0	0	0	0	1	0	1	8	0	0	10	1	1	8 (2017)
	Other species
1.	Harbour Porpoise	14	76	162	422	137	71	177	82	78	44	1263	126	53	422 (2013)
2.	Long-Finned Pilot Whale	0	0	0	0	0	10	0	0	0	0	10	1	0	10 (2015)
3.	Humpback whale	0	0	1	1	0	0	0	0	0	0	2	0.2	0	1 (2012)
4.	whale sp.	0	0	0	0	1	0	1	0	0	0	2	0.2	0	1 (2014)
5.	Grey seal	0	1	3	1	3	1	1	3	3	1	17	1.7	0	3 (2012)
6.	Common Seal	0	4	60	3	4	7	5	11	9	3	106	11	2	60 (2012)
7.	Common / Grey seal	0	1	1	0	0	1	0	0	0	2	5	0.5	0	2 (2019)
8.	Ocean Sunfish	0	1	0	0	0	0	0	0	0	0	1	0.1	0	1 (2011)
	Other species
1.	Small Tortoiseshell	0	0	0	0	0	0	1	0	0	0	1	0.1	0	1 (2016)
2.	Brimstone	0	0	0	0	0	0	0	0	0	1	1	0.1	0	1 (2019)
3.	European Peacock	0	0	0	0	0	0	0	0	0	1	1	0.1	0	1 (2019)
4.	white sp. (butterfly)	0	0	0	0	0	23	69	3	7	11	113	11	0	69 (2016)
5.	Red Admiral	0	0	0	0	0	16	8	0	0	5	29	2.9	0	16 (2015)
6.	Painted Lady	0	0	0	0	0	0	0	0	0	2	2	0.2	0	2 (2019)
	Species	2010	2011	2012	2013	2014	2015	2016	2017	2018	2019	Totals	Average	Present	Year Maximum
	Totals	5583	67650	98437	135147	89230	69134	108722	128835	86902	111015	900655	90066	27398
	Observation hours	38:45	158:15	190:05	254:22	195:30	203:50	255:10	279:45	208:14	246:10	2,030:06	203:01

Trektellen

Totals Castricum aan Zee (zeetrek) 2010 - 2019