Select until 1 March

Totals Bloemendaal aan Zee 2016 - 2025

	Species	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025	Totals	Average	Present	Year Maximum
1.	Dark-bellied Brent Goose	393	2794	3346	7652	10725	8556	2209	6608	4293	43	46619	4662	0	10725 (2020)
2.	Pale-bellied Brent Goose	0	0	0	0	2	18	3	4	0	0	27	2.7	0	18 (2021)
3.	Black Brant	0	0	0	0	0	1	0	0	0	0	1	0.1	0	1 (2021)
4.	Canada Goose	2	16	16	21	9	26	31	46	40	9	216	22	0	46 (2023)
5.	Barnacle Goose	392	1453	3008	12613	6201	5393	5856	2676	7267	365	45224	4522	0	12613 (2019)
6.	Branta leucopsis x ?	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2023)
7.	Lesser Canada Goose	0	0	0	1	0	0	1	0	0	0	2	0.2	0	1 (2019)
8.	Bar-headed Goose	0	0	0	2	0	0	0	0	0	0	2	0.2	0	2 (2019)
9.	Greylag Goose	64	201	237	369	820	530	1073	371	630	111	4406	441	0	1073 (2022)
10.	Anser sp.	0	0	0	1	162	110	0	9	25	3	310	31	0	162 (2020)
11.	goose sp.	0	0	2	0	0	255	281	282	147	2	969	97	0	282 (2023)
12.	Domestic Goose	0	0	0	1	2	3	2	1	1	0	10	1	0	3 (2021)
13.	Feral Mallard	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2023)
14.	Pink-footed Goose	0	0	239	308	728	92	351	19	195	449	2381	238	0	728 (2020)
15.	Tundra Bean Goose	0	0	0	0	18	0	1	4	1	0	24	2.4	0	18 (2020)
16.	Bean Goose sp.	0	0	2	0	0	0	0	12	0	0	14	1.4	0	12 (2023)
17.	Eurasian White-fronted Goose	5	79	88	5	373	241	160	108	4	4	1067	107	0	373 (2020)
18.	Black Swan	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2023)
19.	Mute Swan	1	1	9	48	150	16	11	21	9	0	266	27	0	150 (2020)
20.	Bewick's Swan	0	0	0	23	3	0	9	0	0	0	35	3.5	0	23 (2019)
21.	Whooper Swan	0	0	0	3	0	0	0	0	0	0	3	0.3	0	3 (2019)
22.	Egyptian Goose	36	46	58	102	278	117	402	138	209	22	1408	141	0	402 (2022)
23.	Shelduck	177	251	554	896	1506	1140	905	1544	535	52	7560	756	0	1544 (2023)
24.	Ruddy Shelduck	0	0	0	0	2	0	0	2	0	0	4	0.4	0	2 (2020)
25.	Garganey	0	19	23	39	57	35	172	16	22	0	383	38	0	172 (2022)
26.	Shoveler	262	1447	389	1533	4200	1984	3400	398	1097	15	14725	1473	65	4200 (2020)
27.	Gadwall	38	147	62	126	242	201	155	104	66	11	1152	115	0	242 (2020)
28.	Wigeon	725	1562	1534	2912	4795	6668	2149	3092	1863	411	25711	2571	140	6668 (2021)
29.	Mallard	81	11	3	12	31	18	13	18	7	2	196	20	0	81 (2016)
30.	Pintail	121	709	219	281	256	917	1323	1536	1269	143	6774	677	0	1536 (2023)
31.	Teal	648	2576	773	2624	4355	4342	4917	1732	3258	245	25470	2547	335	4917 (2022)
32.	dabbling duck sp.	55	0	0	0	0	0	0	0	0	0	55	5.5	0	55 (2016)
33.	duck sp.	0	0	18	0	306	1	86	0	19	0	430	43	0	306 (2020)
34.	Red-crested Pochard	0	0	0	0	0	0	1	0	0	0	1	0.1	0	1 (2022)
35.	Pochard	2	4	7	13	34	29	69	3	8	11	180	18	0	69 (2022)
36.	Tufted Duck	17	31	15	88	88	107	134	41	25	0	546	55	0	134 (2022)
37.	Scaup	4	60	13	14	24	137	42	38	21	3	356	36	0	137 (2021)
38.	Eider	115	185	186	409	993	1037	854	718	565	92	5154	515	13	1037 (2021)
39.	Velvet Scoter	9	121	51	80	116	889	120	229	256	14	1885	189	28	889 (2021)
40.	Common Scoter	3471	9156	9514	9925	17353	34279	10373	16315	19092	489	129967	12997	4022	34279 (2021)
41.	Long-tailed Duck	2	6	1	2	3	3	1	3	4	0	25	2.5	0	6 (2017)
42.	Goldeneye	0	4	1	3	13	47	22	10	13	1	114	11	0	47 (2021)
43.	Smew	0	0	0	0	0	18	0	0	0	0	18	1.8	0	18 (2021)
44.	Goosander	8	3	4	22	4	22	13	11	4	2	93	9.3	0	22 (2019)
45.	Red-breasted Merganser	235	257	238	467	720	977	648	440	366	16	4364	436	0	977 (2021)
46.	Swift	0	2	7	0	107	19	0	44	10	0	189	19	0	107 (2020)
47.	Stock Dove	0	0	0	0	0	0	2	0	0	0	2	0.2	0	2 (2022)
48.	Woodpigeon	0	0	0	2	1	1	5	5	0	0	14	1.4	0	5 (2022)
49.	Collared Dove	1	1	3	0	0	0	0	0	0	0	5	0.5	0	3 (2018)
50.	Red-necked Grebe	0	4	4	1	4	15	9	8	1	0	46	4.6	0	15 (2021)
	Species	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025	Totals	Average	Present	Year Maximum
51.	Great Crested Grebe	150	370	818	1130	565	1432	2902	311	376	82	8136	814	2070	2902 (2022)
52.	Slavonian Grebe	2	0	1	0	3	0	0	0	0	0	6	0.6	0	3 (2020)
53.	Black-necked Grebe	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2019)
54.	Black-necked / Slavonian Grebe	0	0	2	0	2	1	1	0	0	0	6	0.6	0	2 (2018)
55.	grebe sp.	0	0	0	0	2	0	0	1	0	0	3	0.3	0	2 (2020)
56.	Oystercatcher	160	218	349	465	679	737	552	889	357	28	4434	443	14	889 (2023)
57.	Avocet	55	13	34	42	219	103	1404	57	258	0	2185	219	0	1404 (2022)
58.	Grey Plover	111	866	136	1634	1256	2364	1809	773	504	0	9453	945	0	2364 (2021)
59.	Golden Plover	2	1	18	0	11	5	2	1	0	0	40	4	0	18 (2018)
60.	Dotterel	0	0	0	2	0	0	0	0	0	0	2	0.2	0	2 (2019)
61.	Ringed Plover	24	111	129	521	367	60	277	721	31	0	2241	224	0	721 (2023)
62.	Little Ringed Plover	0	2	1	1	4	1	1	2	2	0	14	1.4	0	4 (2020)
63.	Lapwing	11	53	1	9	2	191	688	23	0	160	1138	114	0	688 (2022)
64.	Kentish Plover	0	0	0	0	2	0	1	0	0	0	3	0.3	0	2 (2020)
65.	Whimbrel	60	210	415	1351	3312	1466	957	460	298	0	8529	853	0	3312 (2020)
66.	Curlew	49	54	81	190	409	559	127	185	67	9	1730	173	0	559 (2021)
67.	Bar-tailed Godwit	756	1051	253	1266	2643	6090	18317	755	8403	0	39534	3953	2	18317 (2022)
68.	Black-tailed Godwit	2	3	3	11	6	2	43	4	29	0	103	10	0	43 (2022)
69.	Woodcock	0	0	0	0	0	25	1	0	0	0	26	2.6	0	25 (2021)
70.	Snipe	28	0	1	6	2	4	38	7	0	0	86	8.6	0	38 (2022)
71.	Grey Phalarope	0	2	0	1	0	1	1	5	1	0	11	1.1	0	5 (2023)
72.	Common Sandpiper	0	0	1	0	4	1	1	2	0	0	9	0.9	0	4 (2020)
73.	Green Sandpiper	0	0	0	1	9	0	5	1	0	0	16	1.6	0	9 (2020)
74.	Wood Sandpiper	0	0	0	0	2	0	3	0	0	0	5	0.5	0	3 (2022)
75.	Redshank	10	92	30	147	357	43	327	72	114	0	1192	119	0	357 (2020)
76.	Spotted Redshank	0	2	0	6	7	1	42	3	0	0	61	6.1	0	42 (2022)
77.	Greenshank	2	62	15	43	46	30	130	12	12	0	352	35	0	130 (2022)
78.	Turnstone	40	34	3	56	83	67	21	85	11	0	400	40	0	85 (2023)
79.	Knot	301	1702	136	1918	1223	1114	979	895	758	1	9027	903	0	1918 (2019)
80.	Ruff	0	22	5	104	43	33	147	25	27	0	406	41	0	147 (2022)
81.	wader sp.	0	15	0	0	0	37	121	44	44	0	261	26	0	121 (2022)
82.	small wader	0	0	0	0	0	1	0	61	0	0	62	6.2	0	61 (2023)
83.	large wader	0	0	0	0	0	3	0	0	0	0	3	0.3	0	3 (2021)
84.	Curlew Sandpiper	0	1	0	4	4	5	2	0	1	0	17	1.7	0	5 (2021)
85.	Sanderling	391	920	563	1005	3814	2285	1402	3063	773	138	14354	1435	1067	3814 (2020)
86.	Dunlin	1695	507	787	2173	4639	8675	8683	7474	2704	88	37425	3743	0	8683 (2022)
87.	Purple Sandpiper	12	11	0	0	2	5	1	2	2	0	35	3.5	0	12 (2016)
88.	Little Stint	1	3	1	2	8	1	6	7	0	0	29	2.9	0	8 (2020)
89.	Calidris sp.	0	0	0	0	1	0	0	10	0	0	11	1.1	0	10 (2023)
90.	Little Tern	105	87	106	548	644	430	301	110	77	0	2408	241	0	644 (2020)
91.	Gull-billed Tern	0	0	0	0	4	3	1	1	0	0	9	0.9	0	4 (2020)
92.	Caspian Tern	0	2	0	2	0	2	0	2	2	0	10	1	0	2 (2017)
93.	Black Tern	28	268	83	416	1346	2454	395	269	116	0	5375	538	0	2454 (2021)
94.	Arctic Tern	114	94	180	280	282	573	602	386	96	0	2607	261	0	602 (2022)
95.	Common/Arctic Tern	1236	5434	1682	17739	48160	25167	11506	6225	4489	0	121638	12164	0	48160 (2020)
96.	Common Tern	626	2308	1789	3642	3920	4622	1892	1766	2053	0	22618	2262	69	4622 (2021)
97.	Sandwich Tern	1597	1649	2167	14971	15081	10481	7031	4972	1618	0	59567	5957	94	15081 (2020)
98.	Little Gull	1860	11137	859	21506	28109	95066	28366	14524	3752	37	205216	20522	3040	95066 (2021)
99.	Kittiwake	151	1238	2343	1791	4262	7840	3020	6661	1099	1	28406	2841	20	7840 (2021)
100.	Sabine's Gull	0	4	0	0	3	2	0	4	0	0	13	1.3	0	4 (2017)
	Species	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025	Totals	Average	Present	Year Maximum
101.	Black-headed Gull	2890	9792	3831	17239	21102	47850	18821	13163	7364	263	142315	14232	102	47850 (2021)
102.	Mediterranean Gull	5	14	7	33	112	104	39	48	33	1	396	40	2	112 (2020)
103.	Common Gull	2023	8247	3531	11750	21043	23430	15940	18665	11218	377	116224	11622	455	23430 (2021)
104.	Caspian Gull	0	0	0	0	0	4	1	7	1	1	14	1.4	0	7 (2023)
105.	Herring Gull	2409	2055	1332	6425	4649	4009	2553	3802	3638	384	31256	3126	515	6425 (2019)
106.	Yellow-legged Gull	1	0	0	1	0	0	0	0	2	0	4	0.4	0	2 (2024)
107.	Great Black-backed Gull	580	607	844	1006	1335	1070	786	911	343	47	7529	753	65	1335 (2020)
108.	Glaucous Gull	1	3	0	0	0	0	0	0	0	0	4	0.4	0	3 (2017)
109.	Lesser Black-backed Gull	6049	8336	13927	17472	18963	21233	23473	11727	13623	133	134936	13494	352	23473 (2022)
110.	Laridae sp.	0	1	0	0	0	0	0	0	0	0	1	0.1	0	1 (2017)
111.	Iceland Gull	1	1	0	3	1	5	7	2	1	0	21	2.1	0	7 (2022)
112.	Long-tailed Skua	2	3	1	2	2	2	6	6	1	0	25	2.5	0	6 (2022)
113.	skua sp.	6	31	12	23	13	37	9	45	9	0	185	19	2	45 (2023)
114.	Arctic Skua	9	177	62	135	75	197	93	353	17	0	1118	112	3	353 (2023)
115.	S. parasiticus / pomarinus	0	0	2	0	0	0	0	1	0	0	3	0.3	0	2 (2018)
116.	Pomarine Skua	8	25	20	21	6	6	2	9	0	0	97	9.7	0	25 (2017)
117.	Great Skua	15	61	89	17	15	12	2	24	5	0	240	24	1	89 (2018)
118.	Puffin	0	2	0	0	1	1	0	1	0	0	5	0.5	0	2 (2017)
119.	Black Guillemot	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2023)
120.	Razorbill	2	4	3	10	29	47	24	116	5	0	240	24	13	116 (2023)
121.	Razorbill/Guillemot	876	1204	360	1467	1152	8257	3095	2240	219	0	18870	1887	29	8257 (2021)
122.	Little Auk	1	1	0	5	2	2	5	0	7	0	23	2.3	0	7 (2024)
123.	Guillemot	6	126	8	102	77	197	170	18	5	0	709	71	32	197 (2021)
124.	Red-throated Diver	135	524	506	768	1009	4294	2162	1191	557	134	11280	1128	73	4294 (2021)
125.	Black-throated Diver	4	9	8	16	13	62	37	25	20	1	195	20	0	62 (2021)
126.	Great Northern Diver	0	1	0	0	2	4	0	1	0	0	8	0.8	0	4 (2021)
127.	diver sp.	68	443	123	433	661	919	914	1569	712	19	5861	586	0	1569 (2023)
128.	Storm Petrel	0	0	1	0	0	0	0	0	0	0	1	0.1	0	1 (2018)
129.	storm-petrel sp.	0	1	0	0	0	0	0	2	0	0	3	0.3	0	2 (2023)
130.	Leach's Petrel	1	11	26	1	2	5	2	9	2	0	59	5.9	0	26 (2018)
131.	Fulmar	1	17	14	7	4	50	2	3	24	1	123	12	0	50 (2021)
132.	Sooty Shearwater	113	24	12	3	7	25	154	46	28	0	412	41	0	154 (2022)
133.	Manx Shearwater	0	10	11	2	0	6	2	17	4	0	52	5.2	0	17 (2023)
134.	Balearic Shearwater	0	2	0	0	1	0	0	1	0	0	4	0.4	0	2 (2017)
135.	shearwater sp.	0	1	0	0	2	1	2	2	0	0	8	0.8	0	2 (2020)
136.	Gannet	312	394	1210	507	750	3075	1075	7284	1529	67	16203	1620	16	7284 (2023)
137.	Cormorant	5971	9221	7380	16320	16679	17621	16639	9634	8712	1255	109432	10943	550	17621 (2021)
138.	Shag	1	0	0	0	1	0	0	0	0	0	2	0.2	0	1 (2016)
139.	Spoonbill	51	8	65	95	354	523	101	83	42	0	1322	132	0	523 (2021)
140.	Little Egret	0	0	0	2	0	0	0	3	1	0	6	0.6	0	3 (2023)
141.	Cattle Egret	0	0	0	0	0	0	0	0	0	1	1	0.1	0	1 (2025)
142.	Great White Egret	0	0	0	1	5	10	2	2	3	0	23	2.3	0	10 (2021)
143.	Grey Heron	8	3	5	33	36	32	52	47	27	1	244	24	0	52 (2022)
144.	Purple Heron	0	0	0	0	3	0	1	0	0	0	4	0.4	0	3 (2020)
145.	Osprey	0	0	2	0	0	0	0	1	0	0	3	0.3	0	2 (2018)
146.	Honey Buzzard	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2020)
147.	Sparrowhawk	0	0	0	0	1	4	0	0	0	0	5	0.5	0	4 (2021)
148.	Goshawk	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2020)
149.	Sparrowhawk/Goshawk	1	0	0	0	0	0	0	0	0	0	1	0.1	0	1 (2016)
150.	Marsh Harrier	1	1	4	17	8	6	8	6	3	0	54	5.4	0	17 (2019)
	Species	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025	Totals	Average	Present	Year Maximum
151.	Hen Harrier	0	1	0	2	6	3	0	0	2	0	14	1.4	0	6 (2020)
152.	White-tailed Eagle	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2023)
153.	Common Buzzard	1	0	0	0	0	2	0	0	0	0	3	0.3	0	2 (2021)
154.	Short-eared Owl	0	0	0	2	1	0	2	1	0	0	6	0.6	0	2 (2019)
155.	Great Spotted Woodpecker	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2020)
156.	Kestrel	1	4	1	11	7	4	8	6	4	0	46	4.6	0	11 (2019)
157.	Merlin	1	4	2	6	10	0	11	3	6	0	43	4.3	0	11 (2022)
158.	Hobby	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2020)
159.	Peregrine	0	1	3	7	4	2	7	9	1	0	34	3.4	0	9 (2023)
160.	Magpie	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2019)
161.	Jackdaw	0	0	0	6	0	5	7	2	0	0	20	2	0	7 (2022)
162.	Rook	1	0	1	3	3	0	11	2	7	0	28	2.8	0	11 (2022)
163.	Carrion Crow	9	0	2	0	0	9	16	4	36	9	85	8.5	0	36 (2024)
164.	Hooded Crow	0	0	0	1	0	0	1	0	0	0	2	0.2	0	1 (2019)
165.	Raven	0	0	0	1	1	0	1	0	0	0	3	0.3	0	1 (2019)
166.	Blue Tit	0	0	0	8	22	0	0	0	1	0	31	3.1	0	22 (2020)
167.	Great Tit	0	0	1	1	0	0	0	5	0	0	7	0.7	0	5 (2023)
168.	Wood Lark	0	0	0	0	2	1	1	0	1	0	5	0.5	1	2 (2020)
169.	Skylark	3	7	30	17	1027	104	39	70	20	4	1321	132	0	1027 (2020)
170.	Sand Martin	0	0	10	41	46	2	2	1	4	0	106	11	0	46 (2020)
171.	Swallow	5	13	173	71	266	30	96	133	55	0	842	84	0	266 (2020)
172.	House Martin	221	0	9	1	7	0	0	27	2	0	267	27	0	221 (2016)
173.	Chiffchaff	0	0	0	0	0	0	1	1	0	0	2	0.2	0	1 (2022)
174.	Goldcrest	0	0	0	0	5	0	0	0	0	0	5	0.5	0	5 (2020)
175.	Starling	211	2619	4	595	9095	11330	2209	169	537	40	26809	2681	0	11330 (2021)
176.	Song Thrush	0	0	0	9	1	3	2	0	0	0	15	1.5	0	9 (2019)
177.	Mistle Thrush	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2019)
178.	Redwing	1	3	6	5	24	23	1	1	3	0	67	6.7	0	24 (2020)
179.	Blackbird	0	0	2	0	0	0	1	0	0	0	3	0.3	0	2 (2018)
180.	Fieldfare	0	0	0	0	50	3	0	1	0	0	54	5.4	0	50 (2020)
181.	Robin	0	0	0	1	0	0	0	0	0	0	1	0.1	1	1 (2019)
182.	Black Redstart	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2020)
183.	Wheatear	0	0	0	1	0	0	0	1	1	0	3	0.3	0	1 (2019)
184.	Tree Sparrow	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2019)
185.	Dunnock	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2019)
186.	Blue-headed Wagtail	1	0	0	0	5	4	1	0	0	0	11	1.1	0	5 (2020)
187.	Yellow Wagtail (flavissima)	0	0	0	0	2	0	1	0	1	0	4	0.4	0	2 (2020)
188.	Grey-headed Wagtail	0	1	0	0	0	0	0	4	0	0	5	0.5	0	4 (2023)
189.	Yellow wagtail sp.	1	3	27	14	41	9	23	28	23	0	169	17	0	41 (2020)
190.	Grey Wagtail	1	0	3	4	0	6	0	5	2	0	21	2.1	0	6 (2021)
191.	White Wagtail	19	17	19	26	66	32	46	33	20	1	279	28	13	66 (2020)
192.	alba wagtail sp.	12	31	41	100	184	132	83	93	146	2	824	82	5	184 (2020)
193.	Pied Wagtail	0	0	0	1	2	0	4	0	4	0	11	1.1	0	4 (2022)
194.	Richard's Pipit	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2019)
195.	Tawny Pipit	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2019)
196.	Meadow Pipit	30	23	142	2660	444	448	186	849	131	12	4925	493	4	2660 (2019)
197.	Tree Pipit	0	0	2	1	4	3	14	2	3	0	29	2.9	0	14 (2022)
198.	Tree Pipit/Olive-backed Pipit	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2023)
199.	Water Pipit	0	0	0	0	0	0	1	0	0	0	1	0.1	0	1 (2022)
200.	Rock Pipit	0	2	1	1	2	4	0	0	0	0	10	1	0	4 (2021)
	Species	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025	Totals	Average	Present	Year Maximum
201.	Rock Pipit/Water Pipit	0	0	0	0	1	4	4	6	5	0	20	2	0	6 (2023)
202.	pipit sp.	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2023)
203.	Chaffinch	0	0	0	80	2672	1261	1	3	0	0	4017	402	0	2672 (2020)
204.	Brambling	0	0	0	0	17	0	2	0	0	0	19	1.9	0	17 (2020)
205.	Greenfinch	0	0	15	1	12	4	5	11	9	0	57	5.7	0	15 (2018)
206.	Linnet	12	6	15	14	59	12	13	42	54	0	227	23	0	59 (2020)
207.	Lesser Redpoll	0	0	0	0	0	3	0	0	0	0	3	0.3	0	3 (2021)
208.	redpoll sp.	0	0	0	0	3	0	0	0	1	0	4	0.4	0	3 (2020)
209.	Goldfinch	4	0	4	6	40	10	5	6	12	0	87	8.7	0	40 (2020)
210.	Siskin	40	1	1	54	45	82	10	62	13	0	308	31	0	82 (2021)
211.	Lapland Bunting	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2020)
212.	Snow Bunting	0	0	0	0	1	0	4	0	0	0	5	0.5	0	4 (2022)
213.	Ortolan Bunting	1	0	0	0	0	0	0	0	0	0	1	0.1	0	1 (2016)
214.	Reed Bunting	0	0	1	2	7	6	6	3	6	0	31	3.1	0	7 (2020)
	Other species
1.	Harbour Porpoise	26	13	29	51	44	99	71	35	27	9	404	40	12	99 (2021)
2.	Grey seal	3	0	3	6	3	4	4	1	1	0	25	2.5	0	6 (2019)
3.	Common Seal	4	1	5	1	0	4	1	1	0	0	17	1.7	0	5 (2018)
4.	bat sp.	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2019)
	Species	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025	Totals	Average	Present	Year Maximum
	Totals	38602	93802	67564	191316	278570	386974	216988	160167	118689	5821	1558493	155849	13225
	Observation hours	83:35	161:55	126:15	228:30	354:15	373:50	293:45	289:30	203:00	17:30	2,132:05	213:13

Trektellen

Totals Bloemendaal aan Zee 2016 - 2025