Also present

Totals De Vulkaan (Den Haag) 2025

	Species	Jan	Feb	Mar	Apr	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Dark-bellied Brent Goose	26	1	480	155	662	96	566	239 (30 Mar)	33	26	1 Jan	25 Apr
2.	Canada Goose	83	74	320	78	555	179	376	54 ( 8 Mar)	60	48	1 Jan	23 Apr
3.	Barnacle Goose	386	914	2398	2746	6444	1205	5239	922 (20 Mar)	54	43	3 Jan	25 Apr
4.	Lesser Canada Goose	0	0	1	0	1	0	1	1 ( 9 Mar)	1	1	9 Mar	9 Mar
5.	Greylag Goose	82	330	1131	372	1915	735	1180	181 (19 Mar)	79	63	1 Jan	25 Apr
6.	Anser sp.	37	270	47	0	354	0	354	210 ( 1 Feb)	5	4	31 Jan	8 Mar
7.	goose sp.	10539	861	1079	255	12734	703	12031	8558 (11 Jan)	36	29	2 Jan	12 Apr
8.	Domestic Goose	0	1	0	0	1	1	0	1 (23 Feb)	1	1	23 Feb	23 Feb
9.	Feral Mallard	0	0	1	0	1	0	1	1 (31 Mar)	1	1	31 Mar	31 Mar
10.	Pink-footed Goose	178	2082	26	0	2286	14	2272	1045 (23 Feb)	13	10	2 Jan	7 Mar
11.	Tundra Bean Goose	11	36	0	0	47	0	47	27 (23 Feb)	5	4	26 Jan	23 Feb
12.	Eurasian White-fronted Goose	263	927	58	0	1248	178	1070	365 (26 Feb)	18	14	2 Jan	19 Mar
13.	Mute Swan	3	5	1	8	17	5	12	4 ( 9 Feb)	11	9	10 Jan	19 Apr
14.	Whooper Swan	0	0	2	0	2	2	0	2 (19 Mar)	1	1	19 Mar	19 Mar
15.	Egyptian Goose	99	172	431	339	1041	317	724	58 ( 9 Mar)	70	56	2 Jan	25 Apr
16.	Shelduck	39	42	87	177	345	166	179	27 (12 Apr)	59	47	2 Jan	25 Apr
17.	Ruddy Shelduck	0	0	1	0	1	0	1	1 (28 Mar)	1	1	28 Mar	28 Mar
18.	Garganey	0	0	0	3	3	0	3	3 ( 3 Apr)	1	1	3 Apr	3 Apr
19.	Shoveler	0	3	201	358	562	28	534	104 ( 8 Apr)	26	21	18 Feb	19 Apr
20.	Gadwall	12	2	8	12	34	16	18	7 (22 Jan)	14	11	3 Jan	12 Apr
21.	Wigeon	699	111	635	5	1450	477	973	214 (14 Mar)	44	35	1 Jan	7 Apr
22.	Mallard	6	2	29	13	50	13	37	7 ( 1 Mar)	23	18	5 Jan	12 Apr
23.	Pintail	1	12	78	36	127	1	126	32 ( 5 Apr)	18	14	3 Jan	5 Apr
24.	Teal	7	47	201	62	317	26	291	57 (29 Mar)	38	30	8 Jan	25 Apr
25.	duck sp.	0	5	46	15	66	6	60	21 ( 1 Mar)	16	13	18 Feb	23 Apr
26.	Garganey/Teal	0	0	1	0	1	0	1	1 (30 Mar)	1	1	30 Mar	30 Mar
27.	Pochard	0	0	0	1	1	0	1	1 (23 Apr)	1	1	23 Apr	23 Apr
28.	Tufted Duck	4	0	2	0	6	2	4	2 ( 3 Jan)	6	5	3 Jan	16 Mar
29.	Scaup	0	0	1	0	1	1	0	1 (16 Mar)	1	1	16 Mar	16 Mar
30.	Aythya sp.	0	0	1	0	1	0	1	1 ( 7 Mar)	1	1	7 Mar	7 Mar
	Species	Jan	Feb	Mar	Apr	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
31.	Eider	35	82	396	201	714	514	200	60 ( 1 Mar)	73	58	2 Jan	25 Apr
32.	Velvet Scoter	13	0	2	0	15	13	2	5 (25 Jan)	8	6	2 Jan	31 Mar
33.	Common Scoter	180	153	855	385	1573	858	715	196 ( 1 Mar)	73	58	1 Jan	25 Apr
34.	Long-tailed Duck	0	2	0	0	2	2	0	2 ( 6 Feb)	1	1	6 Feb	6 Feb
35.	Goldeneye	0	0	1	0	1	1	0	1 ( 8 Mar)	1	1	8 Mar	8 Mar
36.	Goosander	0	1	5	2	8	1	7	3 (17 Mar)	5	4	1 Feb	1 Apr
37.	Red-breasted Merganser	20	19	133	149	321	142	179	40 ( 5 Apr)	59	47	3 Jan	25 Apr
38.	Swift	0	0	0	41	41	5	36	25 (21 Apr)	8	6	15 Apr	25 Apr
39.	Cuckoo	0	0	0	1	1	0	1	1 (13 Apr)	1	1	13 Apr	13 Apr
40.	Stock Dove	4	29	61	54	148	25	123	18 ( 4 Apr)	40	32	1 Jan	20 Apr
41.	Woodpigeon	146	384	5156	2409	8095	2051	6044	1747 (19 Mar)	89	71	1 Jan	25 Apr
42.	Collared Dove	4	0	14	16	34	11	23	4 (11 Jan)	21	17	11 Jan	25 Apr
43.	Red-necked Grebe	0	0	1	0	1	0	1	1 ( 9 Mar)	1	1	9 Mar	9 Mar
44.	Great Crested Grebe	45	117	116	24	302	197	105	54 ( 1 Feb)	56	45	3 Jan	25 Apr
45.	Oystercatcher	12	92	141	335	580	284	296	66 (19 Apr)	71	57	1 Jan	25 Apr
46.	Avocet	0	0	8	7	15	0	15	7 (22 Mar)	4	3	8 Mar	2 Apr
47.	Grey Plover	0	0	5	51	56	0	56	37 ( 5 Apr)	10	8	14 Mar	25 Apr
48.	Golden Plover	53	10	159	23	245	13	232	120 (28 Mar)	20	16	2 Jan	8 Apr
49.	Ringed Plover	0	0	36	64	100	3	97	14 (21 Apr)	21	17	5 Mar	23 Apr
50.	Little Ringed Plover	0	0	9	11	20	3	17	7 (21 Mar)	11	9	7 Mar	25 Apr
51.	Lapwing	0	20	9	4	33	4	29	18 (18 Feb)	13	10	1 Feb	23 Apr
52.	Whimbrel	0	0	2	1073	1075	2	1073	338 ( 5 Apr)	23	18	31 Mar	25 Apr
53.	Curlew	1	8	34	23	66	13	53	7 ( 9 Mar)	28	22	11 Jan	19 Apr
54.	Bar-tailed Godwit	0	0	11	37	48	11	37	18 (25 Apr)	9	7	30 Mar	25 Apr
55.	Black-tailed Godwit	0	3	4	8	15	3	12	5 ( 3 Apr)	8	6	23 Feb	5 Apr
56.	Jack Snipe	0	1	1	0	2	0	2	1 (28 Feb)	3	2	28 Feb	19 Mar
57.	Woodcock	0	0	1	0	1	1	0	1 (16 Mar)	1	1	16 Mar	16 Mar
58.	Snipe	1	0	7	8	16	2	14	3 (15 Apr)	15	12	11 Jan	15 Apr
59.	Green Sandpiper	0	0	5	57	62	0	62	11 ( 4 Apr)	20	16	21 Mar	21 Apr
60.	Wood Sandpiper	0	0	0	8	8	0	8	8 (15 Apr)	1	1	15 Apr	15 Apr
	Species	Jan	Feb	Mar	Apr	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
61.	Redshank	0	0	17	148	165	0	165	73 ( 5 Apr)	14	11	8 Mar	21 Apr
62.	Spotted Redshank	0	0	0	2	2	0	2	1 (13 Apr)	3	2	13 Apr	25 Apr
63.	Greenshank	0	0	0	3	3	0	3	2 ( 6 Apr)	3	2	3 Apr	6 Apr
64.	Turnstone	0	0	2	0	2	2	0	2 (15 Mar)	1	1	15 Mar	15 Mar
65.	Knot	0	0	0	16	16	0	16	10 ( 6 Apr)	3	2	5 Apr	6 Apr
66.	Ruff	0	0	4	18	22	0	22	14 ( 2 Apr)	4	3	29 Mar	3 Apr
67.	wader sp.	1	18	92	385	496	20	476	202 ( 5 Apr)	25	20	17 Jan	23 Apr
68.	Sanderling	3	11	156	91	261	14	247	86 (10 Mar)	21	17	10 Jan	18 Apr
69.	Dunlin	0	4	79	523	606	5	601	290 ( 5 Apr)	33	26	9 Feb	21 Apr
70.	Little Tern	0	0	0	85	85	4	81	45 (21 Apr)	10	8	9 Apr	25 Apr
71.	Caspian Tern	0	0	0	4	4	0	4	4 (12 Apr)	1	1	12 Apr	12 Apr
72.	Black Tern	0	0	0	7	7	0	7	4 (21 Apr)	4	3	18 Apr	21 Apr
73.	Arctic Tern	0	0	0	16	16	0	16	11 (25 Apr)	3	2	18 Apr	25 Apr
74.	Common/Arctic Tern	0	0	0	1148	1148	58	1090	484 (21 Apr)	6	5	19 Apr	25 Apr
75.	Common Tern	0	0	9	2434	2443	131	2312	713 (21 Apr)	25	20	21 Mar	25 Apr
76.	Sandwich Tern	0	0	34	2970	3004	382	2622	595 ( 8 Apr)	30	24	9 Mar	25 Apr
77.	Little Gull	42	3	122	3035	3202	478	2724	2546 ( 1 Apr)	28	22	2 Jan	25 Apr
78.	Kittiwake	404	0	0	0	404	397	7	156 ( 8 Jan)	13	10	1 Jan	26 Jan
79.	Black-headed Gull	1743	2296	7682	4736	16457	3326	13131	2968 ( 4 Apr)	96	77	1 Jan	25 Apr
80.	Mediterranean Gull	0	0	7	79	86	24	62	32 (12 Apr)	23	18	7 Mar	23 Apr
81.	Common Gull	2662	702	3916	3783	11063	3129	7934	1097 ( 4 Apr)	99	79	1 Jan	25 Apr
82.	Caspian Gull	5	2	1	2	10	7	3	2 (10 Jan)	10	8	4 Jan	24 Apr
83.	Herring Gull	4774	1569	4411	1071	11825	4597	7228	911 ( 8 Jan)	94	75	1 Jan	25 Apr
84.	Yellow-legged Gull	7	0	1	0	8	6	2	3 ( 8 Jan)	6	5	5 Jan	13 Mar
85.	Great Black-backed Gull	541	153	182	163	1039	538	501	76 ( 2 Jan)	91	73	1 Jan	25 Apr
86.	Glaucous Gull	0	0	1	0	1	0	1	1 ( 1 Mar)	1	1	1 Mar	1 Mar
87.	Lesser Black-backed Gull	41	493	8336	3654	12524	548	11976	1628 ( 9 Mar)	85	68	1 Jan	25 Apr
88.	Arctic Skua	1	0	0	0	1	1	0	1 ( 3 Jan)	1	1	3 Jan	3 Jan
89.	Razorbill	1	0	0	0	1	1	0	1 ( 8 Jan)	1	1	8 Jan	8 Jan
90.	Razorbill/Guillemot	40	0	0	0	40	38	2	20 (10 Jan)	8	6	2 Jan	26 Jan
	Species	Jan	Feb	Mar	Apr	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
91.	Red-throated Diver	933	174	118	33	1258	925	333	188 (10 Jan)	83	66	1 Jan	25 Apr
92.	Black-throated Diver	3	0	1	0	4	3	1	1 ( 2 Jan)	5	4	2 Jan	26 Mar
93.	Great Northern Diver	1	0	0	0	1	1	0	1 (10 Jan)	1	1	10 Jan	10 Jan
94.	diver sp.	9	1	1	0	11	7	4	6 (10 Jan)	8	6	4 Jan	28 Mar
95.	Sooty Shearwater	1	0	0	0	1	1	0	1 ( 8 Jan)	1	1	8 Jan	8 Jan
96.	White Stork	0	1	3	3	7	0	7	2 ( 7 Mar)	8	6	26 Feb	15 Apr
97.	Gannet	1333	323	399	10	2065	1291	774	247 (10 Jan)	71	57	1 Jan	25 Apr
98.	Cormorant	6595	2520	5422	2861	17398	6721	10677	1801 ( 4 Jan)	100	80	1 Jan	25 Apr
99.	Spoonbill	0	0	190	374	564	2	562	85 (21 Mar)	30	24	8 Mar	23 Apr
100.	Little Egret	0	0	0	1	1	0	1	1 (23 Apr)	1	1	23 Apr	23 Apr
101.	Cattle Egret	0	0	1	0	1	0	1	1 ( 6 Mar)	1	1	6 Mar	6 Mar
102.	Great White Egret	0	0	9	23	32	0	32	13 ( 4 Apr)	13	10	7 Mar	21 Apr
103.	heron sp.	0	0	0	2	2	0	2	2 (12 Apr)	1	1	12 Apr	12 Apr
104.	Grey Heron	6	11	124	395	536	24	512	208 ( 4 Apr)	59	47	4 Jan	25 Apr
105.	Osprey	0	0	0	1	1	0	1	1 ( 7 Apr)	1	1	7 Apr	7 Apr
106.	Sparrowhawk	0	2	24	36	62	2	60	7 (21 Mar)	35	28	21 Feb	25 Apr
107.	Goshawk	0	1	1	0	2	1	1	1 (16 Feb)	3	2	16 Feb	8 Mar
108.	Marsh Harrier	0	0	19	52	71	0	71	17 ( 4 Apr)	23	18	15 Mar	23 Apr
109.	Hen Harrier	1	0	0	0	1	1	0	1 ( 2 Jan)	1	1	2 Jan	2 Jan
110.	Red Kite	1	0	1	1	3	1	2	1 (26 Jan)	4	3	26 Jan	2 Apr
111.	Black Kite	0	0	0	1	1	0	1	1 (15 Apr)	1	1	15 Apr	15 Apr
112.	White-tailed Eagle	0	1	1	0	2	1	1	1 ( 9 Feb)	3	2	9 Feb	13 Mar
113.	Common Buzzard	0	4	18	1	23	2	21	4 ( 7 Mar)	16	13	14 Feb	4 Apr
114.	Short-eared Owl	0	0	1	2	3	0	3	1 (21 Mar)	4	3	21 Mar	4 Apr
115.	Great Spotted Woodpecker	0	3	9	7	19	4	15	3 (21 Feb)	14	11	21 Feb	18 Apr
116.	Kestrel	0	0	9	58	67	0	67	25 ( 4 Apr)	16	13	19 Mar	20 Apr
117.	Merlin	0	0	0	15	15	1	14	9 ( 4 Apr)	6	5	4 Apr	15 Apr
118.	Peregrine	0	1	0	0	1	1	0	1 (26 Feb)	1	1	26 Feb	26 Feb
119.	Jay	0	0	5	17	22	4	18	6 ( 4 Apr)	11	9	6 Mar	23 Apr
120.	Magpie	5	19	38	59	121	14	107	17 ( 4 Apr)	34	27	2 Jan	19 Apr
	Species	Jan	Feb	Mar	Apr	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
121.	Jackdaw	0	166	459	184	809	57	752	142 (26 Feb)	49	39	1 Feb	23 Apr
122.	Rook	0	0	11	20	31	10	21	6 (12 Apr)	24	19	8 Mar	23 Apr
123.	Carrion Crow	0	3	122	311	436	19	417	56 ( 3 Apr)	46	37	1 Feb	24 Apr
124.	Raven	0	0	1	0	1	1	0	1 ( 5 Mar)	1	1	5 Mar	5 Mar
125.	Blue Tit	8	16	36	10	70	11	59	10 ( 7 Mar)	31	25	10 Jan	19 Apr
126.	Great Tit	0	19	42	9	70	24	46	10 ( 9 Mar)	30	24	9 Feb	23 Apr
127.	Wood Lark	0	43	58	12	113	14	99	17 (23 Feb)	33	26	21 Feb	13 Apr
128.	Skylark	1	67	81	14	163	3	160	47 (23 Feb)	34	27	26 Jan	15 Apr
129.	Sand Martin	0	0	17	640	657	75	582	201 ( 4 Apr)	24	19	9 Mar	23 Apr
130.	Swallow	0	0	9	871	880	189	691	309 (21 Apr)	26	21	21 Mar	25 Apr
131.	House Martin	0	0	0	29	29	2	27	8 (12 Apr)	13	10	4 Apr	23 Apr
132.	Long-tailed Tit	0	10	6	4	20	0	20	4 ( 9 Feb)	8	6	7 Feb	4 Apr
133.	Willow Warbler	0	0	0	3	3	1	2	1 ( 4 Apr)	4	3	4 Apr	12 Apr
134.	Chiffchaff	0	0	71	8	79	3	76	27 (21 Mar)	20	16	7 Mar	9 Apr
135.	Chiffchaff/Willow Warbler	0	0	0	24	24	1	23	5 ( 8 Apr)	11	9	2 Apr	25 Apr
136.	Goldcrest	1	0	2	2	5	2	3	1 ( 2 Jan)	6	5	2 Jan	12 Apr
137.	Nuthatch	0	0	1	0	1	1	0	1 ( 9 Mar)	1	1	9 Mar	9 Mar
138.	Starling	144	123	3046	188	3501	291	3210	969 (21 Mar)	75	60	2 Jan	25 Apr
139.	Song Thrush	4	6	1380	1805	3195	25	3170	533 (22 Mar)	51	41	4 Jan	25 Apr
140.	Mistle Thrush	0	13	18	38	69	4	65	18 ( 3 Apr)	28	22	18 Feb	19 Apr
141.	Redwing	42	17	78	28	165	38	127	30 (24 Mar)	36	29	2 Jan	8 Apr
142.	Blackbird	2	0	8	1	11	2	9	4 (22 Mar)	9	7	2 Jan	7 Apr
143.	Fieldfare	17	6	6	5	34	19	15	8 (11 Jan)	15	12	2 Jan	25 Apr
144.	Ring Ouzel	0	0	0	111	111	4	107	38 ( 4 Apr)	15	12	2 Apr	21 Apr
145.	Black Redstart	0	0	2	3	5	1	4	2 (22 Mar)	5	4	22 Mar	12 Apr
146.	Redstart	0	0	0	1	1	1	0	1 (12 Apr)	1	1	12 Apr	12 Apr
147.	Stonechat	0	0	2	0	2	0	2	1 ( 7 Mar)	3	2	7 Mar	22 Mar
148.	Wheatear	0	0	0	8	8	0	8	4 (15 Apr)	5	4	4 Apr	20 Apr
149.	Tree Sparrow	0	0	2	1	3	0	3	1 ( 8 Mar)	4	3	8 Mar	15 Apr
150.	House Sparrow	0	0	1	2	3	1	2	1 ( 9 Mar)	4	3	9 Mar	7 Apr
	Species	Jan	Feb	Mar	Apr	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
151.	Dunnock	0	5	28	7	40	2	38	6 ( 8 Mar)	25	20	1 Feb	19 Apr
152.	Blue-headed Wagtail	0	0	2	14	16	1	15	6 (12 Apr)	9	7	22 Mar	23 Apr
153.	Yellow Wagtail (flavissima)	0	0	0	3	3	0	3	1 ( 5 Apr)	4	3	5 Apr	23 Apr
154.	Yellow wagtail sp.	0	0	6	594	600	2	598	115 (15 Apr)	26	21	19 Mar	25 Apr
155.	Grey Wagtail	0	1	23	6	30	0	30	9 (22 Mar)	15	12	1 Feb	21 Apr
156.	White Wagtail	2	3	70	16	91	15	76	16 ( 8 Mar)	30	24	26 Jan	19 Apr
157.	alba wagtail sp.	0	18	988	319	1325	34	1291	219 (21 Mar)	59	47	8 Feb	25 Apr
158.	Pied Wagtail	0	1	8	3	12	1	11	2 ( 8 Mar)	11	9	23 Feb	12 Apr
159.	Meadow Pipit	10	276	2241	10078	12605	57	12548	4661 (15 Apr)	71	57	2 Jan	25 Apr
160.	Tree Pipit	0	0	2	141	143	0	143	29 (12 Apr)	20	16	23 Mar	23 Apr
161.	Water Pipit	0	0	1	0	1	0	1	1 (21 Mar)	1	1	21 Mar	21 Mar
162.	Rock Pipit	0	1	2	0	3	0	3	1 (28 Feb)	4	3	28 Feb	19 Mar
163.	Rock Pipit/Water Pipit	0	0	13	1	14	0	14	4 (21 Mar)	10	8	8 Mar	1 Apr
164.	Chaffinch	136	348	1111	80	1675	233	1442	343 ( 9 Mar)	79	63	1 Jan	25 Apr
165.	Brambling	0	0	6	4	10	1	9	3 (21 Mar)	8	6	2 Mar	8 Apr
166.	Hawfinch	0	1	10	15	26	1	25	6 ( 7 Apr)	15	12	28 Feb	15 Apr
167.	Bullfinch	0	0	1	1	2	0	2	1 ( 2 Mar)	3	2	2 Mar	15 Apr
168.	Greenfinch	5	20	139	33	197	43	154	32 ( 8 Mar)	56	45	8 Jan	23 Apr
169.	Linnet	0	4	245	476	725	62	663	87 ( 4 Apr)	56	45	1 Feb	25 Apr
170.	Lesser Redpoll	0	0	0	1	1	1	0	1 ( 7 Apr)	1	1	7 Apr	7 Apr
171.	redpoll sp.	0	2	9	4	15	9	6	3 ( 7 Mar)	10	8	28 Feb	15 Apr
172.	Goldfinch	16	19	99	49	183	66	117	13 (22 Mar)	58	46	1 Jan	25 Apr
173.	Serin	0	1	0	1	2	1	1	1 (23 Feb)	3	2	23 Feb	19 Apr
174.	Siskin	2	15	59	14	90	73	17	14 (19 Mar)	39	31	2 Jan	23 Apr
175.	Lapland Bunting	0	0	1	0	1	0	1	1 (19 Mar)	1	1	19 Mar	19 Mar
176.	Reed Bunting	0	6	137	11	154	13	141	50 ( 8 Mar)	31	25	23 Feb	25 Apr
177.	passerine sp.	0	0	7	5	12	0	12	4 ( 4 Apr)	8	6	1 Mar	19 Apr
	Other species
	Species	Jan	Feb	Mar	Apr	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Harbour Porpoise	3	6	2	4	15	10	5	3 ( 9 Feb)	13	10	1 Jan	21 Apr
2.	Grey seal	0	0	2	0	2	2	0	2 ( 2 Mar)	1	1	2 Mar	2 Mar
3.	Common Seal	0	0	0	1	1	0	1	1 (25 Apr)	1	1	25 Apr	25 Apr
	Other species
	Species	Jan	Feb	Mar	Apr	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Brimstone	0	0	2	1	3	2	1	1 (20 Mar)	4	3	20 Mar	3 Apr
2.	European Peacock	0	0	5	1	6	0	6	5 (21 Mar)	3	2	21 Mar	12 Apr
3.	Speckled Wood	0	0	0	3	3	0	3	3 (12 Apr)	1	1	12 Apr	12 Apr
4.	Large White	0	0	0	2	2	0	2	2 (19 Apr)	1	1	19 Apr	19 Apr
5.	Small White	0	0	1	8	9	1	8	7 (12 Apr)	4	3	20 Mar	12 Apr
6.	white sp. (butterfly)	0	0	0	4	4	0	4	2 ( 4 Apr)	4	3	3 Apr	19 Apr
7.	Comma	0	0	0	1	1	0	1	1 (12 Apr)	1	1	12 Apr	12 Apr
8.	Red Admiral	0	0	4	4	8	0	8	2 ( 3 Apr)	9	7	8 Mar	12 Apr
	Other species
	Species	Jan	Feb	Mar	Apr	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Bumblebee sp.	0	0	47	7	54	4	50	11 (21 Mar)	23	18	2 Mar	25 Apr
	Species	Jan	Feb	Mar	Apr	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
	Totals	32535	16346	56614	54195	159690	32476	127214		100	80
	Observation hours	65:45	58:43	119:12	81:38	325:18

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Totals De Vulkaan (Den Haag) 2025