Select until 2 May

Totals Fort Maarsseveen (Maarssen) 2016 - 2025

	Species	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025	Totals	Average	Present	Year Maximum
1.	Canada Goose	0	0	0	47	32	0	50	110	12	0	251	36	0	110 (2023)
2.	Barnacle Goose	0	0	0	0	0	3	85	6	16	0	110	16	0	85 (2022)
3.	Greylag Goose	0	0	168	175	387	284	963	1271	1589	0	4837	691	0	1589 (2024)
4.	Feral Mallard	0	0	0	0	0	0	0	0	7	0	7	1	0	7 (2024)
5.	Pink-footed Goose	0	0	0	0	0	0	0	0	3	0	3	0.4	0	3 (2024)
6.	Tundra Bean Goose	0	0	4	0	0	20	264	0	34	0	322	46	0	264 (2022)
7.	Bean Goose sp.	0	0	4	0	0	0	0	0	22	0	26	3.7	0	22 (2024)
8.	Eurasian White-fronted Goose	0	0	380	259	123	134	2003	828	1582	0	5309	758	0	2003 (2022)
9.	Mute Swan	0	0	0	0	0	7	0	28	52	0	87	12.4	0	52 (2024)
10.	Whooper Swan	0	0	2	0	0	0	0	0	0	0	2	0.3	0	2 (2018)
11.	Egyptian Goose	0	0	0	2	2	32	24	61	84	0	205	29	0	84 (2024)
12.	Shelduck	0	0	0	0	0	0	0	6	2	0	8	1.1	0	6 (2023)
13.	Shoveler	0	0	0	3	0	0	0	17	1	0	21	3	0	17 (2023)
14.	Gadwall	0	0	0	24	5	5	9	73	165	0	281	40	0	165 (2024)
15.	Wigeon	0	0	36	62	22	9	41	25	107	0	302	43	0	107 (2024)
16.	Mallard	0	0	0	0	6	4	18	45	90	0	163	23	2	90 (2024)
17.	Pintail	0	0	0	0	25	0	4	8	6	0	43	6.1	0	25 (2020)
18.	Teal	0	0	0	0	0	0	0	0	4	0	4	0.6	0	4 (2024)
19.	Pochard	0	0	2	0	0	0	0	1	0	0	3	0.4	0	2 (2018)
20.	Tufted Duck	0	0	0	1	0	5	7	9	4	0	26	3.7	0	9 (2023)
21.	Swift	0	0	0	0	0	3	0	0	0	0	3	0.4	0	3 (2021)
22.	Stock Dove	0	0	31	5	0	31	95	57	89	0	308	44	4	95 (2022)
23.	Woodpigeon	0	0	131	349	5	154	270	140	548	0	1597	228	14	548 (2024)
24.	Collared Dove	0	0	1	30	0	0	0	1	1	0	33	4.7	6	30 (2019)
25.	Grey Plover	0	0	0	0	0	2	0	0	0	0	2	0.3	0	2 (2021)
26.	Golden Plover	0	0	0	0	0	0	4	0	7	0	11	1.6	0	7 (2024)
27.	Lapwing	0	0	360	1081	1378	353	2720	1683	1364	0	8939	1277	100	2720 (2022)
28.	Whimbrel	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2019)
29.	Curlew	0	0	0	1	0	1	0	0	0	0	2	0.3	0	1 (2019)
30.	Snipe	0	0	2	58	10	10	27	49	46	0	202	29	0	58 (2019)
31.	Green Sandpiper	0	0	0	8	1	6	1	5	1	0	22	3.1	0	8 (2019)
32.	Greenshank	0	0	0	0	4	0	0	0	0	0	4	0.6	0	4 (2020)
33.	Caspian Tern	0	0	0	0	0	1	0	0	0	0	1	0.1	0	1 (2021)
34.	Black-headed Gull	0	0	2967	367	390	68	15	98	110	0	4015	574	0	2967 (2018)
35.	Common Gull	0	0	0	6	0	0	1	4	14	0	25	3.6	0	14 (2024)
36.	Caspian Gull	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2023)
37.	Herring Gull	0	0	0	11	0	10	36	44	11	0	112	16	1	44 (2023)
38.	Great Black-backed Gull	0	0	0	0	0	0	0	1	1	0	2	0.3	0	1 (2023)
39.	Lesser Black-backed Gull	0	0	36	54	3	21	8	64	28	0	214	31	0	64 (2023)
40.	White Stork	0	0	0	0	2	0	6	26	2	0	36	5.1	2	26 (2023)
41.	Cormorant	0	0	262	490	60	221	497	1177	792	0	3499	500	7	1177 (2023)
42.	Spoonbill	0	0	0	0	0	6	0	4	11	0	21	3	0	11 (2024)
43.	Great White Egret	0	0	8	37	12	6	18	15	43	0	139	20	2	43 (2024)
44.	heron sp.	0	0	0	0	0	0	0	0	2	0	2	0.3	0	2 (2024)
45.	Grey Heron	0	0	13	9	0	4	9	10	6	0	51	7.3	3	13 (2018)
46.	Purple Heron	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2019)
47.	Osprey	0	0	1	1	0	0	0	2	1	0	5	0.7	0	2 (2023)
48.	Honey Buzzard	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2019)
49.	Sparrowhawk	0	0	12	7	14	4	29	8	15	0	89	12.7	6	29 (2022)
50.	Goshawk	0	0	0	3	0	0	0	0	3	0	6	0.9	0	3 (2019)
	Species	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025	Totals	Average	Present	Year Maximum
51.	Marsh Harrier	0	0	0	8	4	1	3	5	2	0	23	3.3	0	8 (2019)
52.	Hen Harrier	0	0	0	0	0	0	2	0	1	0	3	0.4	0	2 (2022)
53.	harrier sp.	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2019)
54.	Common Buzzard	0	0	2	12	4	1	17	14	6	0	56	8	0	17 (2022)
55.	Lesser Spotted Woodpecker	0	0	0	0	0	0	0	0	1	0	1	0.1	0	1 (2024)
56.	Great Spotted Woodpecker	0	0	0	4	6	0	4	8	1	0	23	3.3	8	8 (2023)
57.	Kestrel	0	0	0	6	2	0	1	3	3	0	15	2.1	6	6 (2019)
58.	Red-footed Falcon	0	0	0	0	0	0	0	0	2	0	2	0.3	0	2 (2024)
59.	Merlin	0	0	0	0	0	1	0	0	1	0	2	0.3	0	1 (2021)
60.	Hobby	0	0	0	3	3	2	0	1	0	0	9	1.3	3	3 (2019)
61.	Peregrine	0	0	2	2	2	2	0	1	0	0	9	1.3	0	2 (2018)
62.	Jay	0	0	1	325	1	88	0	12	1	0	428	61	2	325 (2019)
63.	Magpie	0	0	0	0	2	0	0	3	0	0	5	0.7	3	3 (2023)
64.	Jackdaw	0	0	3	333	142	51	89	28	166	0	812	116	30	333 (2019)
65.	Rook	0	0	0	3	0	0	0	0	0	0	3	0.4	0	3 (2019)
66.	Carrion Crow	0	0	0	0	1	1	0	0	0	0	2	0.3	0	1 (2020)
67.	Coal Tit	0	0	0	10	0	3	0	0	0	0	13	1.9	0	10 (2019)
68.	Blue Tit	0	0	7	12	0	82	44	30	20	0	195	28	6	82 (2021)
69.	Great Tit	0	0	0	3	0	45	11	8	39	0	106	15	1	45 (2021)
70.	Wood Lark	0	0	1	4	1	0	0	2	11	0	19	2.7	0	11 (2024)
71.	Skylark	0	0	322	74	2	78	184	91	178	0	929	133	0	322 (2018)
72.	Sand Martin	0	0	0	8	6	0	16	0	6	0	36	5.1	0	16 (2022)
73.	Swallow	0	0	10	184	84	95	330	267	716	0	1686	241	10	716 (2024)
74.	House Martin	0	0	0	13	32	2	29	23	168	0	267	38	0	168 (2024)
75.	Chiffchaff	0	0	1	15	0	2	2	0	26	0	46	6.6	10	26 (2024)
76.	Firecrest	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2023)
77.	Goldcrest	0	0	0	8	0	0	2	0	10	0	20	2.9	1	10 (2024)
78.	Nuthatch	0	0	0	0	0	0	1	0	0	0	1	0.1	0	1 (2022)
79.	Starling	0	0	2272	2369	373	11	743	857	5644	0	12269	1753	25	5644 (2024)
80.	Song Thrush	0	0	156	215	23	421	505	40	260	0	1620	231	6	505 (2022)
81.	Mistle Thrush	0	0	2	1	0	3	2	0	13	0	21	3	0	13 (2024)
82.	Redwing	0	0	197	81	19	219	725	207	2197	0	3645	521	3	2197 (2024)
83.	Blackbird	0	0	3	4	1	16	14	2	7	0	47	6.7	8	16 (2021)
84.	Fieldfare	0	0	854	22	0	2	145	27	351	0	1401	200	105	854 (2018)
85.	Ring Ouzel	0	0	0	0	0	0	0	0	10	0	10	1.4	0	10 (2024)
86.	Redstart	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2020)
87.	Wheatear	0	0	0	0	0	0	0	1	3	0	4	0.6	0	3 (2024)
88.	Tree Sparrow	0	0	0	0	1	0	15	0	2	0	18	2.6	0	15 (2022)
89.	Dunnock	0	0	1	38	0	14	14	29	41	0	137	20	7	41 (2024)
90.	Blue-headed Wagtail	0	0	0	3	2	6	25	4	2	0	42	6	0	25 (2022)
91.	Grey Wagtail	0	0	3	3	0	2	7	14	11	0	40	5.7	2	14 (2023)
92.	White Wagtail	0	0	19	20	17	13	31	52	31	0	183	26	5	52 (2023)
93.	alba wagtail sp.	0	0	0	0	0	0	0	1	11	0	12	1.7	0	11 (2024)
94.	Meadow Pipit	0	0	325	677	60	273	621	1524	682	0	4162	595	0	1524 (2023)
95.	Tree Pipit	0	0	0	2	5	0	0	2	10	0	19	2.7	0	10 (2024)
96.	Water Pipit	0	0	0	0	0	0	0	4	0	0	4	0.6	0	4 (2023)
97.	Chaffinch	0	0	1489	580	503	2512	2052	720	983	0	8839	1263	14	2512 (2021)
98.	Brambling	0	0	46	0	0	100	48	5	30	0	229	33	2	100 (2021)
99.	Hawfinch	0	0	0	6	0	44	21	15	28	0	114	16	0	44 (2021)
100.	Bullfinch	0	0	0	0	0	2	8	1	1	0	12	1.7	0	8 (2022)
	Species	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025	Totals	Average	Present	Year Maximum
101.	Greenfinch	0	0	17	4	9	4	17	3	9	0	63	9	0	17 (2018)
102.	Linnet	0	0	10	0	0	0	6	7	11	0	34	4.9	0	11 (2024)
103.	redpoll sp.	0	0	0	0	0	0	4	3	2	0	9	1.3	0	4 (2022)
104.	Crossbill	0	0	0	0	0	9	0	16	0	0	25	3.6	0	16 (2023)
105.	Goldfinch	0	0	22	0	0	0	11	32	12	0	77	11	30	32 (2023)
106.	Serin	0	0	0	0	0	0	0	0	1	0	1	0.1	0	1 (2024)
107.	Siskin	0	0	129	160	57	537	531	988	330	0	2732	390	70	988 (2023)
108.	Yellowhammer	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2023)
109.	Reed Bunting	0	0	3	3	1	9	4	5	5	0	30	4.3	0	9 (2021)
110.	passerine sp.	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2023)
	Other species
1.	Common Noctule	0	0	12	1	0	0	0	0	0	0	13	1.9	0	12 (2018)
	Other species
1.	European Peacock	0	0	0	0	0	0	0	0	5	0	5	0.7	0	5 (2024)
2.	Speckled Wood	0	0	0	0	0	0	0	0	1	0	1	0.1	0	1 (2024)
3.	Red Admiral	0	0	0	1	0	0	1	0	5	0	7	1	0	5 (2024)
	Species	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025	Totals	Average	Present	Year Maximum
	Totals	0	0	10329	8311	3845	6055	13489	10935	18931	0	71895	10271	504
	Observation hours			19:35	27:05	15:30	15:45	30:40	29:49	39:57		178:21	25:29

Trektellen

Totals Fort Maarsseveen (Maarssen) 2016 - 2025