Also present

Totals Dordtse Biesbosch 2024

	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Dark-bellied Brent Goose	0	0	1	0	0	0	0	0	0	0	0	1	0	1	1 (17 Mar)	1	1	17 Mar	17 Mar
2.	Canada Goose	0	0	0	0	0	0	0	9	0	58	0	67	18	49	49 (26 Oct)	4	4	17 Aug	26 Oct
3.	Barnacle Goose	399	1638	3989	31	16	0	0	0	12	26	27	6138	413	5725	1765 ( 3 Mar)	42	38	25 Jan	2 Nov
4.	Greylag Goose	176	488	194	29	0	0	0	0	0	1055	540	2482	1569	913	512 ( 2 Nov)	45	41	27 Jan	5 Nov
5.	goose sp.	68	240	0	0	0	0	0	0	0	67	259	634	326	308	259 ( 2 Nov)	11	10	27 Jan	2 Nov
6.	Tundra Bean Goose	257	356	66	0	0	0	0	0	0	105	46	830	151	679	225 (12 Feb)	21	19	25 Jan	2 Nov
7.	Eurasian White-fronted Goose	1263	3877	4070	0	0	0	0	0	0	3274	525	13009	3880	9129	1789 ( 4 Mar)	43	39	25 Jan	5 Nov
8.	Mute Swan	0	0	5	0	0	0	0	0	0	0	0	5	0	5	4 (25 Mar)	2	2	18 Mar	25 Mar
9.	Bewick's Swan	0	0	0	0	0	0	0	0	0	2	0	2	2	0	2 (10 Oct)	1	1	10 Oct	10 Oct
10.	Egyptian Goose	0	10	13	21	0	0	0	0	0	53	30	127	83	44	30 ( 2 Nov)	15	14	17 Feb	2 Nov
11.	Shelduck	0	1	8	41	2	0	13	0	0	7	2	74	22	52	24 (25 Apr)	18	16	17 Feb	2 Nov
12.	Ruddy Shelduck	0	0	0	0	0	0	0	0	3	0	0	3	3	0	3 ( 1 Sep)	1	1	1 Sep	1 Sep
13.	Garganey	0	0	0	4	0	0	0	0	9	0	0	13	9	4	5 ( 1 Sep)	4	4	14 Apr	7 Sep
14.	Shoveler	0	10	11	8	0	0	0	42	162	12	0	245	216	29	74 ( 7 Sep)	21	19	10 Feb	25 Oct
15.	Gadwall	0	6	0	2	0	0	77	19	0	20	0	124	116	8	73 (30 Jul)	10	9	17 Feb	8 Oct
16.	Wigeon	12	3	18	1	0	0	0	5	212	119	3	373	339	34	125 (26 Sep)	29	26	29 Jan	5 Nov
17.	Mallard	0	2	3	0	0	0	0	0	8	0	0	13	8	5	8 ( 7 Sep)	3	3	27 Feb	7 Sep
18.	Pintail	0	97	303	8	0	0	0	0	56	91	13	568	153	415	196 ( 2 Mar)	36	33	20 Feb	5 Nov
19.	Teal	0	0	0	0	0	0	0	80	245	24	0	349	349	0	240 ( 7 Sep)	4	4	30 Aug	13 Oct
20.	Pochard	0	1	0	0	0	0	0	0	20	0	0	21	20	1	20 ( 1 Sep)	2	2	12 Feb	1 Sep
21.	Tufted Duck	0	6	0	0	0	0	0	567	305	0	0	878	872	6	567 (31 Aug)	4	4	27 Feb	7 Sep
22.	Goldeneye	1	15	26	0	0	0	0	0	0	2	4	48	7	41	13 ( 9 Mar)	15	14	30 Jan	5 Nov
23.	Smew	0	2	0	0	0	0	0	0	0	0	0	2	0	2	2 (25 Feb)	1	1	25 Feb	25 Feb
24.	Goosander	8	8	28	4	0	0	0	0	0	1	0	49	1	48	8 (19 Mar)	16	15	29 Jan	24 Oct
25.	Red-breasted Merganser	0	0	3	1	0	0	0	0	0	0	0	4	0	4	3 ( 3 Mar)	2	2	3 Mar	27 Apr
26.	Swift	0	0	0	1199	204	0	848	21	7	0	0	2279	876	1403	764 ( 6 Jul)	23	21	17 Apr	7 Sep
27.	Cuckoo	0	0	0	1	2	0	0	3	0	0	0	6	3	3	2 (18 May)	5	5	30 Apr	31 Aug
28.	Stock Dove	2	4	17	20	0	0	0	15	11	103	34	206	165	41	26 ( 2 Nov)	41	37	29 Jan	5 Nov
29.	Woodpigeon	52	70	502	153	10	0	0	20	7	15554	1034	17402	16721	681	3915 (24 Oct)	73	66	25 Jan	5 Nov
30.	Collared Dove	0	0	0	0	0	0	0	0	0	1	0	1	1	0	1 (15 Oct)	1	1	15 Oct	15 Oct
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
31.	Crane	0	0	812	0	0	0	0	0	0	3	0	815	3	812	711 ( 9 Mar)	3	3	2 Mar	25 Oct
32.	Little Grebe	0	0	0	0	0	0	0	0	0	1	0	1	1	0	1 ( 9 Oct)	1	1	9 Oct	9 Oct
33.	Great Crested Grebe	0	0	2	1	0	0	0	2	0	0	0	5	2	3	2 ( 9 Mar)	4	4	9 Mar	31 Aug
34.	Oystercatcher	0	9	18	32	35	0	7	1	10	1	0	113	19	94	27 ( 2 May)	21	19	10 Feb	4 Oct
35.	Avocet	0	0	49	1	0	0	0	0	0	0	0	50	0	50	20 ( 9 Mar)	8	7	3 Mar	14 Apr
36.	Grey Plover	0	0	3	0	0	0	0	0	0	0	0	3	0	3	3 ( 9 Mar)	1	1	9 Mar	9 Mar
37.	Golden Plover	0	0	43	15	0	0	0	43	46	64	0	211	153	58	60 ( 3 Oct)	12	11	3 Mar	16 Oct
38.	Ringed Plover	0	0	0	0	6	0	0	0	5	0	0	11	5	6	6 (14 May)	4	4	14 May	19 Sep
39.	Little Ringed Plover	0	0	1	1	0	0	0	0	0	0	0	2	1	1	1 (23 Mar)	2	2	23 Mar	6 Apr
40.	Lapwing	45	1581	365	8	11	0	36	30	342	1603	475	4496	2532	1964	732 (10 Feb)	53	48	27 Jan	5 Nov
41.	Whimbrel	0	0	1	44	9	0	1	9	0	0	0	64	10	54	18 (21 Apr)	12	11	3 Mar	12 Aug
42.	Curlew	0	15	9	3	0	0	0	1	1	0	0	29	3	26	6 (10 Feb)	14	13	10 Feb	6 Sep
43.	Bar-tailed Godwit	0	0	0	1	0	0	0	0	0	0	0	1	0	1	1 (23 Apr)	1	1	23 Apr	23 Apr
44.	Black-tailed Godwit	0	51	1672	73	11	0	0	0	0	0	0	1807	0	1807	900 (10 Mar)	22	20	10 Feb	14 May
45.	Snipe	0	1	1	0	0	0	9	106	86	40	6	249	247	2	46 ( 7 Sep)	30	27	17 Feb	2 Nov
46.	Common Sandpiper	0	0	0	3	1	0	0	2	8	0	0	14	10	4	5 ( 5 Sep)	11	10	23 Apr	7 Sep
47.	Green Sandpiper	0	3	2	2	0	0	0	6	7	9	0	29	22	7	5 ( 4 Oct)	21	19	20 Feb	26 Oct
48.	Redshank	0	1	24	11	0	0	0	1	0	1	0	38	2	36	9 ( 9 Mar)	11	10	27 Feb	12 Oct
49.	Spotted Redshank	0	0	0	2	0	0	0	0	2	3	0	7	5	2	2 (29 Apr)	5	5	29 Apr	24 Oct
50.	Greenshank	0	0	0	8	1	0	1	12	30	0	0	52	43	9	12 ( 5 Sep)	13	12	14 Apr	7 Sep
51.	Ruff	0	0	1	1	0	0	22	35	2	0	0	61	59	2	24 (29 Aug)	7	6	19 Mar	6 Sep
52.	Dunlin	0	0	6	0	0	0	0	0	0	2	0	8	2	6	6 (10 Mar)	3	3	10 Mar	9 Oct
53.	Little Stint	0	0	0	0	0	0	0	0	0	1	0	1	1	0	1 ( 6 Oct)	1	1	6 Oct	6 Oct
54.	Caspian Tern	0	0	0	0	0	0	0	0	2	0	0	2	2	0	2 ( 1 Sep)	1	1	1 Sep	1 Sep
55.	Black Tern	0	0	0	5	14	0	0	0	1	1	0	21	2	19	8 (14 May)	7	6	25 Apr	13 Oct
56.	Common Tern	0	0	0	116	23	0	36	27	0	0	0	202	63	139	35 (25 Apr)	24	22	6 Apr	29 Aug
57.	Little Gull	0	0	0	0	0	0	0	0	2	0	0	2	2	0	2 ( 5 Sep)	1	1	5 Sep	5 Sep
58.	Black-headed Gull	140	850	2583	333	38	0	50	1237	67	167	264	5729	1903	3826	1081 ( 4 Mar)	71	65	25 Jan	5 Nov
59.	Mediterranean Gull	0	0	262	80	1	0	0	0	0	0	0	343	1	342	248 (18 Mar)	21	19	3 Mar	2 May
60.	Common Gull	7	7	18	2	0	0	0	14	0	12	0	60	32	28	8 ( 9 Aug)	23	21	27 Jan	25 Oct
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
61.	Caspian Gull	0	0	1	1	0	0	0	0	0	1	0	3	1	2	1 ( 7 Mar)	3	3	7 Mar	13 Oct
62.	Herring Gull	11	73	222	20	2	0	7	100	8	6	5	454	126	328	111 ( 9 Mar)	51	46	25 Jan	5 Nov
63.	Yellow-legged Gull	1	7	11	0	0	0	0	19	0	2	1	41	23	18	6 ( 8 Aug)	18	16	29 Jan	2 Nov
64.	Great Black-backed Gull	4	11	27	14	0	0	0	17	1	1	1	76	20	56	11 ( 9 Mar)	30	27	27 Jan	5 Nov
65.	Lesser Black-backed Gull	2	14	139	81	47	0	23	128	28	20	0	482	202	280	42 ( 3 Aug)	57	52	29 Jan	24 Oct
66.	White Stork	1	0	16	2	1	0	0	10	0	1	0	31	11	20	12 ( 9 Mar)	9	8	30 Jan	3 Oct
67.	Cormorant	0	14	299	197	4	0	0	84	276	1860	337	3071	2557	514	952 ( 3 Oct)	58	53	12 Feb	5 Nov
68.	Spoonbill	0	1	29	66	26	0	2	5	32	51	1	213	91	122	21 ( 5 Oct)	44	40	10 Feb	2 Nov
69.	Bittern	0	0	0	0	0	0	0	0	1	0	0	1	1	0	1 ( 7 Sep)	1	1	7 Sep	7 Sep
70.	Little Egret	0	0	1	9	17	0	3	7	3	1	0	41	13	28	11 (14 May)	22	20	23 Mar	3 Oct
71.	Cattle Egret	0	0	0	1	2	0	0	8	2	0	0	13	9	4	5 ( 3 Aug)	8	7	29 Apr	19 Sep
72.	Great White Egret	1	3	26	12	3	0	1	16	54	104	2	222	180	42	59 (16 Oct)	47	43	30 Jan	5 Nov
73.	Grey Heron	0	3	57	18	1	0	1	64	15	19	0	178	103	75	54 (29 Aug)	46	42	10 Feb	30 Oct
74.	Purple Heron	0	0	0	7	0	0	0	239	1	0	0	247	240	7	178 (29 Aug)	8	7	13 Apr	1 Sep
75.	Osprey	0	0	0	3	0	0	0	12	8	1	0	24	21	3	6 ( 8 Aug)	10	9	23 Apr	26 Oct
76.	Honey Buzzard	0	0	0	0	20	0	0	2	7	0	0	29	9	20	20 (13 May)	7	6	13 May	7 Sep
77.	Sparrowhawk	0	0	3	4	0	0	0	9	10	44	3	73	66	7	9 (16 Oct)	31	28	2 Mar	5 Nov
78.	Goshawk	0	0	1	1	0	0	0	1	0	2	0	5	3	2	2 ( 4 Oct)	4	4	4 Mar	4 Oct
79.	Marsh Harrier	0	2	12	13	6	0	0	23	37	19	0	112	80	32	13 ( 7 Sep)	34	31	20 Feb	26 Oct
80.	Hen Harrier	0	0	1	1	0	0	0	0	0	1	0	3	1	2	1 ( 7 Mar)	3	3	7 Mar	26 Oct
81.	Pallid Harrier	0	0	0	0	1	0	0	0	0	0	0	1	0	1	1 ( 6 May)	1	1	6 May	6 May
82.	Red Kite	0	0	1	0	0	0	0	0	1	1	0	3	2	1	1 ( 9 Mar)	3	3	9 Mar	6 Oct
83.	Black Kite	0	0	0	0	1	0	0	0	0	0	0	1	1	0	1 (13 May)	1	1	13 May	13 May
84.	Common Buzzard	0	0	11	5	7	0	0	11	6	9	5	54	31	23	6 (13 May)	25	23	4 Mar	2 Nov
85.	Wryneck	0	0	0	0	0	0	0	0	1	0	0	1	1	0	1 ( 7 Sep)	1	1	7 Sep	7 Sep
86.	Lesser Spotted Woodpecker	0	0	0	0	0	0	0	0	1	0	0	1	1	0	1 ( 7 Sep)	1	1	7 Sep	7 Sep
87.	Great Spotted Woodpecker	0	0	0	0	0	0	0	0	1	2	3	6	6	0	3 ( 2 Nov)	3	3	7 Sep	2 Nov
88.	Green Woodpecker	0	0	0	0	0	0	0	0	0	1	0	1	1	0	1 (25 Oct)	1	1	25 Oct	25 Oct
89.	Kestrel	0	0	1	5	4	0	0	0	3	4	0	17	7	10	4 ( 6 Apr)	13	12	9 Mar	26 Oct
90.	Red-footed Falcon	0	0	0	0	0	0	0	0	1	0	0	1	1	0	1 ( 7 Sep)	1	1	7 Sep	7 Sep
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
91.	Merlin	0	0	1	1	1	0	0	0	2	8	1	14	11	3	4 (15 Oct)	11	10	19 Mar	2 Nov
92.	Hobby	0	0	0	0	0	0	0	2	6	0	0	8	8	0	2 (31 Aug)	8	7	31 Aug	30 Sep
93.	Peregrine	0	0	0	1	0	0	0	0	1	1	0	3	2	1	1 (30 Apr)	3	3	30 Apr	20 Oct
94.	Rose-ringed Parakeet	0	0	0	0	0	0	0	0	0	18	0	18	18	0	9 ( 6 Oct)	4	4	3 Oct	25 Oct
95.	Golden Oriole	0	0	0	0	1	0	0	0	0	0	0	1	0	1	1 ( 6 May)	1	1	6 May	6 May
96.	Jay	0	0	1	11	0	0	0	1	4	2	0	19	7	12	11 (13 Apr)	8	7	4 Mar	5 Oct
97.	Magpie	0	0	11	1	2	0	0	0	1	16	0	31	17	14	6 ( 4 Mar)	13	12	4 Mar	26 Oct
98.	Jackdaw	0	12	188	11	38	0	0	0	63	1107	91	1510	1263	247	398 (24 Oct)	45	41	2 Feb	5 Nov
99.	Rook	1	4	2	0	2	0	0	0	2	3	0	14	6	8	2 (20 Feb)	11	10	29 Jan	22 Oct
100.	Carrion Crow	0	17	79	34	10	0	0	0	2	155	11	308	160	148	27 (25 Oct)	47	43	10 Feb	5 Nov
101.	Willow Tit	0	0	0	0	0	0	0	2	1	4	0	7	7	0	2 (12 Oct)	7	6	17 Aug	25 Oct
102.	Blue Tit	6	3	9	4	0	0	0	88	127	287	28	552	530	22	54 (30 Aug)	48	44	27 Jan	5 Nov
103.	Great Tit	10	22	17	7	2	0	0	16	13	87	1	175	117	58	18 ( 5 Oct)	47	43	27 Jan	1 Nov
104.	Bearded Tit	0	0	0	0	0	0	0	0	0	3	0	3	3	0	3 (15 Oct)	1	1	15 Oct	15 Oct
105.	Wood Lark	0	0	0	0	0	0	0	0	0	14	0	14	14	0	6 (25 Oct)	7	6	5 Oct	26 Oct
106.	Skylark	0	93	7	0	0	0	0	0	5	3623	267	3995	3895	100	1615 (25 Oct)	25	23	17 Feb	2 Nov
107.	Sand Martin	0	0	54	58	0	0	16	973	2	1	0	1104	992	112	814 ( 8 Aug)	25	23	23 Mar	3 Oct
108.	Swallow	0	0	10	407	25	0	2	122	2202	657	0	3425	2983	442	2127 (30 Sep)	42	38	23 Mar	12 Oct
109.	House Martin	0	0	0	54	0	0	0	39	138	18	0	249	195	54	72 (30 Sep)	20	18	6 Apr	6 Oct
110.	Long-tailed Tit	23	0	10	0	0	0	0	9	7	130	0	179	146	33	32 (25 Oct)	16	15	27 Jan	26 Oct
111.	Willow Warbler	0	0	0	1	0	0	0	4	0	0	0	5	4	1	4 (30 Aug)	2	2	2 Apr	30 Aug
112.	Chiffchaff	0	0	8	1	0	0	0	27	15	41	1	93	84	9	16 (17 Aug)	31	28	10 Mar	2 Nov
113.	Chiffchaff/Willow Warbler	0	0	0	1	0	0	1	84	6	0	0	92	91	1	68 (30 Aug)	10	9	13 Apr	7 Sep
114.	Reed Warbler	0	0	0	0	0	0	0	0	2	1	0	3	3	0	1 ( 1 Sep)	3	3	1 Sep	3 Oct
115.	Blackcap	0	0	0	2	0	0	0	9	1	1	0	13	11	2	6 (30 Aug)	9	8	6 Apr	3 Oct
116.	Garden Warbler	0	0	0	2	0	0	1	5	0	0	0	8	6	2	5 (30 Aug)	3	3	27 Apr	30 Aug
117.	Lesser Whitethroat	0	0	0	1	0	0	0	3	0	0	0	4	3	1	3 (30 Aug)	2	2	13 Apr	30 Aug
118.	Whitethroat	0	0	0	1	0	0	0	0	0	0	0	1	0	1	1 (23 Apr)	1	1	23 Apr	23 Apr
119.	Firecrest	1	0	0	0	0	0	0	1	2	6	2	12	11	1	4 (25 Oct)	9	8	27 Jan	5 Nov
120.	Goldcrest	0	1	0	0	0	0	0	0	0	21	1	23	22	1	7 ( 6 Oct)	9	8	10 Feb	1 Nov
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
121.	Short-toed Tree Creeper	0	0	1	0	0	0	0	0	0	0	0	1	0	1	1 ( 4 Mar)	1	1	4 Mar	4 Mar
122.	Starling	9	124	1725	49	20	0	222	2889	255	26051	2275	33619	31687	1932	8084 (24 Oct)	84	76	27 Jan	5 Nov
123.	Song Thrush	0	0	3	0	0	0	0	0	30	714	18	765	762	3	164 ( 6 Oct)	23	21	2 Mar	5 Nov
124.	Mistle Thrush	0	0	0	2	0	0	0	0	0	15	6	23	21	2	6 ( 2 Nov)	8	7	10 Apr	2 Nov
125.	Redwing	0	0	806	5	0	0	0	0	0	19260	2101	22172	21361	811	9012 (15 Oct)	25	23	6 Mar	5 Nov
126.	Blackbird	0	2	4	2	2	0	0	0	0	77	16	103	92	11	21 (15 Oct)	22	20	24 Feb	5 Nov
127.	Fieldfare	0	0	49	0	0	0	0	0	0	131	120	300	258	42	125 (30 Oct)	13	12	4 Mar	5 Nov
128.	Ring Ouzel	0	0	0	0	0	0	0	0	0	7	0	7	7	0	3 (15 Oct)	4	4	5 Oct	24 Oct
129.	Nightingale	0	0	0	1	0	0	0	0	0	0	0	1	0	1	1 ( 6 Apr)	1	1	6 Apr	6 Apr
130.	Stonechat	0	2	1	1	0	0	0	0	0	2	0	6	2	4	2 (12 Feb)	5	5	12 Feb	6 Oct
131.	Wheatear	0	0	0	1	0	0	0	1	1	0	0	3	2	1	1 (30 Apr)	3	3	30 Apr	5 Sep
132.	Tree Sparrow	0	0	0	0	0	0	0	0	8	21	0	29	29	0	11 (15 Oct)	4	4	6 Sep	25 Oct
133.	Dunnock	0	0	2	0	0	0	0	1	0	6	0	9	7	2	2 (15 Mar)	8	7	15 Mar	24 Oct
134.	Blue-headed Wagtail	0	0	0	7	3	0	0	41	75	5	0	131	121	10	41 ( 7 Sep)	21	19	6 Apr	8 Oct
135.	Grey Wagtail	0	0	0	0	0	0	1	0	2	10	0	13	13	0	7 ( 6 Oct)	8	7	6 Jul	25 Oct
136.	White Wagtail	0	3	29	7	1	0	1	7	10	70	2	130	91	39	15 ( 5 Oct)	43	39	10 Feb	2 Nov
137.	Tawny Pipit	0	0	0	0	0	0	0	1	0	0	0	1	1	0	1 (31 Aug)	1	1	31 Aug	31 Aug
138.	Meadow Pipit	0	2	135	105	8	0	0	0	270	584	17	1121	871	250	227 (30 Sep)	46	42	25 Feb	5 Nov
139.	Tree Pipit	0	1	1	0	0	0	0	31	69	3	0	105	103	2	32 ( 7 Sep)	12	11	20 Feb	9 Oct
140.	Water Pipit	0	7	6	0	0	0	0	0	0	6	0	19	10	9	3 (10 Feb)	12	11	10 Feb	25 Oct
141.	Chaffinch	18	56	310	33	6	0	1	22	921	7585	343	9295	8868	427	1588 (15 Oct)	77	70	25 Jan	5 Nov
142.	Brambling	0	0	0	0	0	0	0	0	0	69	1	70	70	0	26 (15 Oct)	10	9	6 Oct	1 Nov
143.	Hawfinch	0	0	2	0	0	0	0	0	0	19	0	21	19	2	10 ( 6 Oct)	8	7	14 Mar	25 Oct
144.	Greenfinch	0	5	8	3	0	0	0	1	4	27	0	48	31	17	8 (25 Oct)	21	19	12 Feb	26 Oct
145.	Linnet	0	0	7	2	0	0	0	1	7	68	0	85	76	9	23 ( 3 Oct)	19	17	3 Mar	26 Oct
146.	redpoll sp.	0	0	1	0	0	0	0	0	0	5	0	6	5	1	4 (15 Oct)	3	3	4 Mar	24 Oct
147.	Goldfinch	0	1	1	6	2	0	0	6	1	40	1	58	48	10	26 (25 Oct)	23	21	2 Feb	2 Nov
148.	Siskin	1	0	16	0	0	0	0	1	22	629	11	680	663	17	139 ( 3 Oct)	32	29	29 Jan	5 Nov
149.	Ortolan Bunting	0	0	0	0	0	0	0	1	0	0	0	1	1	0	1 (28 Aug)	1	1	28 Aug	28 Aug
150.	Reed Bunting	1	9	81	1	0	0	1	0	35	388	38	554	462	92	73 ( 4 Oct)	46	42	27 Jan	5 Nov
	Other species
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Dark Clouded Yellow	0	0	0	0	0	0	0	2	0	0	0	2	2	0	2 (31 Aug)	1	1	31 Aug	31 Aug
2.	European Peacock	0	0	0	11	1	0	0	30	24	1	0	67	55	12	20 ( 7 Sep)	9	8	29 Apr	3 Oct
3.	Large White	0	0	0	0	0	0	0	2	1	0	0	3	3	0	1 (29 Aug)	3	3	29 Aug	21 Sep
4.	Green-veined White	0	0	0	0	0	0	0	6	0	0	0	6	6	0	3 (17 Aug)	3	3	17 Aug	30 Aug
5.	Small White	0	0	0	1	4	0	0	108	57	9	0	179	174	5	31 (19 Sep)	15	14	29 Apr	5 Oct
6.	white sp. (butterfly)	0	0	0	0	0	0	0	0	0	2	0	2	2	0	2 ( 5 Oct)	1	1	5 Oct	5 Oct
7.	Red Admiral	0	0	0	0	0	0	0	18	1	6	0	25	25	0	6 (17 Aug)	9	8	8 Aug	16 Oct
	Other species
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Migrant Hawker	0	0	0	0	0	0	0	1	0	0	0	1	1	0	1 (29 Aug)	1	1	29 Aug	29 Aug
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
	Totals	2520	9844	19572	3560	654	0	1383	7617	6560	86646	8972	147328	111814	35514		100	91
	Observation hours	7:24	24:56	58:10	41:11	17:57	0:00	8:50	46:09	36:46	67:33	9:30	318:26

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Totals Dordtse Biesbosch 2024