Select until 2 March

Totals Bloemendaal aan Zee 2017 - 2026

	Species	2017	2018	2019	2020	2021	2022	2023	2024	2025	2026	Totals	Average	Present	Year Maximum
1.	Dark-bellied Brent Goose	2794	3346	7652	10725	8556	2209	6608	4293	3090	258	49531	4953	0	10725 (2020)
2.	Pale-bellied Brent Goose	0	0	0	2	18	3	4	0	1	0	28	2.8	0	18 (2021)
3.	Black Brant	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2021)
4.	Canada Goose	16	16	21	9	26	31	46	40	37	13	255	26	0	46 (2023)
5.	Barnacle Goose	1453	3008	12613	6201	5393	5856	2676	7267	5078	3336	52881	5288	0	12613 (2019)
6.	Branta leucopsis x ?	0	0	0	0	0	0	1	0	0	0	1	0.1	0	1 (2023)
7.	Lesser Canada Goose	0	0	1	0	0	1	0	0	0	0	2	0.2	0	1 (2019)
8.	Bar-headed Goose	0	0	2	0	0	0	0	0	0	0	2	0.2	0	2 (2019)
9.	Greylag Goose	201	237	369	820	530	1073	371	630	497	171	4899	490	0	1073 (2022)
10.	Anser sp.	0	0	1	162	110	0	9	25	74	106	487	49	0	162 (2020)
11.	goose sp.	0	2	0	0	255	281	282	147	12	78	1057	106	0	282 (2023)
12.	Domestic Goose	0	0	1	2	3	2	1	1	1	2	13	1.3	0	3 (2021)
13.	Feral Mallard	0	0	0	0	0	0	1	0	0	1	2	0.2	0	1 (2023)
14.	Pink-footed Goose	0	239	308	728	92	351	19	195	450	1089	3471	347	0	1089 (2026)
15.	Tundra Bean Goose	0	0	0	18	0	1	4	1	0	10	34	3.4	0	18 (2020)
16.	Bean Goose sp.	0	2	0	0	0	0	12	0	0	0	14	1.4	0	12 (2023)
17.	Eurasian White-fronted Goose	79	88	5	373	241	160	108	4	4	909	1971	197	0	909 (2026)
18.	Black Swan	0	0	0	0	0	0	1	0	0	0	1	0.1	0	1 (2023)
19.	Mute Swan	1	9	48	150	16	11	21	9	8	0	273	27	0	150 (2020)
20.	Bewick's Swan	0	0	23	3	0	9	0	0	0	0	35	3.5	0	23 (2019)
21.	Whooper Swan	0	0	3	0	0	0	0	0	0	0	3	0.3	0	3 (2019)
22.	Egyptian Goose	46	58	102	278	117	402	138	209	277	111	1738	174	0	402 (2022)
23.	Shelduck	251	554	896	1506	1140	905	1544	535	759	185	8275	828	0	1544 (2023)
24.	Ruddy Shelduck	0	0	0	2	0	0	2	0	0	0	4	0.4	0	2 (2020)
25.	Mandarin	0	0	0	0	0	0	0	0	1	0	1	0.1	0	1 (2025)
26.	Garganey	19	23	39	57	35	172	16	22	32	0	415	42	0	172 (2022)
27.	Shoveler	1447	389	1533	4200	1984	3400	398	1097	1936	39	16423	1642	65	4200 (2020)
28.	Gadwall	147	62	126	242	201	155	104	66	89	34	1226	123	0	242 (2020)
29.	Wigeon	1562	1534	2912	4795	6668	2149	3092	1863	3861	1914	30350	3035	140	6668 (2021)
30.	Mallard	11	3	12	31	18	13	18	7	19	75	207	21	0	75 (2026)
31.	Pintail	709	219	281	256	917	1323	1536	1269	727	13	7250	725	0	1536 (2023)
32.	Teal	2576	773	2624	4355	4342	4917	1732	3258	4138	308	29023	2902	335	4917 (2022)
33.	duck sp.	0	18	0	306	1	86	0	19	28	22	480	48	0	306 (2020)
34.	Red-crested Pochard	0	0	0	0	0	1	0	0	0	0	1	0.1	0	1 (2022)
35.	Pochard	4	7	13	34	29	69	3	8	14	19	200	20	0	69 (2022)
36.	Tufted Duck	31	15	88	88	107	134	41	25	35	4	568	57	0	134 (2022)
37.	Scaup	60	13	14	24	137	42	38	21	14	0	363	36	0	137 (2021)
38.	Eider	185	186	409	993	1037	854	718	565	633	75	5655	566	13	1037 (2021)
39.	Velvet Scoter	121	51	80	116	889	120	229	256	40	8	1910	191	27	889 (2021)
40.	Common Scoter	9156	9514	9925	17353	34279	10373	16315	19092	8208	1076	135291	13529	4132	34279 (2021)
41.	Long-tailed Duck	6	1	2	3	3	1	3	4	1	0	24	2.4	0	6 (2017)
42.	Goldeneye	4	1	3	13	47	22	10	13	4	3	120	12	0	47 (2021)
43.	Smew	0	0	0	0	18	0	0	0	0	0	18	1.8	0	18 (2021)
44.	Goosander	3	4	22	4	22	13	11	4	8	0	91	9.1	0	22 (2019)
45.	Red-breasted Merganser	257	238	467	720	977	648	440	366	431	14	4558	456	0	977 (2021)
46.	Swift	2	7	0	107	19	0	44	10	10	0	199	20	0	107 (2020)
47.	Stock Dove	0	0	0	0	0	2	0	0	0	0	2	0.2	0	2 (2022)
48.	Woodpigeon	0	0	2	1	1	5	5	0	0	1	15	1.5	0	5 (2022)
49.	Collared Dove	1	3	0	0	0	0	0	0	0	1	5	0.5	0	3 (2018)
50.	Red-necked Grebe	4	4	1	4	15	9	8	1	2	1	49	4.9	0	15 (2021)
	Species	2017	2018	2019	2020	2021	2022	2023	2024	2025	2026	Totals	Average	Present	Year Maximum
51.	Great Crested Grebe	370	818	1130	565	1432	2902	311	376	297	274	8475	848	2216	2902 (2022)
52.	Slavonian Grebe	0	1	0	3	0	0	0	0	0	0	4	0.4	0	3 (2020)
53.	Black-necked Grebe	0	0	1	0	0	0	0	0	0	0	1	0.1	0	1 (2019)
54.	Black-necked / Slavonian Grebe	0	2	0	2	1	1	0	0	0	0	6	0.6	0	2 (2018)
55.	grebe sp.	0	0	0	2	0	0	1	0	0	0	3	0.3	0	2 (2020)
56.	Oystercatcher	218	349	465	679	737	552	889	357	469	19	4734	473	14	889 (2023)
57.	Avocet	13	34	42	219	103	1404	57	258	209	0	2339	234	0	1404 (2022)
58.	Grey Plover	866	136	1634	1256	2364	1809	773	504	1135	0	10477	1048	0	2364 (2021)
59.	Golden Plover	1	18	0	11	5	2	1	0	13	1	52	5.2	0	18 (2018)
60.	Dotterel	0	0	2	0	0	0	0	0	0	0	2	0.2	0	2 (2019)
61.	Ringed Plover	111	129	521	367	60	277	721	31	457	2	2676	268	0	721 (2023)
62.	Little Ringed Plover	2	1	1	4	1	1	2	2	0	0	14	1.4	0	4 (2020)
63.	Lapwing	53	1	9	2	191	688	23	0	167	267	1401	140	0	688 (2022)
64.	Kentish Plover	0	0	0	2	0	1	0	0	1	0	4	0.4	0	2 (2020)
65.	Whimbrel	210	415	1351	3312	1466	957	460	298	409	0	8878	888	0	3312 (2020)
66.	Curlew	54	81	190	409	559	127	185	67	108	65	1845	185	0	559 (2021)
67.	Bar-tailed Godwit	1051	253	1266	2643	6090	18317	755	8403	726	0	39504	3950	2	18317 (2022)
68.	Black-tailed Godwit	3	3	11	6	2	43	4	29	4	0	105	11	0	43 (2022)
69.	Woodcock	0	0	0	0	25	1	0	0	0	0	26	2.6	0	25 (2021)
70.	Snipe	0	1	6	2	4	38	7	0	0	0	58	5.8	0	38 (2022)
71.	Grey Phalarope	2	0	1	0	1	1	5	1	2	0	13	1.3	0	5 (2023)
72.	Common Sandpiper	0	1	0	4	1	1	2	0	10	0	19	1.9	0	10 (2025)
73.	Green Sandpiper	0	0	1	9	0	5	1	0	1	0	17	1.7	0	9 (2020)
74.	Wood Sandpiper	0	0	0	2	0	3	0	0	1	0	6	0.6	0	3 (2022)
75.	Redshank	92	30	147	357	43	327	72	114	149	0	1331	133	0	357 (2020)
76.	Spotted Redshank	2	0	6	7	1	42	3	0	12	0	73	7.3	0	42 (2022)
77.	Greenshank	62	15	43	46	30	130	12	12	4	0	354	35	0	130 (2022)
78.	Turnstone	34	3	56	83	67	21	85	11	53	0	413	41	0	85 (2023)
79.	Knot	1702	136	1918	1223	1114	979	895	758	2827	0	11552	1155	0	2827 (2025)
80.	Ruff	22	5	104	43	33	147	25	27	116	0	522	52	0	147 (2022)
81.	wader sp.	15	0	0	0	37	121	44	44	251	5	517	52	0	251 (2025)
82.	small wader	0	0	0	0	1	0	61	0	0	0	62	6.2	0	61 (2023)
83.	large wader	0	0	0	0	3	0	0	0	0	0	3	0.3	0	3 (2021)
84.	Curlew Sandpiper	1	0	4	4	5	2	0	1	1	0	18	1.8	0	5 (2021)
85.	Sanderling	920	563	1005	3814	2285	1402	3063	773	2234	268	16327	1633	1090	3814 (2020)
86.	Dunlin	507	787	2173	4639	8675	8683	7474	2704	8141	50	43833	4383	0	8683 (2022)
87.	Purple Sandpiper	11	0	0	2	5	1	2	2	3	2	28	2.8	0	11 (2017)
88.	Little Stint	3	1	2	8	1	6	7	0	13	0	41	4.1	0	13 (2025)
89.	Calidris sp.	0	0	0	1	0	0	10	0	1	0	12	1.2	0	10 (2023)
90.	Little Tern	87	106	548	644	430	301	110	77	343	0	2646	265	0	644 (2020)
91.	Gull-billed Tern	0	0	0	4	3	1	1	0	4	0	13	1.3	0	4 (2020)
92.	Caspian Tern	2	0	2	0	2	0	2	2	0	0	10	1	0	2 (2017)
93.	Black Tern	268	83	416	1346	2454	395	269	116	240	0	5587	559	0	2454 (2021)
94.	Arctic Tern	94	180	280	282	573	602	386	96	393	0	2886	289	0	602 (2022)
95.	Common/Arctic Tern	5434	1682	17739	48160	25167	11506	6225	4489	9338	0	129740	12974	0	48160 (2020)
96.	Common Tern	2308	1789	3642	3920	4622	1892	1766	2053	1271	0	23263	2326	69	4622 (2021)
97.	Sandwich Tern	1649	2167	14971	15081	10481	7031	4972	1618	5999	0	63969	6397	94	15081 (2020)
98.	Little Gull	11137	859	21506	28109	95066	28366	14524	3752	2502	32	205853	20585	2242	95066 (2021)
99.	Kittiwake	1238	2343	1791	4262	7840	3020	6661	1099	156	101	28511	2851	20	7840 (2021)
100.	Sabine's Gull	4	0	0	3	2	0	4	0	1	0	14	1.4	0	4 (2017)
	Species	2017	2018	2019	2020	2021	2022	2023	2024	2025	2026	Totals	Average	Present	Year Maximum
101.	Black-headed Gull	9792	3831	17239	21102	47850	18821	13163	7364	9801	1695	150658	15066	102	47850 (2021)
102.	Mediterranean Gull	14	7	33	112	104	39	48	33	16	0	406	41	2	112 (2020)
103.	Common Gull	8247	3531	11750	21043	23430	15940	18665	11218	11366	2367	127557	12756	515	23430 (2021)
104.	Caspian Gull	0	0	0	0	4	1	7	1	8	4	25	2.5	0	8 (2025)
105.	Herring Gull	2055	1332	6425	4649	4009	2553	3802	3638	3379	736	32578	3258	515	6425 (2019)
106.	Yellow-legged Gull	0	0	1	0	0	0	0	2	2	0	5	0.5	0	2 (2024)
107.	Great Black-backed Gull	607	844	1006	1335	1070	786	911	343	388	52	7342	734	65	1335 (2020)
108.	Glaucous Gull	3	0	0	0	0	0	0	0	0	0	3	0.3	0	3 (2017)
109.	Lesser Black-backed Gull	8336	13927	17472	18963	21233	23473	11727	13623	14751	295	143800	14380	352	23473 (2022)
110.	Laridae sp.	1	0	0	0	0	0	0	0	0	0	1	0.1	0	1 (2017)
111.	Iceland Gull	1	0	3	1	5	7	2	1	0	0	20	2	0	7 (2022)
112.	Long-tailed Skua	3	1	2	2	2	6	6	1	4	0	27	2.7	0	6 (2022)
113.	skua sp.	31	12	23	13	37	9	45	9	11	0	190	19	1	45 (2023)
114.	Arctic Skua	177	62	135	75	197	93	353	17	76	0	1185	119	3	353 (2023)
115.	S. parasiticus / pomarinus	0	2	0	0	0	0	1	0	0	0	3	0.3	0	2 (2018)
116.	Pomarine Skua	25	20	21	6	6	2	9	0	3	0	92	9.2	0	25 (2017)
117.	Great Skua	61	89	17	15	12	2	24	5	20	0	245	25	1	89 (2018)
118.	Puffin	2	0	0	1	1	0	1	0	0	0	5	0.5	0	2 (2017)
119.	Black Guillemot	0	0	0	0	0	0	1	0	0	0	1	0.1	0	1 (2023)
120.	Razorbill	4	3	10	29	47	24	116	5	3	30	271	27	13	116 (2023)
121.	Razorbill/Guillemot	1204	360	1467	1152	8257	3095	2240	219	40	303	18337	1834	30	8257 (2021)
122.	Little Auk	1	0	5	2	2	5	0	7	14	0	36	3.6	0	14 (2025)
123.	Guillemot	126	8	102	77	197	170	18	5	3	4	710	71	32	197 (2021)
124.	Red-throated Diver	524	506	768	1009	4294	2162	1191	557	353	757	12121	1212	75	4294 (2021)
125.	Black-throated Diver	9	8	16	13	62	37	25	20	11	2	203	20	0	62 (2021)
126.	Great Northern Diver	1	0	0	2	4	0	1	0	0	0	8	0.8	0	4 (2021)
127.	diver sp.	443	123	433	661	919	914	1569	712	120	251	6145	615	0	1569 (2023)
128.	Storm Petrel	0	1	0	0	0	0	0	0	0	0	1	0.1	0	1 (2018)
129.	storm-petrel sp.	1	0	0	0	0	0	2	0	1	0	4	0.4	0	2 (2023)
130.	Leach's Petrel	11	26	1	2	5	2	9	2	6	0	64	6.4	0	26 (2018)
131.	Fulmar	17	14	7	4	50	2	3	24	6	0	127	13	0	50 (2021)
132.	Sooty Shearwater	24	12	3	7	25	154	46	28	101	0	400	40	0	154 (2022)
133.	Manx Shearwater	10	11	2	0	6	2	17	4	47	0	99	9.9	0	47 (2025)
134.	Balearic Shearwater	2	0	0	1	0	0	1	0	1	0	5	0.5	0	2 (2017)
135.	shearwater sp.	1	0	0	2	1	2	2	0	1	0	9	0.9	0	2 (2020)
136.	Gannet	394	1210	507	750	3075	1075	7284	1529	1476	227	17527	1753	13	7284 (2023)
137.	Cormorant	9221	7380	16320	16679	17621	16639	9634	8712	13546	1887	117639	11764	570	17621 (2021)
138.	Shag	0	0	0	1	0	0	0	0	1	0	2	0.2	0	1 (2020)
139.	Spoonbill	8	65	95	354	523	101	83	42	98	0	1369	137	0	523 (2021)
140.	Little Egret	0	0	2	0	0	0	3	1	0	0	6	0.6	0	3 (2023)
141.	Cattle Egret	0	0	0	0	0	0	0	0	2	0	2	0.2	0	2 (2025)
142.	Great White Egret	0	0	1	5	10	2	2	3	0	3	26	2.6	0	10 (2021)
143.	Grey Heron	3	5	33	36	32	52	47	27	74	4	313	31	0	74 (2025)
144.	Purple Heron	0	0	0	3	0	1	0	0	0	0	4	0.4	0	3 (2020)
145.	Osprey	0	2	0	0	0	0	1	0	0	0	3	0.3	0	2 (2018)
146.	Honey Buzzard	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2020)
147.	Sparrowhawk	0	0	0	1	4	0	0	0	0	0	5	0.5	0	4 (2021)
148.	Goshawk	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2020)
149.	Marsh Harrier	1	4	17	8	6	8	6	3	4	0	57	5.7	0	17 (2019)
150.	Hen Harrier	1	0	2	6	3	0	0	2	0	0	14	1.4	0	6 (2020)
	Species	2017	2018	2019	2020	2021	2022	2023	2024	2025	2026	Totals	Average	Present	Year Maximum
151.	White-tailed Eagle	0	0	0	0	0	0	1	0	0	0	1	0.1	0	1 (2023)
152.	Common Buzzard	0	0	0	0	2	0	0	0	0	0	2	0.2	0	2 (2021)
153.	Short-eared Owl	0	0	2	1	0	2	1	0	1	0	7	0.7	0	2 (2019)
154.	Great Spotted Woodpecker	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2020)
155.	Kestrel	4	1	11	7	4	8	6	4	6	0	51	5.1	0	11 (2019)
156.	Merlin	4	2	6	10	0	11	3	6	2	0	44	4.4	0	11 (2022)
157.	Hobby	0	0	0	1	0	0	0	0	1	0	2	0.2	0	1 (2020)
158.	Peregrine	1	3	7	4	2	7	9	1	4	1	39	3.9	0	9 (2023)
159.	Magpie	0	0	1	0	0	0	0	0	0	0	1	0.1	0	1 (2019)
160.	Jackdaw	0	0	6	0	5	7	2	0	8	0	28	2.8	0	8 (2025)
161.	Rook	0	1	3	3	0	11	2	7	3	0	30	3	0	11 (2022)
162.	Carrion Crow	0	2	0	0	9	16	4	36	33	0	100	10	0	36 (2024)
163.	Hooded Crow	0	0	1	0	0	1	0	0	0	0	2	0.2	0	1 (2019)
164.	Raven	0	0	1	1	0	1	0	0	0	0	3	0.3	0	1 (2019)
165.	Blue Tit	0	0	8	22	0	0	0	1	0	0	31	3.1	0	22 (2020)
166.	Great Tit	0	1	1	0	0	0	5	0	0	0	7	0.7	0	5 (2023)
167.	Wood Lark	0	0	0	2	1	1	0	1	0	0	5	0.5	1	2 (2020)
168.	Skylark	7	30	17	1027	104	39	70	20	33	15	1362	136	0	1027 (2020)
169.	Sand Martin	0	10	41	46	2	2	1	4	14	0	120	12	0	46 (2020)
170.	Swallow	13	173	71	266	30	96	133	55	150	0	987	99	0	266 (2020)
171.	House Martin	0	9	1	7	0	0	27	2	1	0	47	4.7	0	27 (2023)
172.	Chiffchaff	0	0	0	0	0	1	1	0	0	0	2	0.2	0	1 (2022)
173.	Chiffchaff/Willow Warbler	0	0	0	0	0	0	0	0	1	0	1	0.1	0	1 (2025)
174.	Goldcrest	0	0	0	5	0	0	0	0	0	0	5	0.5	0	5 (2020)
175.	Starling	2619	4	595	9095	11330	2209	169	537	6500	1	33059	3306	0	11330 (2021)
176.	Song Thrush	0	0	9	1	3	2	0	0	0	1	16	1.6	0	9 (2019)
177.	Mistle Thrush	0	0	1	0	0	0	0	0	0	0	1	0.1	0	1 (2019)
178.	Redwing	3	6	5	24	23	1	1	3	0	0	66	6.6	0	24 (2020)
179.	Blackbird	0	2	0	0	0	1	0	0	0	0	3	0.3	0	2 (2018)
180.	Fieldfare	0	0	0	50	3	0	1	0	0	0	54	5.4	0	50 (2020)
181.	Robin	0	0	1	0	0	0	0	0	0	0	1	0.1	1	1 (2019)
182.	Black Redstart	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2020)
183.	Wheatear	0	0	1	0	0	0	1	1	0	0	3	0.3	0	1 (2019)
184.	Tree Sparrow	0	0	1	0	0	0	0	0	0	0	1	0.1	0	1 (2019)
185.	Dunnock	0	0	1	0	0	0	0	0	0	0	1	0.1	0	1 (2019)
186.	Blue-headed Wagtail	0	0	0	5	4	1	0	0	0	0	10	1	0	5 (2020)
187.	Yellow Wagtail (flavissima)	0	0	0	2	0	1	0	1	1	0	5	0.5	0	2 (2020)
188.	Grey-headed Wagtail	1	0	0	0	0	0	4	0	0	0	5	0.5	0	4 (2023)
189.	Yellow wagtail sp.	3	27	14	41	9	23	28	23	16	0	184	18	0	41 (2020)
190.	Grey Wagtail	0	3	4	0	6	0	5	2	7	0	27	2.7	0	7 (2025)
191.	White Wagtail	17	19	26	66	32	46	33	20	21	7	287	29	10	66 (2020)
192.	alba wagtail sp.	31	41	100	184	132	83	93	146	111	12	933	93	5	184 (2020)
193.	Pied Wagtail	0	0	1	2	0	4	0	4	2	0	13	1.3	0	4 (2022)
194.	Richard's Pipit	0	0	1	0	0	0	0	0	0	0	1	0.1	0	1 (2019)
195.	Tawny Pipit	0	0	1	0	0	0	0	0	0	0	1	0.1	0	1 (2019)
196.	Meadow Pipit	23	142	2660	444	448	186	849	131	138	22	5043	504	5	2660 (2019)
197.	Tree Pipit	0	2	1	4	3	14	2	3	1	0	30	3	0	14 (2022)
198.	Tree Pipit/Olive-backed Pipit	0	0	0	0	0	0	1	0	0	0	1	0.1	0	1 (2023)
199.	Water Pipit	0	0	0	0	0	1	0	0	0	0	1	0.1	0	1 (2022)
200.	Rock Pipit	2	1	1	2	4	0	0	0	0	0	10	1	0	4 (2021)
	Species	2017	2018	2019	2020	2021	2022	2023	2024	2025	2026	Totals	Average	Present	Year Maximum
201.	Rock Pipit/Water Pipit	0	0	0	1	4	4	6	5	2	0	22	2.2	0	6 (2023)
202.	pipit sp.	0	0	0	0	0	0	1	0	0	0	1	0.1	0	1 (2023)
203.	Chaffinch	0	0	80	2672	1261	1	3	0	105	0	4122	412	0	2672 (2020)
204.	Brambling	0	0	0	17	0	2	0	0	0	0	19	1.9	0	17 (2020)
205.	Greenfinch	0	15	1	12	4	5	11	9	0	0	57	5.7	0	15 (2018)
206.	Linnet	6	15	14	59	12	13	42	54	14	1	230	23	0	59 (2020)
207.	Lesser Redpoll	0	0	0	0	3	0	0	0	0	0	3	0.3	0	3 (2021)
208.	Redpoll	0	0	0	3	0	0	0	1	0	0	4	0.4	0	3 (2020)
209.	Goldfinch	0	4	6	40	10	5	6	12	3	0	86	8.6	0	40 (2020)
210.	Siskin	1	1	54	45	82	10	62	13	5	0	273	27	0	82 (2021)
211.	Lapland Bunting	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2020)
212.	Snow Bunting	0	0	0	1	0	4	0	0	0	0	5	0.5	0	4 (2022)
213.	Reed Bunting	0	1	2	7	6	6	3	6	4	0	35	3.5	0	7 (2020)
	Other species
1.	Harbour Porpoise	13	29	51	44	99	71	35	27	22	15	406	41	12	99 (2021)
2.	Humpback whale	0	0	0	0	0	0	0	0	0	1	1	0.1	0	1 (2026)
3.	Grey seal	0	3	6	3	4	4	1	1	1	1	24	2.4	0	6 (2019)
4.	Common Seal	1	5	1	0	4	1	1	0	1	0	14	1.4	0	5 (2018)
5.	bat sp.	0	0	1	0	0	0	0	0	0	0	1	0.1	0	1 (2019)
	Species	2017	2018	2019	2020	2021	2022	2023	2024	2025	2026	Totals	Average	Present	Year Maximum
	Totals	93802	67564	191316	278570	386974	216988	160167	118689	131524	19656	1665250	166525	12782
	Observation hours	161:55	126:15	228:30	354:15	373:50	293:45	289:30	203:00	211:00	32:15	2,274:15	227:26

Trektellen

Totals Bloemendaal aan Zee 2017 - 2026