Also present

Totals De Vulkaan (Den Haag) 2025

	Species	Jan	Feb	Mar	Apr	May	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Dark-bellied Brent Goose	26	1	480	179	193	879	105	774	239 (30 Mar)	37	36	1 Jan	12 May
2.	Canada Goose	83	74	320	80	23	580	188	392	54 ( 8 Mar)	57	55	1 Jan	13 May
3.	Barnacle Goose	386	914	2398	2990	3952	10640	1363	9277	1317 ( 1 May)	60	58	3 Jan	13 May
4.	Lesser Canada Goose	0	0	1	0	1	2	0	2	1 ( 9 Mar)	2	2	9 Mar	2 May
5.	Bar-headed Goose	0	0	0	1	0	1	1	0	1 (28 Apr)	1	1	28 Apr	28 Apr
6.	Greylag Goose	82	330	1131	405	313	2261	832	1429	181 (19 Mar)	81	79	1 Jan	13 May
7.	Anser sp.	37	270	47	0	0	354	0	354	210 ( 1 Feb)	4	4	31 Jan	8 Mar
8.	goose sp.	10539	861	1079	255	903	13637	707	12930	8558 (11 Jan)	35	34	2 Jan	13 May
9.	Domestic Goose	0	1	0	0	1	2	1	1	1 (23 Feb)	2	2	23 Feb	11 May
10.	Feral Mallard	0	0	1	0	0	1	0	1	1 (31 Mar)	1	1	31 Mar	31 Mar
11.	Pink-footed Goose	178	2082	26	0	0	2286	14	2272	1045 (23 Feb)	10	10	2 Jan	7 Mar
12.	Tundra Bean Goose	11	36	0	0	0	47	0	47	27 (23 Feb)	4	4	26 Jan	23 Feb
13.	Eurasian White-fronted Goose	263	927	58	0	0	1248	178	1070	365 (26 Feb)	14	14	2 Jan	19 Mar
14.	Mute Swan	3	5	1	26	75	110	78	32	30 ( 3 May)	21	20	10 Jan	12 May
15.	Whooper Swan	0	0	2	0	0	2	2	0	2 (19 Mar)	1	1	19 Mar	19 Mar
16.	Egyptian Goose	99	172	431	426	97	1225	369	856	58 ( 9 Mar)	73	71	2 Jan	13 May
17.	Shelduck	39	42	87	268	256	692	237	455	56 ( 9 May)	65	63	2 Jan	13 May
18.	Ruddy Shelduck	0	0	1	0	1	2	0	2	1 (28 Mar)	2	2	28 Mar	9 May
19.	Garganey	0	0	0	3	0	3	0	3	3 ( 3 Apr)	1	1	3 Apr	3 Apr
20.	Shoveler	0	3	201	364	0	568	28	540	104 ( 8 Apr)	24	23	18 Feb	29 Apr
21.	Gadwall	12	2	8	20	12	54	24	30	7 (22 Jan)	21	20	3 Jan	13 May
22.	Wigeon	699	111	635	5	0	1450	477	973	214 (14 Mar)	36	35	1 Jan	7 Apr
23.	Mallard	6	2	29	21	10	68	15	53	7 ( 1 Mar)	25	24	5 Jan	11 May
24.	Pintail	1	12	78	38	1	130	3	127	32 ( 5 Apr)	16	16	3 Jan	7 May
25.	Teal	7	47	201	70	4	329	26	303	57 (29 Mar)	34	33	8 Jan	7 May
26.	duck sp.	0	5	46	17	1	69	8	61	21 ( 1 Mar)	15	15	18 Feb	2 May
27.	Garganey/Teal	0	0	1	0	0	1	0	1	1 (30 Mar)	1	1	30 Mar	30 Mar
28.	Pochard	0	0	0	1	0	1	0	1	1 (23 Apr)	1	1	23 Apr	23 Apr
29.	Tufted Duck	4	0	2	0	3	9	2	7	3 (10 May)	6	6	3 Jan	10 May
30.	Scaup	0	0	1	0	0	1	1	0	1 (16 Mar)	1	1	16 Mar	16 Mar
	Species	Jan	Feb	Mar	Apr	May	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
31.	Aythya sp.	0	0	1	0	0	1	0	1	1 ( 7 Mar)	1	1	7 Mar	7 Mar
32.	Eider	35	82	396	272	85	870	568	302	60 ( 1 Mar)	75	73	2 Jan	12 May
33.	Velvet Scoter	13	0	2	0	0	15	13	2	5 (25 Jan)	6	6	2 Jan	31 Mar
34.	Common Scoter	180	153	855	466	109	1763	960	803	196 ( 1 Mar)	73	71	1 Jan	10 May
35.	Long-tailed Duck	0	2	0	0	0	2	2	0	2 ( 6 Feb)	1	1	6 Feb	6 Feb
36.	Goldeneye	0	0	1	0	0	1	1	0	1 ( 8 Mar)	1	1	8 Mar	8 Mar
37.	Goosander	0	1	5	2	0	8	1	7	3 (17 Mar)	4	4	1 Feb	1 Apr
38.	Red-breasted Merganser	20	19	133	157	8	337	147	190	40 ( 5 Apr)	57	55	3 Jan	12 May
39.	Swift	0	0	0	1053	5192	6245	106	6139	1993 (11 May)	23	22	15 Apr	13 May
40.	Cuckoo	0	0	0	2	3	5	1	4	1 (13 Apr)	5	5	13 Apr	12 May
41.	Stock Dove	4	29	61	64	12	170	26	144	18 ( 4 Apr)	42	41	1 Jan	10 May
42.	Woodpigeon	146	384	5156	2673	440	8799	2090	6709	1747 (19 Mar)	89	86	1 Jan	13 May
43.	Turtle Dove	0	0	0	0	1	1	0	1	1 (13 May)	1	1	13 May	13 May
44.	Collared Dove	4	0	14	27	21	66	13	53	7 (10 May)	31	30	11 Jan	13 May
45.	Red-necked Grebe	0	0	1	0	0	1	0	1	1 ( 9 Mar)	1	1	9 Mar	9 Mar
46.	Great Crested Grebe	45	117	116	38	24	340	206	134	54 ( 1 Feb)	59	57	3 Jan	13 May
47.	Oystercatcher	12	92	141	633	475	1353	664	689	91 (28 Apr)	76	74	1 Jan	13 May
48.	Avocet	0	0	8	7	1	16	1	15	7 (22 Mar)	4	4	8 Mar	12 May
49.	Grey Plover	0	0	5	66	124	195	1	194	66 ( 7 May)	16	16	14 Mar	13 May
50.	Golden Plover	53	10	159	23	0	245	13	232	120 (28 Mar)	16	16	2 Jan	8 Apr
51.	Ringed Plover	0	0	36	103	68	207	4	203	31 ( 5 May)	24	23	5 Mar	13 May
52.	Little Ringed Plover	0	0	9	11	0	20	3	17	7 (21 Mar)	9	9	7 Mar	25 Apr
53.	Lapwing	0	20	9	6	7	42	7	35	18 (18 Feb)	15	15	1 Feb	12 May
54.	Whimbrel	0	0	2	1323	213	1538	5	1533	338 ( 5 Apr)	35	34	31 Mar	13 May
55.	Curlew	1	8	34	28	5	76	19	57	7 ( 9 Mar)	28	27	11 Jan	9 May
56.	Bar-tailed Godwit	0	0	11	104	9	124	14	110	63 (25 Apr)	19	18	30 Mar	11 May
57.	Black-tailed Godwit	0	3	4	8	0	15	3	12	5 ( 3 Apr)	6	6	23 Feb	5 Apr
58.	Jack Snipe	0	1	1	0	0	2	0	2	1 (28 Feb)	2	2	28 Feb	19 Mar
59.	Woodcock	0	0	1	0	0	1	1	0	1 (16 Mar)	1	1	16 Mar	16 Mar
60.	Snipe	1	0	7	8	0	16	2	14	3 (15 Apr)	12	12	11 Jan	15 Apr
	Species	Jan	Feb	Mar	Apr	May	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
61.	Common Sandpiper	0	0	0	0	4	4	0	4	3 (10 May)	2	2	10 May	11 May
62.	Green Sandpiper	0	0	5	57	2	64	0	64	11 ( 4 Apr)	19	18	21 Mar	9 May
63.	Wood Sandpiper	0	0	0	11	0	11	0	11	8 (15 Apr)	2	2	15 Apr	30 Apr
64.	Redshank	0	0	17	153	46	216	0	216	73 ( 5 Apr)	20	19	8 Mar	13 May
65.	Spotted Redshank	0	0	0	2	0	2	0	2	1 (13 Apr)	2	2	13 Apr	25 Apr
66.	Greenshank	0	0	0	13	10	23	1	22	7 ( 9 May)	10	10	3 Apr	11 May
67.	Turnstone	0	0	2	1	2	5	2	3	2 (15 Mar)	3	3	15 Mar	7 May
68.	Knot	0	0	0	16	74	90	0	90	42 ( 5 May)	5	5	5 Apr	7 May
69.	Ruff	0	0	4	18	0	22	0	22	14 ( 2 Apr)	3	3	29 Mar	3 Apr
70.	wader sp.	1	18	92	406	182	699	22	677	202 ( 5 Apr)	31	30	17 Jan	11 May
71.	small wader	0	0	0	0	14	14	0	14	14 ( 7 May)	1	1	7 May	7 May
72.	Sanderling	3	11	156	102	195	467	18	449	86 (10 Mar)	32	31	10 Jan	13 May
73.	Dunlin	0	4	79	548	19	650	7	643	290 ( 5 Apr)	36	35	9 Feb	13 May
74.	Little Stint	0	0	0	0	24	24	0	24	18 ( 5 May)	3	3	5 May	13 May
75.	Little Tern	0	0	0	165	117	282	6	276	56 ( 4 May)	22	21	9 Apr	13 May
76.	Gull-billed Tern	0	0	0	1	0	1	0	1	1 (30 Apr)	1	1	30 Apr	30 Apr
77.	Caspian Tern	0	0	0	7	0	7	0	7	4 (12 Apr)	2	2	12 Apr	28 Apr
78.	Black Tern	0	0	0	24	37	61	1	60	15 ( 7 May)	13	13	18 Apr	13 May
79.	Arctic Tern	0	0	0	20	23	43	0	43	12 (25 Apr)	9	9	18 Apr	8 May
80.	Common/Arctic Tern	0	0	0	1640	4258	5898	318	5580	1662 ( 9 May)	22	21	19 Apr	13 May
81.	Common Tern	0	0	9	3563	2324	5896	454	5442	713 (21 Apr)	37	36	21 Mar	13 May
82.	Sandwich Tern	0	0	34	4636	1536	6206	1323	4883	595 ( 8 Apr)	42	41	9 Mar	13 May
83.	Little Gull	42	3	122	3611	91	3869	478	3391	2546 ( 1 Apr)	30	29	2 Jan	2 May
84.	Kittiwake	404	0	0	0	0	404	397	7	156 ( 8 Jan)	10	10	1 Jan	26 Jan
85.	Black-headed Gull	1743	2296	7682	6811	3252	21784	3576	18208	2968 ( 4 Apr)	97	94	1 Jan	13 May
86.	Mediterranean Gull	0	0	7	130	28	165	33	132	32 (12 Apr)	31	30	7 Mar	13 May
87.	Common Gull	2662	702	3916	6032	937	14249	3179	11070	1097 ( 4 Apr)	99	96	1 Jan	13 May
88.	Caspian Gull	5	2	1	2	0	10	7	3	2 (10 Jan)	8	8	4 Jan	24 Apr
89.	Herring Gull	4774	1569	4411	1427	383	12564	4612	7952	911 ( 8 Jan)	94	91	1 Jan	13 May
90.	Yellow-legged Gull	7	0	1	0	0	8	6	2	3 ( 8 Jan)	5	5	5 Jan	13 Mar
	Species	Jan	Feb	Mar	Apr	May	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
91.	Great Black-backed Gull	541	153	182	187	26	1089	539	550	76 ( 2 Jan)	85	82	1 Jan	12 May
92.	Glaucous Gull	0	0	1	0	0	1	0	1	1 ( 1 Mar)	1	1	1 Mar	1 Mar
93.	Lesser Black-backed Gull	41	493	8336	5198	2036	16104	673	15431	1628 ( 9 Mar)	88	85	1 Jan	13 May
94.	Arctic Skua	1	0	0	0	0	1	1	0	1 ( 3 Jan)	1	1	3 Jan	3 Jan
95.	Razorbill	1	0	0	0	0	1	1	0	1 ( 8 Jan)	1	1	8 Jan	8 Jan
96.	Razorbill/Guillemot	40	0	0	0	0	40	38	2	20 (10 Jan)	6	6	2 Jan	26 Jan
97.	Red-throated Diver	933	174	118	38	2	1265	925	340	188 (10 Jan)	74	72	1 Jan	9 May
98.	Black-throated Diver	3	0	1	0	0	4	3	1	1 ( 2 Jan)	4	4	2 Jan	26 Mar
99.	Great Northern Diver	1	0	0	0	0	1	1	0	1 (10 Jan)	1	1	10 Jan	10 Jan
100.	diver sp.	9	1	1	0	0	11	7	4	6 (10 Jan)	6	6	4 Jan	28 Mar
101.	Fulmar	0	0	0	0	1	1	0	1	1 (10 May)	1	1	10 May	10 May
102.	Sooty Shearwater	1	0	0	0	0	1	1	0	1 ( 8 Jan)	1	1	8 Jan	8 Jan
103.	White Stork	0	1	3	3	2	9	0	9	2 ( 7 Mar)	7	7	26 Feb	12 May
104.	Gannet	1333	323	399	10	15	2080	1292	788	247 (10 Jan)	65	63	1 Jan	9 May
105.	Cormorant	6595	2520	5422	3989	2626	21152	7328	13824	1801 ( 4 Jan)	100	97	1 Jan	13 May
106.	Spoonbill	0	0	190	417	109	716	8	708	85 (21 Mar)	39	38	8 Mar	13 May
107.	Little Egret	0	0	0	3	0	3	0	3	1 (23 Apr)	3	3	23 Apr	30 Apr
108.	Cattle Egret	0	0	1	2	1	4	0	4	2 (29 Apr)	3	3	6 Mar	12 May
109.	Great White Egret	0	0	9	23	33	65	1	64	17 (12 May)	16	16	7 Mar	13 May
110.	heron sp.	0	0	0	3	1	4	0	4	2 (12 Apr)	3	3	12 Apr	3 May
111.	Grey Heron	6	11	124	421	118	680	37	643	208 ( 4 Apr)	62	60	4 Jan	13 May
112.	Purple Heron	0	0	0	0	8	8	0	8	3 (13 May)	5	5	1 May	13 May
113.	Osprey	0	0	0	1	1	2	0	2	1 ( 7 Apr)	2	2	7 Apr	13 May
114.	Sparrowhawk	0	2	24	41	4	71	4	67	7 (21 Mar)	37	36	21 Feb	12 May
115.	Goshawk	0	1	1	0	0	2	1	1	1 (16 Feb)	2	2	16 Feb	8 Mar
116.	Marsh Harrier	0	0	19	57	36	112	1	111	17 ( 4 Apr)	30	29	15 Mar	13 May
117.	Hen Harrier	1	0	0	0	2	3	2	1	1 ( 2 Jan)	3	3	2 Jan	11 May
118.	Red Kite	1	0	1	1	1	4	1	3	1 (26 Jan)	4	4	26 Jan	13 May
119.	Black Kite	0	0	0	1	0	1	0	1	1 (15 Apr)	1	1	15 Apr	15 Apr
120.	White-tailed Eagle	0	1	1	0	0	2	1	1	1 ( 9 Feb)	2	2	9 Feb	13 Mar
	Species	Jan	Feb	Mar	Apr	May	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
121.	Common Buzzard	0	4	18	3	4	29	3	26	4 ( 7 Mar)	16	16	14 Feb	12 May
122.	Short-eared Owl	0	0	1	2	0	3	0	3	1 (21 Mar)	3	3	21 Mar	4 Apr
123.	European Bee-eater	0	0	0	3	0	3	2	1	2 (26 Apr)	2	2	26 Apr	27 Apr
124.	Great Spotted Woodpecker	0	3	9	7	2	21	5	16	3 (21 Feb)	13	13	21 Feb	2 May
125.	Kestrel	0	0	9	59	6	74	0	74	25 ( 4 Apr)	20	19	19 Mar	13 May
126.	Red-footed Falcon	0	0	0	0	1	1	0	1	1 ( 1 May)	1	1	1 May	1 May
127.	Merlin	0	0	0	19	4	23	1	22	9 ( 4 Apr)	12	12	4 Apr	10 May
128.	Hobby	0	0	0	1	1	2	0	2	1 (27 Apr)	2	2	27 Apr	9 May
129.	Peregrine	0	1	0	0	1	2	1	1	1 (26 Feb)	2	2	26 Feb	1 May
130.	Golden Oriole	0	0	0	0	2	2	0	2	1 (11 May)	2	2	11 May	12 May
131.	Jay	0	0	5	18	0	23	4	19	6 ( 4 Apr)	10	10	6 Mar	27 Apr
132.	Magpie	5	19	38	68	3	133	14	119	17 ( 4 Apr)	32	31	2 Jan	3 May
133.	Jackdaw	0	166	459	276	108	1009	65	944	142 (26 Feb)	55	53	1 Feb	12 May
134.	Rook	0	0	11	21	3	35	11	24	6 (12 Apr)	23	22	8 Mar	9 May
135.	Carrion Crow	0	3	122	343	40	508	22	486	56 ( 3 Apr)	51	49	1 Feb	13 May
136.	Raven	0	0	1	0	0	1	1	0	1 ( 5 Mar)	1	1	5 Mar	5 Mar
137.	Blue Tit	8	16	36	10	0	70	11	59	10 ( 7 Mar)	26	25	10 Jan	19 Apr
138.	Great Tit	0	19	42	9	1	71	25	46	10 ( 9 Mar)	26	25	9 Feb	1 May
139.	Wood Lark	0	43	58	15	7	123	19	104	17 (23 Feb)	33	32	21 Feb	13 May
140.	Skylark	1	67	81	14	0	163	3	160	47 (23 Feb)	28	27	26 Jan	15 Apr
141.	Sand Martin	0	0	17	914	215	1146	130	1016	201 ( 4 Apr)	35	34	9 Mar	13 May
142.	Swallow	0	0	9	1762	1854	3625	657	2968	643 (11 May)	39	38	21 Mar	13 May
143.	House Martin	0	0	0	67	192	259	17	242	80 (11 May)	23	22	4 Apr	13 May
144.	Long-tailed Tit	0	10	6	4	0	20	0	20	4 ( 9 Feb)	6	6	7 Feb	4 Apr
145.	Willow Warbler	0	0	0	3	1	4	2	2	1 ( 4 Apr)	4	4	4 Apr	7 May
146.	Chiffchaff	0	0	71	8	0	79	3	76	27 (21 Mar)	16	16	7 Mar	9 Apr
147.	Chiffchaff/Willow Warbler	0	0	0	30	1	31	2	29	5 ( 8 Apr)	14	14	2 Apr	5 May
148.	Blackcap	0	0	0	1	0	1	0	1	1 (26 Apr)	1	1	26 Apr	26 Apr
149.	Whitethroat	0	0	0	1	0	1	0	1	1 (26 Apr)	1	1	26 Apr	26 Apr
150.	Goldcrest	1	0	2	2	0	5	2	3	1 ( 2 Jan)	5	5	2 Jan	12 Apr
	Species	Jan	Feb	Mar	Apr	May	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
151.	Nuthatch	0	0	1	0	0	1	1	0	1 ( 9 Mar)	1	1	9 Mar	9 Mar
152.	Starling	144	123	3046	207	19	3539	301	3238	969 (21 Mar)	75	73	2 Jan	12 May
153.	Song Thrush	4	6	1380	1811	2	3203	26	3177	533 (22 Mar)	48	47	4 Jan	12 May
154.	Mistle Thrush	0	13	18	38	0	69	4	65	18 ( 3 Apr)	23	22	18 Feb	19 Apr
155.	Redwing	42	17	78	28	0	165	38	127	30 (24 Mar)	30	29	2 Jan	8 Apr
156.	Blackbird	2	0	8	1	0	11	2	9	4 (22 Mar)	7	7	2 Jan	7 Apr
157.	Fieldfare	17	6	6	5	0	34	19	15	8 (11 Jan)	12	12	2 Jan	25 Apr
158.	Ring Ouzel	0	0	0	113	2	115	6	109	38 ( 4 Apr)	14	14	2 Apr	10 May
159.	thrush sp.	0	0	0	1	0	1	0	1	1 (27 Apr)	1	1	27 Apr	27 Apr
160.	Spotted Flycatcher	0	0	0	2	19	21	2	19	4 ( 9 May)	9	9	30 Apr	13 May
161.	Black Redstart	0	0	2	3	1	6	1	5	2 (22 Mar)	5	5	22 Mar	3 May
162.	Redstart	0	0	0	1	0	1	1	0	1 (12 Apr)	1	1	12 Apr	12 Apr
163.	Whinchat	0	0	0	0	1	1	0	1	1 ( 1 May)	1	1	1 May	1 May
164.	Stonechat	0	0	2	0	0	2	0	2	1 ( 7 Mar)	2	2	7 Mar	22 Mar
165.	Wheatear	0	0	0	9	10	19	0	19	4 (15 Apr)	12	12	4 Apr	13 May
166.	Tree Sparrow	0	0	2	1	0	3	0	3	1 ( 8 Mar)	3	3	8 Mar	15 Apr
167.	House Sparrow	0	0	1	4	3	8	3	5	3 ( 5 May)	6	6	9 Mar	5 May
168.	Dunnock	0	5	28	7	1	41	2	39	6 ( 8 Mar)	22	21	1 Feb	9 May
169.	Blue-headed Wagtail	0	0	2	19	10	31	8	23	6 (12 Apr)	13	13	22 Mar	5 May
170.	Yellow Wagtail (flavissima)	0	0	0	5	16	21	0	21	11 ( 1 May)	9	9	5 Apr	11 May
171.	Grey-headed Wagtail	0	0	0	1	9	10	0	10	3 ( 1 May)	6	6	30 Apr	12 May
172.	Yellow wagtail sp.	0	0	6	802	177	985	20	965	115 (15 Apr)	39	38	19 Mar	13 May
173.	Grey Wagtail	0	1	23	6	1	31	0	31	9 (22 Mar)	13	13	1 Feb	12 May
174.	White Wagtail	2	3	70	18	2	95	15	80	16 ( 8 Mar)	29	28	26 Jan	3 May
175.	alba wagtail sp.	0	18	988	339	22	1367	41	1326	219 (21 Mar)	64	62	8 Feb	12 May
176.	Pied Wagtail	0	1	8	3	0	12	1	11	2 ( 8 Mar)	9	9	23 Feb	12 Apr
177.	Meadow Pipit	10	276	2241	10404	133	13064	68	12996	4661 (15 Apr)	75	73	2 Jan	13 May
178.	Tree Pipit	0	0	2	189	38	229	2	227	29 (12 Apr)	32	31	23 Mar	13 May
179.	Water Pipit	0	0	1	0	0	1	0	1	1 (21 Mar)	1	1	21 Mar	21 Mar
180.	Rock Pipit	0	1	2	0	0	3	0	3	1 (28 Feb)	3	3	28 Feb	19 Mar
	Species	Jan	Feb	Mar	Apr	May	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
181.	Rock Pipit/Water Pipit	0	0	13	1	0	14	0	14	4 (21 Mar)	8	8	8 Mar	1 Apr
182.	pipit sp.	0	0	0	0	1	1	0	1	1 ( 5 May)	1	1	5 May	5 May
183.	Chaffinch	136	348	1111	87	6	1688	235	1453	343 ( 9 Mar)	74	72	1 Jan	11 May
184.	Brambling	0	0	6	4	0	10	1	9	3 (21 Mar)	6	6	2 Mar	8 Apr
185.	Hawfinch	0	1	10	25	23	59	20	39	6 ( 7 Apr)	23	22	28 Feb	13 May
186.	Bullfinch	0	0	1	1	0	2	0	2	1 ( 2 Mar)	2	2	2 Mar	15 Apr
187.	Greenfinch	5	20	139	37	5	206	46	160	32 ( 8 Mar)	52	50	8 Jan	11 May
188.	Linnet	0	4	245	536	53	838	75	763	87 ( 4 Apr)	62	60	1 Feb	13 May
189.	Lesser Redpoll	0	0	0	1	0	1	1	0	1 ( 7 Apr)	1	1	7 Apr	7 Apr
190.	redpoll sp.	0	2	9	5	0	16	9	7	3 ( 7 Mar)	9	9	28 Feb	29 Apr
191.	Goldfinch	16	19	99	58	10	202	70	132	13 (22 Mar)	56	54	1 Jan	11 May
192.	Serin	0	1	0	1	0	2	1	1	1 (23 Feb)	2	2	23 Feb	19 Apr
193.	Siskin	2	15	59	17	3	96	79	17	14 (19 Mar)	37	36	2 Jan	7 May
194.	Lapland Bunting	0	0	1	0	0	1	0	1	1 (19 Mar)	1	1	19 Mar	19 Mar
195.	Reed Bunting	0	6	137	11	1	155	14	141	50 ( 8 Mar)	27	26	23 Feb	11 May
196.	passerine sp.	0	0	7	7	0	14	0	14	4 ( 4 Apr)	8	8	1 Mar	28 Apr
	Other species
	Species	Jan	Feb	Mar	Apr	May	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Harbour Porpoise	3	6	2	6	3	20	12	8	3 ( 9 Feb)	12	12	1 Jan	2 May
2.	Grey seal	0	0	2	0	0	2	2	0	2 ( 2 Mar)	1	1	2 Mar	2 Mar
3.	Common Seal	0	0	0	1	0	1	0	1	1 (25 Apr)	1	1	25 Apr	25 Apr
	Other species
	Species	Jan	Feb	Mar	Apr	May	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Small Tortoiseshell	0	0	0	0	1	1	0	1	1 (13 May)	1	1	13 May	13 May
2.	Brimstone	0	0	2	10	5	17	4	13	4 (30 Apr)	11	11	20 Mar	12 May
3.	European Peacock	0	0	5	3	4	12	1	11	5 (21 Mar)	6	6	21 Mar	12 May
4.	Swallowtail	0	0	0	0	1	1	0	1	1 (13 May)	1	1	13 May	13 May
5.	Speckled Wood	0	0	0	4	0	4	0	4	3 (12 Apr)	2	2	12 Apr	27 Apr
6.	Large White	0	0	0	2	3	5	0	5	2 (19 Apr)	4	4	19 Apr	11 May
7.	Small White	0	0	1	12	34	47	1	46	22 ( 1 May)	12	12	20 Mar	13 May
8.	white sp. (butterfly)	0	0	0	86	28	114	9	105	31 (30 Apr)	12	12	3 Apr	13 May
9.	Comma	0	0	0	1	0	1	0	1	1 (12 Apr)	1	1	12 Apr	12 Apr
10.	Red Admiral	0	0	4	6	19	29	2	27	7 (11 May)	13	13	8 Mar	13 May
	Other species
	Species	Jan	Feb	Mar	Apr	May	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Darter unknown	0	0	0	0	1	1	0	1	1 (11 May)	1	1	11 May	11 May
2.	Black-tailed Skimmer	0	0	0	0	1	1	0	1	1 (11 May)	1	1	11 May	11 May
	Other species
	Species	Jan	Feb	Mar	Apr	May	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Bumblebee sp.	0	0	47	16	45	108	12	96	16 (11 May)	31	30	2 Mar	13 May
	Species	Jan	Feb	Mar	Apr	May	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
	Totals	32535	16346	56614	70649	34382	210526	36990	173536		100	97
	Observation hours	65:45	58:43	119:12	114:17	70:17	428:14

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Totals De Vulkaan (Den Haag) 2025