Also present

Totals Dordtse Biesbosch 2023

	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Canada Goose	13	0	2	0	0	0	0	22	0	0	26	63	48	15	26 ( 7 Nov)	3	4	28 Jan	7 Nov
2.	Barnacle Goose	3643	2945	1872	145	6	0	0	0	0	155	168	8934	1395	7539	1026 ( 9 Feb)	42	50	10 Jan	11 Nov
3.	Greylag Goose	328	260	851	79	8	0	13	0	77	1202	336	3154	1578	1576	228 (16 Oct)	49	59	17 Jan	17 Nov
4.	goose sp.	157	7937	344	0	0	0	0	0	0	58	160	8656	275	8381	7500 ( 7 Feb)	16	19	19 Jan	17 Nov
5.	Tundra Bean Goose	759	147	0	0	0	0	0	0	0	23	422	1351	511	840	422 (17 Nov)	12	14	10 Jan	17 Nov
6.	Eurasian White-fronted Goose	5052	5218	1675	285	0	0	0	0	0	3015	631	15876	4145	11731	3117 (28 Jan)	42	50	10 Jan	17 Nov
7.	Black Swan	2	0	0	0	0	0	0	1	0	0	0	3	1	2	2 (17 Jan)	2	2	17 Jan	11 Aug
8.	Mute Swan	0	2	4	11	0	0	0	6	0	0	0	23	6	17	7 ( 8 Apr)	6	7	6 Feb	7 Aug
9.	Bewick's Swan	0	3	6	0	0	0	0	0	0	0	6	15	6	9	6 ( 4 Mar)	3	4	14 Feb	17 Nov
10.	Egyptian Goose	1	6	13	17	0	0	0	7	19	7	0	70	33	37	12 (23 Sep)	10	12	27 Jan	16 Oct
11.	Shelduck	0	4	23	26	6	0	3	0	0	23	26	111	52	59	11 ( 4 Nov)	24	29	24 Feb	17 Nov
12.	Ruddy Shelduck	0	0	0	0	0	0	0	4	0	0	0	4	0	4	4 (11 Aug)	1	1	11 Aug	11 Aug
13.	Shoveler	21	10	66	17	4	0	0	20	20	70	27	255	140	115	24 (28 Mar)	34	41	19 Jan	17 Nov
14.	Gadwall	0	0	8	8	0	0	0	4	13	0	0	33	17	16	13 (30 Sep)	3	4	28 Mar	30 Sep
15.	Wigeon	70	35	11	0	0	0	0	0	110	116	20	362	351	11	70 (21 Jan)	21	25	21 Jan	17 Nov
16.	Mallard	0	0	13	5	15	0	0	6	4	0	6	49	16	33	15 (22 May)	9	11	6 Mar	4 Nov
17.	Pintail	34	48	829	5	0	0	0	0	7	190	51	1164	284	880	341 ( 6 Mar)	38	45	17 Jan	17 Nov
18.	Teal	0	2	0	0	0	0	0	10	0	12	0	24	22	2	12 ( 8 Oct)	3	3	27 Feb	8 Oct
19.	Pochard	5	0	0	0	0	0	0	0	0	1	0	6	1	5	5 (28 Jan)	2	2	28 Jan	4 Oct
20.	Tufted Duck	0	0	19	1	0	0	11	124	133	0	0	288	268	20	79 (28 Aug)	13	16	6 Mar	30 Sep
21.	Goldeneye	2	20	50	0	0	0	0	0	0	17	2	91	19	72	18 (11 Mar)	16	19	19 Jan	17 Nov
22.	Smew	2	0	0	0	0	0	0	0	0	0	0	2	0	2	1 (19 Jan)	2	2	19 Jan	28 Jan
23.	Goosander	7	12	8	7	0	0	0	0	0	0	6	40	8	32	6 (17 Nov)	17	20	17 Jan	17 Nov
24.	Swift	0	0	0	2002	2943	0	16391	1941	0	0	0	23277	17963	5314	10499 (17 Jul)	27	32	15 Apr	22 Aug
25.	Cuckoo	0	0	0	2	8	0	1	2	0	0	0	13	3	10	4 (13 May)	5	6	22 Apr	19 Aug
26.	Stock Dove	17	5	32	53	5	0	1	19	27	78	89	326	210	116	61 ( 7 Nov)	48	58	19 Jan	17 Nov
27.	Woodpigeon	154	815	2494	473	39	0	2	35	635	10872	6303	21822	19442	2380	5343 ( 7 Nov)	79	95	10 Jan	17 Nov
28.	Collared Dove	0	0	0	1	0	0	0	0	1	1	0	3	2	1	1 (30 Apr)	3	3	30 Apr	6 Oct
29.	Crane	0	0	26	1	0	0	0	0	0	0	201	228	201	27	201 (17 Nov)	3	3	11 Mar	17 Nov
30.	Great Crested Grebe	0	0	0	1	0	0	5	5	1	0	0	12	11	1	4 ( 8 Aug)	6	7	18 Apr	8 Sep
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
31.	Oystercatcher	0	15	20	54	8	0	45	28	0	3	0	173	76	97	25 ( 7 Aug)	28	34	13 Feb	22 Oct
32.	Black-winged Stilt	0	0	0	0	0	0	6	0	0	0	0	6	6	0	6 ( 4 Jul)	1	1	4 Jul	4 Jul
33.	Avocet	0	0	6	7	0	0	0	0	0	0	0	13	0	13	3 (30 Apr)	6	7	17 Mar	30 Apr
34.	Lapwing	316	1117	2197	27	11	0	13	0	226	1076	413	5396	2008	3388	1370 (11 Mar)	53	64	21 Jan	17 Nov
35.	Golden Plover	0	1	357	0	0	0	0	0	34	213	46	651	293	358	352 (11 Mar)	13	15	27 Feb	7 Nov
36.	Grey Plover	0	0	0	0	0	0	0	0	0	32	0	32	32	0	17 (14 Oct)	4	5	6 Oct	28 Oct
37.	Ringed Plover	0	0	5	0	0	0	0	2	1	12	0	20	11	9	8 (15 Oct)	4	5	6 Mar	15 Oct
38.	Little Ringed Plover	0	0	0	1	0	0	0	0	0	0	0	1	0	1	1 (10 Apr)	1	1	10 Apr	10 Apr
39.	Whimbrel	0	0	0	64	0	0	0	42	0	0	0	106	42	64	35 (15 Aug)	8	10	15 Apr	19 Aug
40.	Curlew	1	3	37	8	0	0	0	4	3	0	1	57	9	48	15 (11 Mar)	20	24	10 Jan	7 Nov
41.	Black-tailed Godwit	0	13	1031	65	0	0	23	0	2	0	0	1134	25	1109	494 ( 6 Mar)	19	23	25 Feb	30 Sep
42.	Icelandic Black-tailed Godwit	0	0	0	10	0	0	0	0	0	0	0	10	0	10	10 (10 Apr)	1	1	10 Apr	10 Apr
43.	Turnstone	0	0	0	0	0	0	0	0	1	0	0	1	1	0	1 (30 Sep)	1	1	30 Sep	30 Sep
44.	Ruff	0	0	0	10	0	0	19	91	1	0	0	121	61	60	71 ( 4 Aug)	11	13	5 Apr	30 Sep
45.	wader sp.	0	0	3	0	2	0	0	0	0	13	0	18	13	5	11 (19 Oct)	3	4	17 Mar	19 Oct
46.	Dunlin	0	0	3	0	0	0	0	0	0	120	64	187	184	3	116 (31 Oct)	3	4	17 Mar	4 Nov
47.	Snipe	0	4	25	2	0	0	0	22	158	180	35	426	388	38	39 ( 8 Sep)	37	44	3 Feb	17 Nov
48.	Common Sandpiper	0	0	0	1	6	0	6	14	0	2	0	29	22	7	5 (13 May)	13	15	17 Apr	7 Oct
49.	Green Sandpiper	1	0	1	35	0	0	2	11	6	15	0	71	34	37	10 (11 Apr)	22	26	21 Jan	21 Oct
50.	Redshank	0	0	13	24	0	0	5	0	0	0	0	42	5	37	9 ( 8 Apr)	12	14	9 Mar	22 Jul
51.	Wood Sandpiper	0	0	0	0	0	0	0	4	0	0	0	4	1	3	3 ( 4 Aug)	2	2	4 Aug	8 Aug
52.	Spotted Redshank	0	0	0	1	0	0	0	0	0	0	0	1	0	1	1 (27 Apr)	1	1	27 Apr	27 Apr
53.	Greenshank	0	1	0	20	2	0	2	4	0	1	0	30	7	23	8 (27 Apr)	13	15	27 Feb	19 Oct
54.	Black-headed Gull	170	451	4526	436	106	0	2091	1373	186	518	460	10317	4612	5705	1288 (16 Mar)	90	108	10 Jan	17 Nov
55.	Mediterranean Gull	0	0	21	180	8	0	1	0	0	0	0	210	5	205	35 (22 Apr)	18	21	11 Mar	13 Jul
56.	Common Gull	2	12	9	23	1	0	1	0	3	7	8	66	20	46	15 (30 Apr)	20	24	21 Jan	7 Nov
57.	Great Black-backed Gull	2	34	52	39	4	0	3	20	15	10	2	181	50	131	12 (28 Feb)	51	61	23 Jan	11 Nov
58.	Herring Gull	23	99	126	71	24	0	221	184	2	8	5	763	431	332	83 ( 8 Aug)	63	75	17 Jan	17 Nov
59.	Caspian Gull	0	1	1	3	0	0	0	0	0	2	0	7	2	5	2 (16 Oct)	5	6	13 Feb	16 Oct
60.	Yellow-legged Gull	3	7	7	9	2	0	3	20	0	16	0	67	39	28	11 ( 8 Aug)	30	36	21 Jan	30 Oct
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
61.	Lesser Black-backed Gull	20	27	143	260	50	0	62	129	76	54	13	834	336	498	71 (11 Mar)	86	103	17 Jan	17 Nov
62.	Caspian Tern	0	0	0	0	0	0	0	1	0	0	0	1	1	0	1 (17 Aug)	1	1	17 Aug	17 Aug
63.	Little Tern	0	0	0	0	0	0	0	1	0	0	0	1	1	0	1 ( 8 Aug)	1	1	8 Aug	8 Aug
64.	Common Tern	0	0	0	231	25	0	108	459	5	0	0	828	572	256	250 ( 8 Aug)	31	37	5 Apr	22 Sep
65.	Arctic Tern	0	0	0	2	0	0	0	5	0	0	0	7	5	2	5 ( 8 Aug)	2	2	27 Apr	8 Aug
66.	Black Tern	0	0	0	5	2	0	0	25	0	0	0	32	25	7	24 ( 8 Aug)	4	5	15 Apr	8 Aug
67.	Black Stork	0	0	0	1	0	0	0	0	0	0	0	1	0	1	1 (15 Apr)	1	1	15 Apr	15 Apr
68.	White Stork	0	0	35	15	0	0	0	0	30	0	0	80	30	50	35 (11 Mar)	6	7	11 Mar	28 Sep
69.	Cormorant	45	15	371	224	6	0	23	160	761	816	1280	3701	3068	633	792 ( 4 Nov)	64	77	10 Jan	17 Nov
70.	Cormorant (p. c. carbo)	0	0	0	0	0	0	0	0	0	1	0	1	1	0	1 (16 Oct)	1	1	16 Oct	16 Oct
71.	Spoonbill	0	0	25	92	21	0	87	50	86	64	7	432	276	156	46 (30 Sep)	48	57	6 Mar	11 Nov
72.	Cattle Egret	0	0	0	2	1	0	9	1	3	4	0	20	17	3	6 (31 Jul)	9	11	3 Apr	14 Oct
73.	Grey Heron	1	8	42	22	0	0	0	25	62	13	0	173	100	73	49 ( 2 Sep)	34	41	28 Jan	30 Oct
74.	Purple Heron	0	0	0	4	0	0	0	172	82	0	0	258	254	4	171 (28 Aug)	5	6	10 Apr	13 Sep
75.	Great White Egret	0	0	20	20	0	0	4	6	13	58	10	131	91	40	15 (18 Oct)	38	45	4 Mar	17 Nov
76.	Little Egret	0	0	0	4	4	0	24	7	2	1	0	42	34	8	6 (17 Jul)	18	21	22 Apr	6 Oct
77.	Osprey	0	0	0	1	2	0	0	0	5	3	0	11	8	3	1 (11 Apr)	9	11	11 Apr	18 Oct
78.	Honey Buzzard	0	0	0	0	0	0	1	4	1	0	0	6	6	0	3 (17 Aug)	3	4	10 Jul	4 Sep
79.	Sparrowhawk	2	0	2	22	0	0	1	0	9	40	14	90	65	25	11 ( 7 Nov)	28	34	19 Jan	11 Nov
80.	Goshawk	0	0	1	0	0	0	0	0	0	1	0	2	1	1	1 (11 Mar)	2	2	11 Mar	11 Oct
81.	Marsh Harrier	0	1	6	25	1	0	0	1	22	15	7	78	45	33	7 (15 Apr)	28	33	24 Feb	11 Nov
82.	Hen Harrier	0	0	0	2	0	0	0	0	0	2	0	4	2	2	1 ( 8 Apr)	3	4	8 Apr	19 Oct
83.	Red Kite	0	0	2	0	0	0	0	0	0	1	0	3	1	2	2 (11 Mar)	2	2	11 Mar	22 Oct
84.	Black Kite	0	0	0	0	0	0	0	1	0	0	0	1	1	0	1 (15 Aug)	1	1	15 Aug	15 Aug
85.	White-tailed Eagle	0	0	1	1	0	0	0	0	0	0	0	2	0	2	1 ( 4 Mar)	2	2	4 Mar	11 Apr
86.	Common Buzzard	0	0	8	18	2	0	0	0	9	21	2	60	32	28	10 (16 Oct)	20	24	16 Mar	7 Nov
87.	Lesser Spotted Woodpecker	0	0	1	1	0	0	0	0	2	1	0	5	3	2	2 (16 Sep)	3	4	24 Mar	8 Oct
88.	Great Spotted Woodpecker	0	0	1	6	1	0	0	2	14	19	12	55	47	8	7 ( 7 Nov)	23	28	16 Mar	17 Nov
89.	Green Woodpecker	0	0	0	0	0	0	0	0	0	1	1	2	2	0	1 (16 Oct)	2	2	16 Oct	7 Nov
90.	Kestrel	0	0	0	12	0	0	0	2	2	6	3	25	13	12	4 (15 Apr)	12	14	7 Apr	17 Nov
	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	2	0	0	0	0	2	3	0	8	5	3	2 (18 Oct)	6	7	13 Mar	18 Oct
92.	Hobby	0	0	0	2	2	0	0	2	1	0	0	7	3	4	1 (19 Apr)	6	7	19 Apr	23 Sep
93.	Peregrine	0	1	0	0	0	0	0	0	1	1	1	4	3	1	1 (28 Feb)	3	4	28 Feb	7 Nov
94.	Rose-ringed Parakeet	0	0	0	0	0	0	0	0	0	13	0	13	13	0	10 ( 8 Oct)	2	2	8 Oct	14 Oct
95.	Budgerigar	0	0	0	0	0	0	0	0	0	1	0	1	0	1	1 ( 4 Oct)	1	1	4 Oct	4 Oct
96.	Jay	0	0	2	12	0	0	0	5	168	137	2	326	295	31	49 ( 6 Oct)	31	37	30 Mar	7 Nov
97.	Magpie	0	0	5	5	0	0	1	1	9	27	3	51	41	10	18 (30 Oct)	17	20	16 Mar	11 Nov
98.	Jackdaw	0	12	88	87	17	0	0	5	117	1773	78	2177	1970	207	496 (18 Oct)	44	53	6 Feb	17 Nov
99.	Rook	0	0	2	3	1	0	0	2	2	2	7	19	13	6	4 (17 Nov)	8	9	2 Mar	17 Nov
100.	Carrion Crow	0	24	70	78	7	0	0	7	44	147	45	422	242	180	26 ( 4 Apr)	51	61	4 Feb	17 Nov
101.	Coal Tit	0	0	0	0	0	0	0	0	0	9	1	10	10	0	8 (22 Oct)	3	3	22 Oct	7 Nov
102.	Willow Tit	0	2	1	0	0	0	0	8	5	1	2	19	16	3	4 (19 Aug)	9	11	11 Feb	11 Nov
103.	Blue Tit	17	22	30	36	4	0	79	152	246	360	65	1011	901	110	94 (15 Aug)	63	76	17 Jan	17 Nov
104.	Great Tit	5	33	32	22	4	0	21	53	72	316	17	575	479	96	49 ( 8 Oct)	66	79	17 Jan	17 Nov
105.	Bearded Tit	0	0	0	0	0	0	0	0	0	2	2	4	4	0	2 (16 Oct)	2	2	16 Oct	4 Nov
106.	Wood Lark	0	0	0	0	0	0	0	0	2	10	0	12	12	0	5 ( 9 Oct)	4	5	30 Sep	30 Oct
107.	Skylark	0	2	32	3	0	0	0	0	1	5490	1879	7407	7325	82	2078 (24 Oct)	21	25	13 Feb	17 Nov
108.	Sand Martin	0	0	6	3957	13	0	2021	1465	69	0	0	7531	3555	3976	1891 (31 Jul)	38	45	28 Mar	22 Sep
109.	Swallow	0	0	18	2224	17	0	65	218	1085	17	0	3644	1385	2259	882 (11 Apr)	43	51	28 Mar	10 Oct
110.	House Martin	0	0	2	114	27	0	45	631	529	1	0	1349	1206	143	583 ( 1 Aug)	30	36	28 Mar	6 Oct
111.	Long-tailed Tit	14	0	2	4	0	0	0	41	99	90	16	266	246	20	34 (30 Oct)	17	20	17 Jan	17 Nov
112.	Yellow-browed Warbler	0	0	0	0	0	0	0	0	1	1	0	2	2	0	1 (30 Sep)	2	2	30 Sep	24 Oct
113.	Willow Warbler	0	0	3	10	0	0	0	1	0	0	0	14	1	13	5 ( 3 Apr)	6	7	17 Mar	11 Aug
114.	Chiffchaff	0	0	6	20	0	0	2	44	77	42	0	191	165	26	32 (19 Aug)	38	46	16 Mar	31 Oct
115.	Chiffchaff/Willow Warbler	0	0	0	15	0	0	0	0	0	0	0	15	0	15	6 (18 Apr)	3	4	4 Apr	18 Apr
116.	Sedge Warbler	0	0	0	1	0	0	0	0	0	0	0	1	0	1	1 ( 3 Apr)	1	1	3 Apr	3 Apr
117.	Reed Warbler	0	0	0	1	0	0	0	0	1	0	0	2	1	1	1 (15 Apr)	2	2	15 Apr	25 Sep
118.	Icterine Warbler	0	0	0	0	1	0	1	0	0	0	0	2	1	1	1 (23 May)	2	2	23 May	29 Jul
119.	Blackcap	0	0	0	6	0	0	3	1	3	1	0	14	8	6	3 ( 8 Apr)	8	10	4 Apr	8 Oct
120.	Whitethroat	0	0	0	1	0	0	0	0	0	0	0	1	0	1	1 (15 Apr)	1	1	15 Apr	15 Apr
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
121.	Firecrest	0	0	0	0	0	0	0	0	7	5	1	13	13	0	5 (30 Sep)	5	6	16 Sep	7 Nov
122.	Goldcrest	0	0	0	0	0	0	0	0	1	39	36	76	76	0	19 ( 7 Nov)	11	13	30 Sep	17 Nov
123.	Short-toed Tree Creeper	0	0	0	0	0	0	0	2	0	1	0	3	3	0	2 (15 Aug)	2	2	15 Aug	2 Oct
124.	Starling	6	46	1185	82	25	0	728	4028	2004	9901	4099	22104	19770	2334	3170 ( 7 Nov)	85	102	17 Jan	17 Nov
125.	Song Thrush	1	0	1	6	3	0	0	0	91	2985	4	3091	3080	11	1992 ( 9 Oct)	29	35	21 Jan	7 Nov
126.	Mistle Thrush	0	0	4	0	0	0	0	0	0	35	6	45	41	4	13 (24 Oct)	11	13	17 Mar	17 Nov
127.	Redwing	0	0	517	8	0	0	0	0	0	20765	51	21341	20816	525	6497 (17 Oct)	25	30	11 Mar	17 Nov
128.	Blackbird	3	3	5	14	0	0	0	0	0	104	36	165	140	25	65 (24 Oct)	28	33	19 Jan	17 Nov
129.	Fieldfare	0	0	2	19	0	0	0	0	0	3911	2706	6638	6617	21	1527 (17 Oct)	16	19	24 Mar	17 Nov
130.	Ring Ouzel	0	0	0	4	0	0	0	0	0	5	0	9	5	4	3 (10 Apr)	4	5	10 Apr	11 Oct
131.	White-spotted Bluethroat	0	0	1	0	0	0	0	0	0	0	0	1	0	1	1 (17 Mar)	1	1	17 Mar	17 Mar
132.	Nightingale	0	0	0	2	0	0	0	0	0	0	0	2	0	2	2 (10 Apr)	1	1	10 Apr	10 Apr
133.	Black Redstart	0	0	0	0	0	0	0	1	0	0	0	1	1	0	1 ( 7 Aug)	1	1	7 Aug	7 Aug
134.	Stonechat	0	0	0	0	0	0	0	0	1	2	0	3	3	0	1 (30 Sep)	3	3	30 Sep	6 Oct
135.	Tree Sparrow	0	0	0	0	0	0	0	0	0	39	17	56	56	0	18 (30 Oct)	8	10	8 Oct	11 Nov
136.	House Sparrow	0	0	0	2	0	0	0	0	0	0	0	2	0	2	2 ( 4 Apr)	1	1	4 Apr	4 Apr
137.	Dunnock	1	3	2	5	0	0	0	3	12	33	4	63	52	11	7 (30 Sep)	28	33	28 Jan	7 Nov
138.	Blue-headed Wagtail	0	0	0	28	2	0	0	2	16	12	0	60	30	30	8 (15 Apr)	18	22	4 Apr	31 Oct
139.	Grey Wagtail	0	0	1	0	0	0	0	0	0	14	1	16	15	1	2 ( 2 Oct)	9	11	28 Mar	7 Nov
140.	White Wagtail	0	0	53	28	4	0	1	9	20	57	2	174	89	85	18 ( 8 Oct)	37	44	11 Mar	11 Nov
141.	alba wagtail sp.	0	0	1	3	0	0	0	0	0	0	0	4	0	4	3 (30 Apr)	2	2	28 Mar	30 Apr
142.	Pied Wagtail	0	0	1	0	1	0	0	0	0	0	0	2	0	2	1 (11 Mar)	2	2	11 Mar	13 May
143.	Richard's Pipit	0	0	0	0	0	0	0	0	0	0	1	1	1	0	1 ( 4 Nov)	1	1	4 Nov	4 Nov
144.	Meadow Pipit	0	0	55	1182	0	0	0	1	1553	3244	23	6058	4821	1237	750 ( 8 Oct)	48	58	6 Mar	17 Nov
145.	Tree Pipit	0	0	0	0	3	0	0	4	9	4	0	20	17	3	4 (19 Aug)	8	9	13 May	8 Oct
146.	Water Pipit	4	1	1	0	0	0	0	0	0	0	4	10	10	0	4 (27 Jan)	3	4	27 Jan	7 Nov
147.	Rock Pipit/Water Pipit	0	0	0	0	0	0	0	0	0	1	0	1	1	0	1 (11 Oct)	1	1	11 Oct	11 Oct
148.	Chaffinch	17	67	256	165	3	0	0	19	388	19531	2797	23243	22734	509	4610 ( 9 Oct)	73	87	17 Jan	17 Nov
149.	Brambling	0	0	1	2	0	0	0	0	0	422	130	555	552	3	347 (14 Oct)	15	18	11 Mar	17 Nov
150.	Hawfinch	0	0	0	4	0	0	0	0	0	4	6	14	10	4	6 ( 7 Nov)	7	8	10 Apr	7 Nov
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
151.	Greenfinch	1	38	8	0	0	0	0	2	11	48	2	110	63	47	8 (24 Feb)	28	33	19 Jan	7 Nov
152.	Linnet	0	16	4	150	17	0	0	0	12	58	2	259	72	187	39 ( 8 Oct)	28	34	6 Feb	4 Nov
153.	redpoll sp.	0	0	0	0	0	0	0	0	0	12	0	12	12	0	5 ( 8 Oct)	5	6	8 Oct	18 Oct
154.	Crossbill	0	0	0	0	0	0	0	0	20	20	0	40	40	0	20 (18 Oct)	3	3	19 Sep	18 Oct
155.	Goldfinch	0	1	0	19	5	0	3	0	12	90	10	140	115	25	20 ( 6 Oct)	27	32	13 Feb	17 Nov
156.	Siskin	0	0	0	0	0	0	0	0	540	1656	128	2324	2324	0	345 (28 Sep)	23	27	28 Sep	17 Nov
157.	Lapland Bunting	0	0	0	0	0	0	0	0	0	1	0	1	1	0	1 (30 Oct)	1	1	30 Oct	30 Oct
158.	Ortolan Bunting	0	0	0	0	0	0	0	0	0	1	0	1	1	0	1 ( 9 Oct)	1	1	9 Oct	9 Oct
159.	Reed Bunting	0	5	62	10	0	0	8	0	187	458	33	763	686	77	108 ( 6 Oct)	47	56	3 Feb	17 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.	Small Tortoiseshell	0	0	0	0	0	0	0	0	1	2	0	3	3	0	2 (17 Oct)	2	2	30 Sep	17 Oct
2.	European Peacock	0	0	0	5	1	0	1	0	9	2	1	19	13	6	3 ( 8 Sep)	9	11	15 Apr	7 Nov
3.	Speckled Wood	0	0	0	0	0	0	0	0	1	0	0	1	1	0	1 (30 Sep)	1	1	30 Sep	30 Sep
4.	Large White	0	0	0	0	0	0	0	0	8	0	0	8	8	0	6 ( 8 Sep)	3	3	8 Sep	30 Sep
5.	Small White	0	0	0	0	0	0	0	0	103	12	0	115	115	0	70 ( 8 Sep)	5	6	8 Sep	17 Oct
6.	Red Admiral	0	0	0	1	0	0	0	0	23	9	1	34	33	1	16 (14 Sep)	10	12	15 Apr	7 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.	Bumblebee sp.	0	0	0	1	0	0	0	0	0	0	0	1	0	1	1 (19 Apr)	1	1	19 Apr	19 Apr
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
	Totals	10922	19554	19904	13542	3480	0	22166	11783	10432	91116	23082	225981	160764	65217		100	120
	Observation hours	18:00	35:00	53:30	62:30	14:30	0:00	22:45	45:15	47:30	92:21	22:30	413:51

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Totals Dordtse Biesbosch 2023