Totals Maasvlakte II 2015 - 2024

	Species	2015	2016	2017	2018	2019	2020	2021	2022	2023	2024	Totals	Average	Present	Year Maximum
1.	Dark-bellied Brent Goose	2521	672	4394	448	1591	3072	2403	185	2606	79	17971	1797	0	4394 (2017)
2.	Black Brant	0	0	0	0	0	1	0	0	1	0	2	0.2	0	1 (2020)
3.	Canada Goose	0	4	0	0	7	3	5	2	0	1	22	2.2	0	7 (2019)
4.	Canada X Greylag Goose	10	0	0	1	0	0	0	0	0	0	11	1.1	0	10 (2015)
5.	Barnacle Goose	6	4	0	39	0	2	65	1	0	0	117	12	0	65 (2021)
6.	Greylag Goose	87	13	62	103	19	15	42	9	2	25	377	38	7	103 (2018)
7.	goose sp.	0	10	82	80	0	2	25	0	0	0	199	20	0	82 (2017)
8.	Pink-footed Goose	0	0	2	90	0	0	0	0	0	0	92	9.2	0	90 (2018)
9.	Bean Goose sp.	2	0	0	0	0	0	0	0	0	0	2	0.2	0	2 (2015)
10.	Eurasian White-fronted Goose	0	22	0	1	0	40	0	0	0	0	63	6.3	0	40 (2020)
11.	Mute Swan	0	0	8	0	3	0	2	7	1	7	28	2.8	0	8 (2017)
12.	Whooper Swan	0	25	0	0	0	0	3	0	0	0	28	2.8	0	25 (2016)
13.	Egyptian Goose	14	3	9	26	29	37	15	24	3	5	165	17	2	37 (2020)
14.	Shelduck	88	80	198	38	51	36	28	26	175	6	726	73	0	198 (2017)
15.	Garganey	0	0	1	0	0	0	1	0	1	0	3	0.3	0	1 (2017)
16.	Shoveler	1	12	73	16	7	6	34	0	0	0	149	15	0	73 (2017)
17.	Gadwall	6	1	0	2	0	0	10	9	0	0	28	2.8	0	10 (2021)
18.	Wigeon	107	309	275	61	41	103	355	32	231	79	1593	159	4	355 (2021)
19.	Mallard	6	6	8	1	0	2	0	3	0	0	26	2.6	1	8 (2017)
20.	Pintail	0	19	120	3	0	20	57	8	194	0	421	42	0	194 (2023)
21.	Teal	48	55	272	66	21	26	196	4	72	29	789	79	13	272 (2017)
22.	duck sp.	6	0	28	27	20	17	29	10	2	0	139	14	0	29 (2021)
23.	Pochard	2	0	0	0	0	0	0	0	0	0	2	0.2	0	2 (2015)
24.	Tufted Duck	1	4	9	1	2	0	3	14	3	1	38	3.8	0	14 (2022)
25.	Scaup	0	0	1	0	0	6	0	0	0	0	7	0.7	0	6 (2020)
26.	Eider	530	278	160	131	103	84	116	59	74	63	1598	160	23	530 (2015)
27.	Velvet Scoter	7	49	12	19	26	7	25	7	22	10	184	18	1	49 (2016)
28.	Common Scoter	2793	3647	3282	2482	1410	2853	4202	729	3431	1390	26219	2622	41	4202 (2021)
29.	Long-tailed Duck	2	0	3	0	0	1	1	0	0	0	7	0.7	0	3 (2017)
30.	Goldeneye	18	12	8	0	1	2	2	3	3	0	49	4.9	0	18 (2015)
31.	Goosander	2	0	1	0	4	1	0	0	5	0	13	1.3	0	5 (2023)
32.	Red-breasted Merganser	421	290	269	134	146	150	204	91	201	102	2008	201	0	421 (2015)
33.	Swift	0	2	3	0	0	1	0	0	3	0	9	0.9	0	3 (2017)
34.	Woodpigeon	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2022)
35.	Red-necked Grebe	9	0	0	1	0	0	0	0	1	0	11	1.1	0	9 (2015)
36.	Great Crested Grebe	586	260	105	110	72	33	77	54	113	42	1452	145	45	586 (2015)
37.	Slavonian Grebe	2	2	0	0	0	0	0	0	0	0	4	0.4	0	2 (2015)
38.	Black-necked Grebe	0	0	0	0	1	0	0	0	1	0	2	0.2	0	1 (2019)
39.	Black-necked / Slavonian Grebe	3	0	0	0	0	0	0	0	0	0	3	0.3	0	3 (2015)
40.	Oystercatcher	111	49	87	109	36	43	64	58	94	17	668	67	12	111 (2015)
41.	Avocet	11	5	1	11	0	0	0	0	0	1	29	2.9	0	11 (2015)
42.	Lapwing	5	0	0	9	0	0	0	0	0	0	14	1.4	0	9 (2018)
43.	Golden Plover	2	0	1	5	13	0	5	4	25	0	55	5.5	0	25 (2023)
44.	Grey Plover	99	28	30	7	14	77	106	9	154	0	524	52	0	154 (2023)
45.	Ringed Plover	8	32	49	28	5	1	49	33	9	0	214	21	1	49 (2017)
46.	Dotterel	0	0	1	0	0	0	0	0	0	0	1	0.1	0	1 (2017)
47.	Whimbrel	11	13	16	61	12	5	58	4	55	2	237	24	3	61 (2018)
48.	Curlew	39	40	43	17	23	13	16	7	45	1	244	24	0	45 (2023)
49.	Bar-tailed Godwit	85	917	914	37	2	233	114	2	17	256	2577	258	1	917 (2016)
50.	Black-tailed Godwit	0	0	2	0	0	0	1	0	0	0	3	0.3	3	2 (2017)
	Species	2015	2016	2017	2018	2019	2020	2021	2022	2023	2024	Totals	Average	Present	Year Maximum
51.	Turnstone	23	5	16	11	9	12	13	14	20	6	129	13	0	23 (2015)
52.	Knot	56	118	105	4	22	12	206	0	14	1	538	54	0	206 (2021)
53.	Ruff	0	0	1	0	0	0	0	0	0	0	1	0.1	0	1 (2017)
54.	wader sp.	26	17	79	15	13	142	101	16	188	3	600	60	0	188 (2023)
55.	small wader	0	0	0	0	0	0	0	0	2	0	2	0.2	0	2 (2023)
56.	Curlew Sandpiper	0	0	0	0	0	0	2	0	1	0	3	0.3	0	2 (2021)
57.	Sanderling	145	101	319	38	90	285	133	98	181	0	1390	139	211	319 (2017)
58.	Dunlin	2747	171	439	51	220	349	332	133	3701	3	8146	815	0	3701 (2023)
59.	Purple Sandpiper	0	3	2	0	0	8	5	0	3	0	21	2.1	0	8 (2020)
60.	Little Stint	0	0	4	0	0	0	1	0	3	0	8	0.8	0	4 (2017)
61.	Calidris sp.	0	0	0	11	0	0	0	0	0	0	11	1.1	0	11 (2018)
62.	Woodcock	0	2	0	0	0	0	0	0	0	0	2	0.2	0	2 (2016)
63.	Snipe	0	1	1	0	0	0	0	1	2	0	5	0.5	0	2 (2023)
64.	Grey Phalarope	0	0	5	1	1	0	0	0	5	0	12	1.2	0	5 (2017)
65.	Common Sandpiper	2	0	0	0	0	0	0	0	0	0	2	0.2	0	2 (2015)
66.	Green Sandpiper	0	0	0	0	0	0	0	0	2	0	2	0.2	0	2 (2023)
67.	Redshank	3	3	17	0	16	5	2	0	1	1	48	4.8	0	17 (2017)
68.	Greenshank	0	0	3	0	2	0	0	0	0	0	5	0.5	0	3 (2017)
69.	Kittiwake	4539	1088	647	176	517	1189	1684	336	9665	670	20511	2051	43	9665 (2023)
70.	Sabine's Gull	5	0	7	0	2	1	5	2	3	0	25	2.5	0	7 (2017)
71.	Black-headed Gull	424	757	2591	127	686	965	1491	3353	545	161	11100	1110	159	3353 (2022)
72.	Little Gull	367	174	804	85	1837	1506	1094	32	1966	184	8049	805	500	1966 (2023)
73.	Mediterranean Gull	0	0	2	3	1	2	10	6	8	0	32	3.2	0	10 (2021)
74.	Common Gull	74	505	1082	31	0	478	1341	976	6359	566	11412	1141	13	6359 (2023)
75.	Great Black-backed Gull	149	84	73	15	0	129	284	162	150	61	1107	111	10	284 (2021)
76.	Glaucous Gull	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2022)
77.	Iceland Gull	0	0	0	1	0	0	0	0	1	0	2	0.2	0	1 (2018)
78.	Herring Gull	173	129	0	0	0	107	218	146	290	13	1076	108	56	290 (2023)
79.	Caspian Gull	1	1	2	0	0	0	0	0	10	0	14	1.4	0	10 (2023)
80.	Yellow-legged Gull	0	0	0	0	0	1	0	0	0	0	1	0.1	0	1 (2020)
81.	Lesser Black-backed Gull	77	30	0	51	1	375	2540	7914	25130	77	36195	3620	98	25130 (2023)
82.	Laridae sp.	0	0	0	0	0	0	2	0	0	1	3	0.3	0	2 (2021)
83.	Gull-billed Tern	0	0	1	0	0	0	0	0	1	0	2	0.2	0	1 (2017)
84.	Sandwich Tern	943	544	2720	2152	2402	1720	11140	620	10917	175	33333	3333	27	11140 (2021)
85.	Little Tern	431	181	21	112	26	4	71	48	6	9	909	91	0	431 (2015)
86.	Common Tern	1341	572	1253	606	439	630	20065	2860	1441	28	29235	2924	54	20065 (2021)
87.	Arctic Tern	22	0	36	8	16	4	42	0	9	19	156	16	0	42 (2021)
88.	Common/Arctic Tern	202	422	107	2	1000	156	152	0	1201	195	3437	344	0	1201 (2023)
89.	sterna sp.	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2022)
90.	Black Tern	4	13	84	54	21	8	1553	5	18	0	1760	176	0	1553 (2021)
91.	Great Skua	18	16	461	37	9	10	21	0	16	1	589	59	1	461 (2017)
92.	Pomarine Skua	49	9	46	16	15	6	18	0	15	0	174	17	0	49 (2015)
93.	Arctic Skua	42	55	357	52	53	55	556	49	225	3	1447	145	6	556 (2021)
94.	Long-tailed Skua	2	1	13	1	2	0	13	3	6	0	41	4.1	0	13 (2017)
95.	skua sp.	33	17	72	17	2	7	8	2	10	0	168	17	0	72 (2017)
96.	Little Auk	8	11	0	0	1	3	2	0	0	0	25	2.5	0	11 (2016)
97.	Guillemot	69	172	212	4	29	6	62	13	16	1	584	58	17	212 (2017)
98.	Razorbill	54	68	29	10	16	75	34	9	609	2	906	91	38	609 (2023)
99.	Razorbill/Guillemot	1015	2645	1025	775	663	1395	3729	1595	6049	122	19013	1901	39	6049 (2023)
100.	Black Guillemot	3	0	0	0	0	0	0	0	0	0	3	0.3	0	3 (2015)
	Species	2015	2016	2017	2018	2019	2020	2021	2022	2023	2024	Totals	Average	Present	Year Maximum
101.	Red-throated Diver	622	1957	682	549	847	1393	2065	946	1398	726	11185	1119	41	2065 (2021)
102.	Black-throated Diver	15	3	14	3	5	7	27	7	26	0	107	11	0	27 (2021)
103.	Great Northern Diver	0	1	1	0	1	1	0	0	4	1	9	0.9	0	4 (2023)
104.	diver sp.	200	273	663	233	292	47	86	14	3	0	1811	181	2	663 (2017)
105.	Wilson's Storm-Petrel	0	0	1	0	0	0	0	0	0	0	1	0.1	0	1 (2017)
106.	Storm Petrel	0	0	0	0	0	0	0	0	2	0	2	0.2	0	2 (2023)
107.	Leach's Petrel	9	0	58	14	1	5	20	2	4	0	113	11	0	58 (2017)
108.	Fulmar	5	2	29	1	0	1	21	2	1	0	62	6.2	0	29 (2017)
109.	Sooty Shearwater	14	52	21	7	3	29	56	28	13	0	223	22	0	56 (2021)
110.	Manx Shearwater	0	4	57	11	10	9	1	1	4	0	97	9.7	0	57 (2017)
111.	Balearic Shearwater	3	0	1	0	0	2	0	0	0	0	6	0.6	0	3 (2015)
112.	shearwater sp.	0	0	0	0	0	0	2	2	1	0	5	0.5	0	2 (2021)
113.	Gannet	1328	3440	1973	762	811	1490	2391	1869	5267	124	19455	1946	79	5267 (2023)
114.	Cormorant	1156	506	1356	1094	478	452	2635	1311	545	186	9719	972	355	2635 (2021)
115.	Shag	0	1	0	1	0	0	0	0	0	0	2	0.2	0	1 (2016)
116.	Grey Heron	10	3	4	9	2	1	12	1	17	0	59	5.9	0	17 (2023)
117.	Great White Egret	0	0	7	9	0	0	4	0	0	0	20	2	0	9 (2018)
118.	Sparrowhawk	0	0	2	0	1	1	2	0	0	0	6	0.6	0	2 (2017)
119.	Marsh Harrier	1	0	2	2	0	0	1	0	1	0	7	0.7	0	2 (2017)
120.	Hen Harrier	0	0	0	1	0	7	0	1	0	0	9	0.9	0	7 (2020)
121.	Pallid Harrier	0	0	1	0	0	0	0	1	0	0	2	0.2	0	1 (2017)
122.	Common Buzzard	0	0	0	0	0	0	2	0	0	0	2	0.2	0	2 (2021)
123.	Short-eared Owl	0	2	1	1	1	1	3	0	0	0	9	0.9	0	3 (2021)
124.	Kestrel	0	2	3	1	1	0	2	0	3	0	12	1.2	4	3 (2017)
125.	Merlin	3	1	2	0	0	1	2	0	0	0	9	0.9	0	3 (2015)
126.	Hobby	0	0	1	1	0	0	0	0	0	0	2	0.2	0	1 (2017)
127.	Peregrine	2	1	3	2	1	0	1	0	0	0	10	1	0	3 (2017)
128.	Magpie	0	0	0	0	0	1	0	0	0	0	1	0.1	0	1 (2020)
129.	Jackdaw	0	10	5	21	3	40	0	0	5	0	84	8.4	0	40 (2020)
130.	Carrion Crow	9	4	22	19	27	6	3	3	5	2	100	10	7	27 (2019)
131.	Hooded Crow	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2018)
132.	Wood Lark	0	5	0	0	0	0	0	0	0	0	5	0.5	0	5 (2016)
133.	Skylark	50	503	214	39	10	37	10	7	18	0	888	89	0	503 (2016)
134.	Sand Martin	0	0	0	1	0	1	6	0	0	0	8	0.8	0	6 (2021)
135.	Swallow	37	59	84	51	34	10	73	25	5	0	378	38	0	84 (2017)
136.	Whitethroat	0	0	0	0	0	0	1	0	0	0	1	0.1	0	1 (2021)
137.	Starling	3670	1378	3515	355	12835	6001	2330	154	8565	0	38803	3880	0	12835 (2019)
138.	Song Thrush	0	0	0	2	0	6	0	0	0	0	8	0.8	3	6 (2020)
139.	Redwing	0	0	0	0	0	87	0	0	0	0	87	8.7	0	87 (2020)
140.	Blackbird	0	2	0	0	0	0	0	0	0	1	3	0.3	0	2 (2016)
141.	Fieldfare	2	0	0	7	0	0	0	1	3	1	14	1.4	3	7 (2018)
142.	Robin	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2019)
143.	Whinchat	0	0	0	0	0	0	1	0	0	0	1	0.1	0	1 (2021)
144.	Blue-headed Wagtail	0	17	0	6	2	0	3	6	0	0	34	3.4	1	17 (2016)
145.	Yellow wagtail sp.	0	0	9	0	0	0	1	0	0	0	10	1	0	9 (2017)
146.	Grey Wagtail	2	1	5	5	11	1	1	0	1	0	27	2.7	0	11 (2019)
147.	White Wagtail	8	9	11	4	4	4	21	8	2	0	71	7.1	10	21 (2021)
148.	alba wagtail sp.	0	0	0	6	0	0	1	1	0	0	8	0.8	0	6 (2018)
149.	Meadow Pipit	74	225	160	101	213	69	81	37	24	6	990	99	11	225 (2016)
150.	Tree Pipit	0	2	0	0	0	0	0	0	0	0	2	0.2	0	2 (2016)
	Species	2015	2016	2017	2018	2019	2020	2021	2022	2023	2024	Totals	Average	Present	Year Maximum
151.	Rock Pipit	1	0	0	0	1	1	3	0	0	0	6	0.6	0	3 (2021)
152.	pipit sp.	0	0	2	0	0	0	0	0	0	0	2	0.2	0	2 (2017)
153.	Chaffinch	0	17	108	32	130	122	48	2	2	0	461	46	0	130 (2019)
154.	Brambling	3	0	0	2	31	0	1	0	0	0	37	3.7	0	31 (2019)
155.	Linnet	20	21	43	7	2	3	29	12	40	9	186	19	2	43 (2017)
156.	Lesser Redpoll	0	0	0	0	0	1	0	0	0	0	1	0.1	0	1 (2020)
157.	redpoll sp.	0	0	0	2	0	0	0	0	1	0	3	0.3	0	2 (2018)
158.	Siskin	1	0	0	2	2217	14	30	35	15	0	2314	231	0	2217 (2019)
159.	Lapland Bunting	1	2	1	0	0	4	3	0	1	0	12	1.2	0	4 (2020)
160.	Snow Bunting	0	1	123	2	0	8	0	0	1	0	135	14	1	123 (2017)
161.	Reed Bunting	1	0	0	0	0	2	0	0	0	0	3	0.3	0	2 (2020)
162.	passerine sp.	0	0	0	0	0	4	0	0	0	0	4	0.4	0	4 (2020)
	Other species
1.	Harbour Porpoise	7	14	15	5	3	6	9	3	5	0	67	6.7	3	15 (2017)
2.	whale sp.	1	0	0	0	0	0	0	0	0	0	1	0.1	0	1 (2015)
3.	Grey seal	0	0	0	0	0	0	0	3	1	0	4	0.4	0	3 (2022)
4.	Common Seal	1	2	2	0	0	1	0	1	0	0	7	0.7	0	2 (2016)
5.	Common / Grey seal	0	1	0	0	0	0	0	0	0	0	1	0.1	0	1 (2016)
	Other species
1.	European Peacock	0	1	0	0	0	0	0	0	0	0	1	0.1	0	1 (2016)
2.	white sp. (butterfly)	0	2	0	0	0	0	0	0	0	0	2	0.2	0	2 (2016)
	Other species
1.	Bumblebee sp.	0	7	0	0	0	0	0	1	0	0	8	0.8	0	7 (2016)
	Species	2015	2016	2017	2018	2019	2020	2021	2022	2023	2024	Totals	Average	Present	Year Maximum
	Totals	27952	23309	32366	12001	29748	26413	65231	24274	92316	5474	339084	33908	1951
	Observation hours	147:58	127:06	175:14	105:11	98:35	130:05	225:22	100:40	147:05	24:03	1,281:19	128:08

Trektellen

Totals Maasvlakte II 2015 - 2024