Totals De Hoekse Sluis (Bergambacht) 2025

Year
Period
count-field
Also present

	Species	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Canada Goose	6	5	84	0	0	0	46	11	8	160	48	112	84 (24 May)	18	14	8 Mar	8 Nov
2.	Barnacle Goose	2550	2521	6	0	0	31	14	379	276	5777	596	5181	2098 (12 Apr)	47	37	8 Mar	8 Nov
3.	Greylag Goose	77	172	421	0	0	25	491	668	255	2109	1413	696	243 (18 Oct)	67	53	8 Mar	8 Nov
4.	Pink-footed Goose	2	0	0	0	0	0	0	43	8	53	47	6	26 (30 Oct)	5	4	20 Mar	3 Nov
5.	Tundra Bean Goose	0	0	0	0	0	0	0	225	62	287	284	3	209 (30 Oct)	9	7	30 Oct	8 Nov
6.	Eurasian White-fronted Goose	2026	10	0	0	0	0	0	4613	2166	8815	6772	2043	2234 (30 Oct)	35	28	8 Mar	8 Nov
7.	Black Swan	0	0	0	0	0	0	0	1	0	1	1	0	1 (11 Oct)	1	1	11 Oct	11 Oct
8.	Mute Swan	7	44	3	0	0	6	4	14	0	78	15	63	18 (14 Apr)	20	16	8 Mar	18 Oct
9.	Egyptian Goose	0	121	32	0	0	7	57	105	12	334	167	167	58 (12 Apr)	35	28	3 Apr	8 Nov
10.	Shelduck	37	95	15	0	0	1	2	27	1	178	38	140	27 (12 Apr)	43	34	10 Mar	8 Nov
11.	Ruddy Shelduck	0	0	2	0	0	0	0	0	0	2	0	2	2 (24 May)	1	1	24 May	24 May
12.	Shoveler	2	54	18	0	0	0	14	29	21	138	64	74	33 (12 Apr)	27	21	8 Mar	7 Nov
13.	Gadwall	31	31	8	0	0	21	99	55	0	245	175	70	49 (27 Sep)	34	27	8 Mar	31 Oct
14.	Wigeon	8868	98	0	0	0	0	124	2669	2293	14052	5246	8806	3583 (8 Mar)	41	32	8 Mar	8 Nov
15.	Mallard	2	12	0	0	0	1	1	17	10	43	29	14	8 (8 Nov)	19	15	24 Mar	8 Nov
16.	Pintail	0	0	0	0	0	0	4	50	10	64	64	0	38 (18 Oct)	9	7	19 Sep	8 Nov
17.	Teal	0	2	0	0	0	12	0	6	0	20	18	2	11 (19 Aug)	9	7	3 Apr	31 Oct
18.	Red-crested Pochard	0	4	0	0	0	0	0	0	0	4	0	4	4 (12 Apr)	1	1	12 Apr	12 Apr
19.	Pochard	0	0	1	0	0	0	0	0	0	1	0	1	1 (2 May)	1	1	2 May	2 May
20.	Tufted Duck	4	29	4	0	0	0	0	8	6	51	21	30	10 (12 Apr)	24	19	21 Mar	7 Nov
21.	Goosander	1	2	0	0	0	0	0	0	0	3	2	1	1 (21 Mar)	4	3	21 Mar	12 Apr
22.	Swift	0	212	254	0	27	1	0	0	0	494	28	466	138 (26 Apr)	23	18	12 Apr	18 Aug
23.	Cuckoo	0	3	6	0	1	0	0	0	0	10	1	9	3 (8 May)	8	6	19 Apr	30 Jul
24.	Stock Dove	21	48	17	0	0	33	39	80	365	603	518	85	234 (6 Nov)	59	47	8 Mar	8 Nov
25.	Woodpigeon	301	157	15	0	0	7	221	3083	3286	7070	6599	471	2581 (6 Nov)	77	61	8 Mar	8 Nov
26.	Collared Dove	8	2	1	0	0	0	0	6	5	22	11	11	4 (19 Mar)	13	10	8 Mar	8 Nov
27.	Crane	0	0	2	0	0	0	0	0	0	2	0	2	2 (10 May)	1	1	10 May	10 May
28.	Great Crested Grebe	2	5	3	0	0	1	1	12	6	30	19	11	6 (11 Oct)	18	14	20 Mar	8 Nov
29.	Oystercatcher	45	97	58	0	5	3	0	0	0	208	29	179	20 (8 May)	44	35	8 Mar	24 Aug
30.	Avocet	22	55	22	0	0	0	2	0	0	101	24	77	16 (22 Mar)	24	19	20 Mar	23 Sep
	Species	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
31.	Grey Plover	0	0	0	0	0	0	1	0	0	1	1	0	1 (23 Sep)	1	1	23 Sep	23 Sep
32.	Golden Plover	23	0	0	0	0	1	13	1	6	44	21	23	23 (8 Mar)	6	5	8 Mar	7 Nov
33.	Ringed Plover	1	0	0	0	0	0	0	0	0	1	0	1	1 (22 Mar)	1	1	22 Mar	22 Mar
34.	Little Ringed Plover	4	21	0	0	0	0	0	0	0	25	0	25	6 (3 Apr)	11	9	22 Mar	26 Apr
35.	Lapwing	16	20	14	0	0	29	188	1650	567	2484	2014	470	637 (7 Oct)	52	41	8 Mar	7 Nov
36.	Whimbrel	0	199	20	0	17	0	0	1	0	237	18	219	67 (19 Apr)	24	19	3 Apr	4 Oct
37.	Curlew	113	13	9	0	4	10	28	62	17	256	82	174	105 (10 Mar)	43	34	8 Mar	8 Nov
38.	Bar-tailed Godwit	0	1	0	0	0	0	0	0	0	1	0	1	1 (5 Apr)	1	1	5 Apr	5 Apr
39.	Black-tailed Godwit	73	100	1	0	0	18	0	0	0	192	28	164	55 (3 Apr)	27	21	8 Mar	23 Aug
40.	Icelandic Black-tailed Godwit	0	5	0	0	0	0	0	0	0	5	0	5	4 (3 Apr)	3	2	3 Apr	6 Apr
41.	Snipe	6	15	0	0	3	78	298	231	61	692	635	57	136 (20 Sep)	44	35	8 Mar	7 Nov
42.	Common Sandpiper	0	17	15	0	1	11	10	1	0	55	24	31	7 (26 Apr)	32	25	12 Apr	6 Oct
43.	Green Sandpiper	6	98	0	0	0	5	13	6	2	130	25	105	26 (3 Apr)	33	26	19 Mar	5 Nov
44.	Wood Sandpiper	0	5	6	0	0	0	0	0	0	11	0	11	5 (7 May)	5	4	19 Apr	10 May
45.	Redshank	24	73	12	0	2	0	2	0	0	113	8	105	32 (3 Apr)	33	26	8 Mar	22 Sep
46.	Spotted Redshank	0	0	0	0	0	0	2	1	0	3	3	0	2 (22 Sep)	3	2	22 Sep	18 Oct
47.	Greenshank	0	2	0	0	0	9	0	1	0	12	10	2	5 (12 Aug)	6	5	6 Apr	31 Oct
48.	Ruff	9	0	1	0	0	2	16	6	0	34	24	10	14 (20 Sep)	14	11	10 Mar	18 Oct
49.	wader sp.	19	15	0	0	0	0	0	0	0	34	0	34	18 (8 Mar)	6	5	8 Mar	19 Apr
50.	small wader	2	1	0	0	0	0	0	0	0	3	0	3	2 (22 Mar)	3	2	22 Mar	5 Apr
51.	Dunlin	3	3	1	0	0	0	0	0	0	7	0	7	3 (20 Mar)	4	3	20 Mar	5 May
52.	Caspian Tern	0	4	0	0	0	1	0	0	0	5	0	5	2 (12 Apr)	4	3	12 Apr	23 Aug
53.	Black Tern	0	62	36	0	7	0	0	0	0	105	7	98	48 (19 Apr)	16	13	12 Apr	16 Jul
54.	Arctic Tern	0	0	1	0	0	0	0	0	0	1	0	1	1 (17 May)	1	1	17 May	17 May
55.	Common/Arctic Tern	0	2	0	0	0	0	0	0	0	2	0	2	2 (19 Apr)	1	1	19 Apr	19 Apr
56.	Common Tern	0	88	22	0	0	8	0	0	0	118	10	108	35 (12 Apr)	24	19	3 Apr	24 Aug
57.	Black-headed Gull	576	1031	370	0	46	55	172	487	757	3494	1528	1966	312 (6 Nov)	86	68	8 Mar	8 Nov
58.	Mediterranean Gull	6	105	12	0	0	0	0	0	0	123	4	119	42 (19 Apr)	20	16	8 Mar	14 May
59.	Common Gull	128	170	71	0	0	9	3	102	85	568	210	358	50 (3 Apr)	75	59	8 Mar	8 Nov
60.	Caspian Gull	19	19	16	0	0	0	0	1	0	55	7	48	5 (10 Mar)	34	27	8 Mar	7 Oct
	Species	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
61.	Herring Gull	12	31	17	0	0	0	4	13	17	94	38	56	8 (26 Apr)	49	39	8 Mar	8 Nov
62.	Yellow-legged Gull	0	1	0	0	0	1	1	2	2	7	5	2	1 (3 Apr)	9	7	3 Apr	7 Nov
63.	Great Black-backed Gull	3	2	10	0	0	0	2	5	9	31	14	17	4 (8 May)	29	23	8 Mar	8 Nov
64.	Lesser Black-backed Gull	232	2162	462	0	5	45	69	70	22	3067	210	2857	434 (19 Apr)	91	72	8 Mar	8 Nov
65.	Black Stork	0	0	0	0	0	3	0	0	0	3	3	0	3 (12 Aug)	1	1	12 Aug	12 Aug
66.	White Stork	4	34	8	0	0	17	11	4	0	78	32	46	12 (19 Apr)	34	27	13 Mar	31 Oct
67.	Cormorant	471	1117	69	0	0	95	2513	1141	454	5860	4174	1686	1201 (22 Sep)	89	70	8 Mar	8 Nov
68.	Spoonbill	18	168	16	0	3	14	245	19	1	484	277	207	152 (22 Sep)	63	50	10 Mar	3 Nov
69.	Little Egret	0	4	0	0	0	1	1	2	0	8	4	4	4 (6 Apr)	6	5	6 Apr	18 Oct
70.	Cattle Egret	0	0	0	0	0	0	0	5	0	5	3	2	3 (4 Oct)	3	2	4 Oct	30 Oct
71.	Great White Egret	7	51	11	0	0	3	51	34	70	227	160	67	46 (6 Nov)	44	35	19 Mar	7 Nov
72.	Grey Heron	36	183	25	0	0	6	49	17	7	323	81	242	43 (7 Apr)	62	49	8 Mar	7 Nov
73.	Purple Heron	0	79	23	0	0	1	2	0	0	105	5	100	26 (19 Apr)	33	26	4 Apr	20 Sep
74.	Osprey	0	7	1	0	0	5	7	0	0	20	12	8	2 (4 Apr)	19	15	3 Apr	24 Sep
75.	Honey Buzzard	0	0	1	0	0	0	4	0	0	5	4	1	3 (7 Sep)	4	3	10 May	24 Sep
76.	Sparrowhawk	19	72	14	0	0	12	40	41	44	242	137	105	26 (6 Nov)	73	58	8 Mar	8 Nov
77.	Goshawk	0	0	0	0	0	0	1	0	1	2	2	0	1 (20 Sep)	3	2	20 Sep	7 Nov
78.	Marsh Harrier	13	151	6	0	0	13	46	19	9	257	87	170	35 (5 Apr)	58	46	10 Mar	6 Nov
79.	Hen Harrier	2	2	0	0	0	0	0	0	0	4	0	4	1 (20 Mar)	5	4	20 Mar	8 Apr
80.	Pallid Harrier	0	1	0	0	0	0	0	0	0	1	0	1	1 (3 Apr)	1	1	3 Apr	3 Apr
81.	Red Kite	0	5	0	0	0	0	1	1	0	7	2	5	2 (4 Apr)	6	5	4 Apr	30 Oct
82.	Black Kite	0	2	5	0	0	0	0	0	0	7	1	6	2 (10 May)	8	6	14 Apr	13 May
83.	White-tailed Eagle	0	10	3	0	0	0	2	1	0	16	9	7	4 (14 Apr)	13	10	7 Apr	7 Oct
84.	Common Buzzard	36	30	13	0	0	5	28	43	5	160	79	81	22 (22 Sep)	47	37	8 Mar	6 Nov
85.	Hoopoe	0	1	0	0	0	0	0	0	0	1	0	1	1 (7 Apr)	1	1	7 Apr	7 Apr
86.	Great Spotted Woodpecker	5	7	1	0	0	3	22	18	0	56	41	15	9 (23 Sep)	35	28	10 Mar	31 Oct
87.	Kestrel	0	28	1	0	0	2	12	5	3	51	23	28	11 (12 Apr)	22	17	3 Apr	5 Nov
88.	falcon sp.	0	1	0	0	0	0	1	0	0	2	1	1	1 (19 Apr)	3	2	19 Apr	23 Sep
89.	Merlin	0	8	1	0	0	0	1	1	0	11	1	10	2 (3 Apr)	13	10	3 Apr	18 Oct
90.	Hobby	0	2	4	0	0	8	4	0	0	18	12	6	4 (18 Aug)	15	12	19 Apr	22 Sep
	Species	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
91.	Peregrine	2	2	0	0	0	0	5	0	0	9	8	1	3 (22 Sep)	9	7	16 Mar	25 Sep
92.	Rose-ringed Parakeet	14	18	12	0	0	16	92	18	4	174	22	152	31 (19 Sep)	25	20	10 Mar	8 Nov
93.	Red-backed Shrike	0	0	1	0	0	0	0	0	0	1	0	1	1 (14 May)	1	1	14 May	14 May
94.	Jay	0	8	2	0	0	3	4	7	1	25	15	10	3 (24 Sep)	24	19	4 Apr	8 Nov
95.	Magpie	0	11	0	0	0	0	0	21	0	32	21	11	11 (7 Oct)	9	7	7 Apr	18 Oct
96.	Jackdaw	16	41	31	0	0	0	0	528	147	763	675	88	208 (18 Oct)	27	21	20 Mar	8 Nov
97.	Rook	8	20	0	0	0	2	10	19	8	67	47	20	7 (9 Oct)	33	26	8 Mar	7 Nov
98.	Carrion Crow	4	15	6	0	0	0	10	43	6	84	59	25	29 (18 Oct)	22	17	10 Mar	6 Nov
99.	Raven	0	2	0	0	0	0	1	0	0	3	0	3	2 (12 Apr)	3	2	12 Apr	22 Sep
100.	Coal Tit	0	0	0	0	0	0	0	31	44	75	74	1	17 (30 Oct)	11	9	7 Oct	8 Nov
101.	Blue Tit	35	12	1	0	0	25	178	3459	1813	5523	4829	694	1125 (30 Oct)	54	43	8 Mar	8 Nov
102.	Great Tit	22	11	0	0	0	11	105	236	59	444	394	50	54 (30 Oct)	53	42	8 Mar	8 Nov
103.	Penduline Tit	0	1	0	0	0	0	0	0	0	1	0	1	1 (4 Apr)	1	1	4 Apr	4 Apr
104.	Wood Lark	0	3	0	0	0	0	0	107	19	129	126	3	39 (30 Oct)	13	10	4 Apr	8 Nov
105.	Skylark	14	7	0	0	0	0	2	966	2147	3136	3112	24	1622 (6 Nov)	29	23	8 Mar	8 Nov
106.	Sand Martin	2	156	40	0	0	1	0	0	0	199	1	198	43 (12 Apr)	30	24	31 Mar	12 Aug
107.	Swallow	10	508	235	0	0	559	2646	21	0	3979	3175	804	1866 (20 Sep)	63	50	27 Mar	18 Oct
108.	House Martin	3	19	56	0	0	55	11	0	0	144	66	78	41 (23 Aug)	29	23	24 Mar	22 Sep
109.	Long-tailed Tit	0	0	0	0	0	0	0	93	20	113	105	8	39 (7 Oct)	10	8	1 Oct	6 Nov
110.	Willow Warbler	0	1	0	0	0	0	0	0	0	1	0	1	1 (3 Apr)	1	1	3 Apr	3 Apr
111.	Chiffchaff	7	20	1	0	0	7	16	7	2	60	33	27	8 (23 Sep)	35	28	8 Mar	8 Nov
112.	Chiffchaff/Willow Warbler	0	2	0	0	0	4	10	10	0	26	24	2	6 (22 Sep)	13	10	8 Apr	9 Oct
113.	Blackcap	0	1	0	0	0	0	2	1	0	4	3	1	2 (2 Sep)	4	3	12 Apr	29 Oct
114.	Lesser Whitethroat	0	0	1	0	0	0	0	0	0	1	0	1	1 (2 May)	1	1	2 May	2 May
115.	Firecrest	0	1	0	0	0	0	2	10	0	13	12	1	5 (7 Oct)	8	6	12 Apr	18 Oct
116.	Goldcrest	0	0	0	0	0	0	0	14	3	17	17	0	6 (6 Oct)	9	7	6 Oct	8 Nov
117.	Short-toed Tree Creeper	0	0	0	0	0	0	0	2	0	2	2	0	1 (7 Oct)	3	2	7 Oct	18 Oct
118.	Starling	1108	81	0	0	0	0	618	13383	10183	25373	24106	1267	5100 (6 Nov)	52	41	8 Mar	8 Nov
119.	Song Thrush	10	43	0	0	0	0	198	350	75	676	587	89	110 (18 Oct)	30	24	22 Mar	8 Nov
120.	Mistle Thrush	1	4	0	0	0	1	0	5	3	14	8	6	4 (18 Oct)	10	8	19 Mar	7 Nov
	Species	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
121.	Redwing	2530	43	0	0	0	0	13	4434	7921	14941	12284	2657	6312 (7 Nov)	35	28	21 Mar	8 Nov
122.	Blackbird	2	6	0	0	0	0	5	20	129	162	146	16	97 (7 Nov)	28	22	10 Mar	8 Nov
123.	Fieldfare	27	79	0	0	0	0	1	4022	3873	8002	7895	107	2528 (30 Oct)	25	20	22 Mar	8 Nov
124.	Ring Ouzel	0	3	0	0	0	0	0	0	0	3	0	3	2 (26 Apr)	3	2	4 Apr	26 Apr
125.	Spotted Flycatcher	0	0	1	0	0	0	0	0	0	1	0	1	1 (12 May)	1	1	12 May	12 May
126.	Robin	0	0	0	0	0	0	1	0	0	1	1	0	1 (25 Sep)	1	1	25 Sep	25 Sep
127.	Black Redstart	0	0	0	0	0	0	0	0	1	1	1	0	1 (7 Nov)	1	1	7 Nov	7 Nov
128.	Whinchat	0	0	0	0	0	1	0	0	0	1	1	0	1 (19 Aug)	1	1	19 Aug	19 Aug
129.	Stonechat	0	0	0	0	0	0	0	0	1	1	1	0	1 (5 Nov)	1	1	5 Nov	5 Nov
130.	Tree Sparrow	0	2	0	0	0	0	0	15	2	19	18	1	7 (20 Oct)	10	8	3 Apr	7 Nov
131.	House Sparrow	0	0	2	0	0	0	0	28	0	30	28	2	14 (7 Oct)	5	4	13 May	31 Oct
132.	Dunnock	3	0	1	0	0	1	16	32	8	61	57	4	12 (9 Oct)	25	20	8 Mar	8 Nov
133.	Blue-headed Wagtail	0	79	0	0	0	44	146	0	0	269	190	79	105 (20 Sep)	20	16	3 Apr	22 Sep
134.	Yellow wagtail sp.	0	14	11	0	5	2	16	1	0	49	24	25	7 (2 Sep)	19	15	8 Apr	7 Oct
135.	Grey Wagtail	1	0	0	0	0	0	13	37	9	60	59	1	11 (11 Oct)	24	19	22 Mar	7 Nov
136.	White Wagtail	78	101	2	0	0	7	113	167	1	469	286	183	71 (11 Oct)	56	44	8 Mar	7 Nov
137.	alba wagtail sp.	60	13	4	0	0	0	4	1	0	82	5	77	33 (22 Mar)	22	17	10 Mar	29 Oct
138.	Motacilla (wagtail) sp.	0	1	0	0	0	0	0	0	0	1	0	1	1 (7 Apr)	1	1	7 Apr	7 Apr
139.	Pied Wagtail	1	1	0	0	0	0	0	0	0	2	0	2	1 (8 Mar)	3	2	8 Mar	3 Apr
140.	Meadow Pipit	18	6494	9	0	0	8	486	895	126	8036	1515	6521	1562 (15 Apr)	63	50	10 Mar	8 Nov
141.	Tree Pipit	0	24	2	0	0	9	3	1	0	39	13	26	6 (15 Apr)	22	17	7 Apr	6 Oct
142.	Water Pipit	1	0	0	0	0	0	0	0	3	4	2	2	2 (7 Nov)	4	3	10 Mar	7 Nov
143.	Rock Pipit/Water Pipit	1	1	0	0	0	0	1	2	1	6	4	2	1 (22 Mar)	8	6	22 Mar	7 Nov
144.	Chaffinch	670	242	4	0	0	7	406	22824	2290	26443	25470	973	10212 (30 Oct)	73	58	8 Mar	8 Nov
145.	Brambling	3	1	0	0	0	0	0	128	58	190	186	4	36 (30 Oct)	16	13	8 Mar	7 Nov
146.	Hawfinch	1	0	0	0	0	0	1	1	1	4	3	1	1 (22 Mar)	5	4	22 Mar	5 Nov
147.	Bullfinch	0	0	0	0	0	0	0	1	0	1	1	0	1 (29 Oct)	1	1	29 Oct	29 Oct
148.	Greenfinch	18	20	2	0	0	5	7	33	12	97	57	40	8 (30 Oct)	41	32	8 Mar	8 Nov
149.	Linnet	14	46	4	0	0	11	13	74	14	176	113	63	51 (7 Oct)	46	36	19 Mar	7 Nov
150.	Lesser Redpoll	0	0	0	0	0	0	0	2	1	3	3	0	1 (11 Oct)	4	3	11 Oct	7 Nov
	Species	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
151.	Redpoll	0	0	0	0	0	0	0	17	9	26	25	1	7 (7 Nov)	8	6	18 Oct	8 Nov
152.	Goldfinch	16	23	2	0	0	0	8	61	22	132	87	45	35 (30 Oct)	33	26	8 Mar	8 Nov
153.	Serin	0	0	0	0	0	0	0	1	1	2	2	0	1 (29 Oct)	3	2	29 Oct	5 Nov
154.	Siskin	5	1	0	0	0	0	1	224	606	837	823	14	320 (7 Nov)	22	17	8 Mar	8 Nov
155.	Lapland Bunting	0	0	0	0	0	0	0	0	1	1	1	0	1 (7 Nov)	1	1	7 Nov	7 Nov
156.	Reed Bunting	8	7	0	0	0	1	20	139	165	340	325	15	111 (6 Nov)	42	33	8 Mar	8 Nov
157.	passerine sp.	2	1	0	0	0	0	0	0	0	3	0	3	1 (19 Mar)	4	3	19 Mar	4 Apr
	Other species
	Species	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Small Tortoiseshell	1	0	0	0	0	0	0	0	0	1	0	1	1 (8 Mar)	1	1	8 Mar	8 Mar
2.	Brimstone	0	1	0	0	0	0	0	0	0	1	0	1	1 (19 Apr)	1	1	19 Apr	19 Apr
3.	European Peacock	0	5	0	0	0	0	0	0	0	5	0	5	2 (3 Apr)	4	3	3 Apr	12 Apr
4.	Swallowtail	0	0	1	0	0	0	0	0	0	1	0	1	1 (2 May)	1	1	2 May	2 May
5.	white sp. (butterfly)	0	1	0	0	0	0	0	0	0	1	0	1	1 (19 Apr)	1	1	19 Apr	19 Apr
6.	Red Admiral	0	0	0	0	0	1	12	1	1	15	15	0	6 (19 Sep)	9	7	21 Aug	7 Nov
7.	Painted Lady	0	0	1	0	0	0	0	0	0	1	0	1	1 (12 May)	1	1	12 May	12 May
	Other species
	Species	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Darter unknown	0	0	0	0	0	0	2	0	0	2	2	0	2 (20 Sep)	1	1	20 Sep	20 Sep
	Other species
	Species	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Bumblebee sp.	1	7	0	0	0	0	1	0	0	9	1	8	3 (12 Apr)	8	6	19 Mar	20 Sep
	Species	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
	Totals	20615	18210	2702	0	126	1400	10181	68584	40719	162537	119470	43067		100	79
	Observation hours	37:59	86:14	50:50	0:00	2:35	19:00	38:00	53:33	21:08	309:19

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Totals De Hoekse Sluis (Bergambacht) 2025