Also present

Totals Dordtse Biesbosch 2017

	Species	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Canada Goose	0	0	0	0	0	0	0	0	15	4	0	19	19	0	10 ( 7 Oct)	3	3	7 Oct	4 Nov
2.	Barnacle Goose	69	910	0	1	0	0	379	88	174	554	14	2189	1401	788	475 (13 Nov)	28	30	13 Feb	1 Dec
3.	Greylag Goose	8	187	0	0	0	41	251	642	3076	966	36	5207	4871	336	572 (28 Oct)	52	56	19 Feb	1 Dec
4.	goose sp.	0	0	0	0	0	0	0	0	42	5	20	67	67	0	42 (28 Oct)	3	3	28 Oct	1 Dec
5.	Pink-footed Goose	0	0	0	0	0	0	0	4	0	0	0	4	4	0	4 (30 Sep)	1	1	30 Sep	30 Sep
6.	Tundra Bean Goose	0	18	0	0	0	0	0	0	120	141	9	288	250	38	64 ( 5 Nov)	16	17	28 Mar	20 Dec
7.	Eurasian White-fronted Goose	102	935	0	0	0	0	0	69	2695	3740	213	7754	6566	1188	1734 (25 Nov)	47	51	13 Feb	20 Dec
8.	Lesser White-fronted Goose	0	0	0	0	0	0	0	0	0	1	0	1	1	0	1 ( 7 Nov)	1	1	7 Nov	7 Nov
9.	Black Swan	0	0	0	0	0	0	1	0	0	0	0	1	0	1	1 (15 Aug)	1	1	15 Aug	15 Aug
10.	Mute Swan	0	0	11	0	0	0	0	71	0	8	0	90	15	75	67 ( 7 Sep)	5	5	20 Apr	18 Nov
11.	Bewick's Swan	30	0	0	0	0	0	0	0	21	0	0	51	19	32	30 (19 Feb)	4	4	19 Feb	29 Oct
12.	Whooper Swan	0	0	0	0	0	0	0	0	7	0	0	7	7	0	7 (28 Oct)	1	1	28 Oct	28 Oct
13.	Egyptian Goose	0	30	0	0	0	0	0	6	24	43	0	103	73	30	30 (12 Mar)	9	10	12 Mar	25 Nov
14.	Shelduck	2	15	0	0	0	0	9	26	2	7	2	63	40	23	13 (24 Sep)	15	16	13 Feb	1 Dec
15.	Ruddy Shelduck	0	0	0	0	0	3	0	7	1	0	0	11	10	1	5 (20 Sep)	5	5	22 Jul	3 Oct
16.	Shoveler	0	70	21	0	0	11	0	139	43	0	0	284	193	91	101 ( 3 Sep)	14	15	11 Mar	29 Oct
17.	Gadwall	0	2	10	17	0	7	4	17	17	0	0	74	55	19	17 (29 May)	11	12	12 Mar	17 Oct
18.	Wigeon	30	197	6	0	0	0	0	367	530	193	0	1323	1144	179	305 ( 8 Oct)	27	29	13 Feb	25 Nov
19.	Mallard	0	0	0	0	0	0	0	0	6	4	5	15	15	0	5 ( 1 Dec)	4	4	17 Oct	1 Dec
20.	Pintail	0	81	36	0	0	0	0	25	182	136	6	466	354	112	81 (18 Nov)	31	34	11 Mar	1 Dec
21.	Teal	0	44	0	0	0	0	45	823	789	53	0	1754	1710	44	541 ( 9 Oct)	13	14	11 Mar	18 Nov
22.	Pochard	0	0	0	0	0	0	0	3	3	0	0	6	6	0	3 (24 Sep)	2	2	24 Sep	7 Oct
23.	Tufted Duck	0	0	0	0	0	30	0	92	3	2	0	127	92	35	54 (30 Sep)	6	7	17 Jul	3 Nov
24.	Goldeneye	0	8	0	0	0	0	0	1	1	0	0	10	2	8	8 (12 Mar)	3	3	12 Mar	13 Oct
25.	Goosander	3	5	0	0	0	0	0	0	0	2	0	10	2	8	3 (13 Feb)	5	5	13 Feb	18 Nov
26.	Swift	0	0	611	1203	65	53289	1970	14	0	0	0	57152	56541	611	43106 (29 Jul)	25	27	20 Apr	21 Sep
27.	Cuckoo	0	0	9	0	0	1	1	0	0	0	0	11	2	9	7 (29 Apr)	5	5	20 Apr	6 Aug
28.	Stock Dove	0	1	1	1	1	0	8	41	50	5	0	108	99	9	20 ( 8 Oct)	20	22	12 Mar	7 Nov
29.	Woodpigeon	0	362	12	2	2	0	17	174	16057	603	4	17233	16866	367	3200 (19 Oct)	57	62	11 Mar	20 Dec
30.	Collared Dove	0	3	0	0	0	1	0	8	1	0	0	13	9	4	4 ( 1 Sep)	5	5	26 Mar	19 Oct
	Species	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
31.	Crane	0	2	0	0	0	0	0	0	0	0	0	2	0	2	2 (12 Mar)	1	1	12 Mar	12 Mar
32.	Little Grebe	0	0	0	0	0	0	0	0	4	0	0	4	4	0	4 (13 Oct)	1	1	13 Oct	13 Oct
33.	Great Crested Grebe	0	0	0	0	0	3	0	1	0	0	0	4	3	1	3 (15 Jul)	2	2	15 Jul	7 Sep
34.	Oystercatcher	0	44	74	6	8	43	3	0	0	0	0	178	54	124	46 (29 Apr)	18	19	12 Mar	5 Aug
35.	Avocet	0	0	2	0	0	0	2	0	0	0	0	4	2	2	2 (22 Apr)	2	2	22 Apr	21 Aug
36.	Lapwing	0	72	34	4	0	222	859	2064	2271	1780	0	7306	7200	106	753 (18 Nov)	59	64	11 Mar	25 Nov
37.	Golden Plover	9	45	0	0	0	0	0	25	38	457	0	574	520	54	450 ( 1 Nov)	13	14	19 Feb	4 Nov
38.	Grey Plover	0	0	0	0	0	0	0	2	6	0	0	8	8	0	4 ( 7 Oct)	3	3	29 Sep	15 Oct
39.	Ringed Plover	0	0	0	0	1	0	0	2	0	0	0	3	3	0	1 (27 Jun)	3	3	27 Jun	29 Sep
40.	Little Ringed Plover	0	2	11	0	0	0	0	0	0	0	0	13	1	12	11 (22 Apr)	3	3	24 Mar	22 Apr
41.	Whimbrel	0	0	6	0	0	6	0	2	0	0	0	14	8	6	6 (31 Jul)	6	6	17 Apr	23 Sep
42.	Curlew	1	9	14	1	11	2	0	0	1	0	0	39	16	23	11 (26 Jun)	13	14	19 Feb	17 Oct
43.	Black-tailed Godwit	33	996	56	5	115	19	0	0	0	0	0	1224	219	1005	450 ( 9 Mar)	21	23	19 Feb	27 Jul
44.	Ruff	0	3	2	12	0	53	1	12	15	0	0	98	81	17	21 (20 Jul)	15	16	26 Mar	15 Oct
45.	wader sp.	0	0	0	0	0	0	0	7	0	0	0	7	7	0	7 (20 Sep)	1	1	20 Sep	20 Sep
46.	Dunlin	0	20	0	0	0	0	0	29	0	0	0	49	29	20	29 (30 Sep)	5	5	11 Mar	30 Sep
47.	Jack Snipe	0	1	0	0	0	0	0	0	0	0	0	1	0	1	1 (31 Mar)	1	1	31 Mar	31 Mar
48.	Snipe	0	6	0	0	0	0	53	79	160	37	0	335	322	13	73 (18 Oct)	31	34	12 Mar	25 Nov
49.	Common Sandpiper	0	0	7	0	0	6	13	6	0	0	0	32	25	7	5 (19 Aug)	14	15	22 Apr	23 Sep
50.	Green Sandpiper	0	11	5	0	3	0	2	7	1	1	0	30	14	16	4 (27 Mar)	12	13	15 Mar	3 Nov
51.	Redshank	0	16	24	2	2	0	10	4	1	0	0	59	19	40	23 (17 Apr)	17	18	11 Mar	12 Oct
52.	Wood Sandpiper	0	0	0	1	0	0	1	0	0	0	0	2	1	1	1 ( 1 May)	2	2	1 May	6 Aug
53.	Spotted Redshank	0	1	5	0	0	0	0	1	1	0	0	8	2	6	3 (30 Apr)	6	6	27 Mar	3 Oct
54.	Greenshank	0	1	130	12	0	0	8	9	1	0	0	161	20	141	61 (30 Apr)	16	17	31 Mar	23 Oct
55.	Black-headed Gull	6	803	126	36	0	995	109	60	699	244	0	3078	2111	967	423 (26 Jul)	48	52	13 Feb	25 Nov
56.	Little Gull	0	1	43	0	0	0	0	0	0	0	0	44	0	44	36 (22 Apr)	4	4	31 Mar	30 Apr
57.	Mediterranean Gull	0	5	19	6	0	0	0	1	0	0	0	31	3	28	9 (29 Apr)	8	9	12 Mar	10 Sep
58.	Common Gull	0	5	6	0	0	2	4	1	182	18	4	222	208	14	88 (13 Oct)	23	25	15 Mar	20 Dec
59.	Great Black-backed Gull	0	1	0	2	0	4	5	10	6	0	1	29	26	3	5 ( 7 Sep)	15	16	27 Mar	1 Dec
60.	Herring Gull	0	27	12	0	0	5	3	2	1	16	0	66	33	33	8 ( 3 Nov)	15	16	11 Mar	4 Nov
	Species	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
61.	Caspian Gull	0	0	2	0	0	0	0	2	1	0	0	5	3	2	2 (29 Apr)	4	4	29 Apr	4 Oct
62.	Yellow-legged Gull	0	0	0	1	0	0	0	1	0	2	0	4	3	1	2 ( 3 Nov)	3	3	2 May	3 Nov
63.	Lesser Black-backed Gull	0	80	19	26	8	9	22	4	17	16	0	201	89	112	21 (26 Mar)	40	43	11 Mar	25 Nov
64.	Gull-billed Tern	0	0	0	0	0	0	0	1	0	0	0	1	1	0	1 ( 3 Sep)	1	1	3 Sep	3 Sep
65.	Caspian Tern	0	0	0	0	0	1	0	0	0	0	0	1	1	0	1 (15 Jul)	1	1	15 Jul	15 Jul
66.	Sandwich Tern	0	0	0	0	0	9	0	0	0	0	0	9	9	0	9 (15 Jul)	1	1	15 Jul	15 Jul
67.	Little Tern	0	0	0	0	0	3	1	0	0	0	0	4	3	1	3 (29 Jul)	2	2	29 Jul	15 Aug
68.	Common Tern	0	0	237	6	0	23	1	2	0	0	0	269	26	243	156 (29 Apr)	9	10	22 Apr	7 Sep
69.	Black Tern	0	0	144	12	0	3	0	2	0	0	0	161	5	156	137 (29 Apr)	6	6	22 Apr	21 Sep
70.	Arctic Skua	0	0	0	0	0	0	0	3	0	0	0	3	3	0	3 (30 Sep)	1	1	30 Sep	30 Sep
71.	White Stork	0	5	1	0	0	0	0	5	0	0	0	11	5	6	5 (19 Sep)	4	4	12 Mar	19 Sep
72.	Cormorant	21	282	8	16	6	0	10	1134	2115	26	7	3625	3302	323	436 ( 8 Oct)	49	53	19 Feb	20 Dec
73.	Spoonbill	0	2	43	17	34	97	19	99	7	0	0	318	198	120	54 (17 Jul)	30	32	28 Mar	19 Oct
74.	Bittern	0	0	0	0	0	0	0	1	0	0	0	1	1	0	1 ( 1 Sep)	1	1	1 Sep	1 Sep
75.	Night Heron	0	0	0	0	0	0	0	0	1	0	0	1	1	0	1 ( 1 Oct)	1	1	1 Oct	1 Oct
76.	Cattle Egret	0	0	0	0	0	0	0	1	0	0	0	1	1	0	1 (10 Sep)	1	1	10 Sep	10 Sep
77.	Grey Heron	1	35	4	5	5	5	20	323	75	6	0	479	438	41	209 (19 Sep)	49	53	19 Feb	4 Nov
78.	Purple Heron	0	0	0	0	0	0	494	462	0	0	0	956	956	0	339 ( 2 Sep)	5	5	20 Aug	19 Sep
79.	Great White Egret	0	10	9	2	1	1	8	33	45	7	0	116	79	37	9 (20 Oct)	39	42	11 Mar	7 Nov
80.	Little Egret	0	0	8	0	0	8	5	3	1	0	0	25	17	8	5 (29 Apr)	10	11	29 Apr	25 Oct
81.	Osprey	0	0	1	1	0	1	2	8	1	0	0	14	12	2	3 (30 Sep)	10	11	22 Apr	3 Oct
82.	Honey Buzzard	0	0	0	2	0	1	3	7	0	0	0	13	12	1	3 ( 2 Sep)	7	8	1 May	19 Sep
83.	Short-toed Eagle	0	0	0	0	0	0	1	0	0	0	0	1	1	0	1 (12 Aug)	1	1	12 Aug	12 Aug
84.	Sparrowhawk	0	7	3	2	0	0	10	30	19	6	0	77	66	11	7 (16 Aug)	38	41	12 Mar	18 Nov
85.	Goshawk	0	0	0	0	0	0	0	0	1	1	0	2	2	0	1 ( 9 Oct)	2	2	9 Oct	3 Nov
86.	Marsh Harrier	0	20	9	3	0	2	2	28	9	1	0	74	45	29	6 (31 Mar)	30	32	12 Mar	4 Nov
87.	Hen Harrier	0	4	2	0	0	0	1	0	0	0	0	7	0	7	1 (24 Mar)	6	7	24 Mar	14 Aug
88.	Red Kite	0	0	0	0	0	0	0	1	0	0	0	1	1	0	1 ( 7 Sep)	1	1	7 Sep	7 Sep
89.	Black Kite	0	0	2	0	0	0	0	0	0	0	0	2	0	2	2 (29 Apr)	1	1	29 Apr	29 Apr
90.	White-tailed Eagle	0	0	0	0	0	0	0	0	1	0	0	1	1	0	1 ( 9 Oct)	1	1	9 Oct	9 Oct
	Species	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
91.	Common Buzzard	0	11	1	0	0	0	0	24	11	6	0	53	44	9	10 (23 Sep)	18	19	12 Mar	5 Nov
92.	Great Spotted Woodpecker	0	11	1	0	0	2	1	33	13	4	0	65	45	20	9 (24 Sep)	27	29	11 Mar	4 Nov
93.	Green Woodpecker	0	0	0	0	0	1	0	0	0	0	0	1	1	0	1 (27 Jul)	1	1	27 Jul	27 Jul
94.	Kestrel	0	1	0	2	0	1	1	7	4	0	0	16	14	2	2 (23 Sep)	13	14	31 Mar	19 Oct
95.	Red-footed Falcon	0	0	0	0	0	0	0	2	0	0	0	2	2	0	2 ( 2 Sep)	1	1	2 Sep	2 Sep
96.	Merlin	1	2	0	1	0	1	1	1	2	0	0	9	5	4	2 (27 Mar)	6	7	13 Feb	8 Oct
97.	Hobby	0	0	0	0	0	5	4	9	0	0	0	18	17	1	4 (22 Jul)	9	10	22 Jul	25 Sep
98.	Peregrine	0	0	0	0	0	0	0	6	2	1	0	9	8	1	2 ( 6 Sep)	7	8	6 Sep	4 Nov
99.	Golden Oriole	0	0	1	1	0	0	0	0	0	0	0	2	0	2	1 (30 Apr)	2	2	30 Apr	20 May
100.	Jay	0	14	1	0	0	0	2	68	46	0	0	131	60	71	31 (21 Sep)	21	23	11 Mar	15 Oct
101.	Magpie	0	0	0	0	0	0	0	3	6	0	0	9	9	0	6 (16 Oct)	2	2	24 Sep	16 Oct
102.	Jackdaw	0	81	11	0	0	0	0	65	275	73	0	505	426	79	80 (19 Oct)	33	36	11 Mar	23 Nov
103.	Rook	0	3	0	0	0	0	0	2	7	0	0	12	11	1	7 (30 Oct)	5	5	15 Mar	30 Oct
104.	Carrion Crow	0	55	24	6	0	6	25	41	75	47	2	281	199	82	24 ( 7 Oct)	47	51	12 Mar	1 Dec
105.	Coal Tit	0	0	0	0	0	0	0	63	72	3	0	138	115	23	33 (24 Sep)	19	20	3 Sep	5 Nov
106.	Willow Tit	0	0	1	0	0	0	0	0	0	0	0	1	0	1	1 (20 Apr)	1	1	20 Apr	20 Apr
107.	Blue Tit	0	27	2	0	0	6	13	419	692	37	1	1197	919	278	123 (18 Oct)	57	62	12 Mar	1 Dec
108.	Great Tit	0	42	16	0	0	4	16	242	419	60	1	800	590	210	60 (19 Oct)	59	64	11 Mar	1 Dec
109.	Penduline Tit	0	1	0	0	0	0	0	1	1	0	0	3	2	1	1 (28 Mar)	3	3	28 Mar	8 Oct
110.	Bearded Tit	0	8	0	0	0	0	0	4	155	4	0	171	163	8	72 (12 Oct)	9	10	11 Mar	25 Nov
111.	Wood Lark	0	0	0	0	0	0	0	0	4	0	0	4	4	0	3 (15 Oct)	2	2	15 Oct	17 Oct
112.	Skylark	3	1	0	0	0	0	0	0	401	884	0	1289	1285	4	844 ( 4 Nov)	28	30	13 Feb	18 Nov
113.	Sand Martin	0	5	523	4	2	3929	108	2622	0	0	0	7193	6455	738	2626 (20 Jul)	30	32	17 Mar	24 Sep
114.	Swallow	0	12	595	22	0	4145	153	4551	42	2	0	9522	8970	552	1706 (20 Jul)	44	47	24 Mar	5 Nov
115.	House Martin	0	0	38	63	0	542	566	1039	0	0	0	2248	2179	69	541 (10 Sep)	23	25	17 Apr	21 Sep
116.	Long-tailed Tit	0	8	0	0	0	0	0	17	114	46	0	185	139	46	23 (18 Oct)	18	19	12 Mar	7 Nov
117.	Northern Long-tailed Tit	0	0	2	0	0	0	0	0	0	0	0	2	0	2	2 (29 Apr)	1	1	29 Apr	29 Apr
118.	Yellow-browed Warbler	0	0	0	0	0	0	0	3	1	1	0	5	5	0	2 (30 Sep)	4	4	29 Sep	3 Nov
119.	Willow Warbler	0	0	1	0	0	1	0	5	0	1	0	8	7	1	3 ( 2 Sep)	6	6	30 Apr	2 Nov
120.	Chiffchaff	0	21	0	0	0	0	0	32	20	4	0	77	56	21	17 (12 Mar)	19	20	12 Mar	7 Nov
	Species	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
121.	Chiffchaff/Willow Warbler	0	0	2	0	0	0	0	13	2	0	0	17	15	2	6 ( 3 Sep)	5	5	30 Apr	7 Oct
122.	Reed Warbler	0	0	0	0	0	0	0	6	0	0	0	6	6	0	6 (17 Sep)	1	1	17 Sep	17 Sep
123.	Blackcap	0	0	1	0	0	0	0	4	0	0	0	5	4	1	3 (17 Sep)	3	3	30 Apr	17 Sep
124.	Whitethroat	0	0	1	0	0	0	0	1	0	0	0	2	1	1	1 (30 Apr)	2	2	30 Apr	2 Sep
125.	Firecrest	0	0	0	0	0	0	0	0	4	2	0	6	6	0	3 (17 Oct)	3	3	17 Oct	3 Nov
126.	Goldcrest	1	0	0	0	0	0	0	7	18	1	0	27	26	1	8 (17 Oct)	9	10	13 Feb	3 Nov
127.	Wren	0	0	0	0	0	0	0	0	22	0	0	22	22	0	20 ( 4 Oct)	2	2	4 Oct	7 Oct
128.	Nuthatch	0	1	0	0	0	0	0	0	0	0	0	1	0	1	1 (24 Mar)	1	1	24 Mar	24 Mar
129.	Short-toed Tree Creeper	0	0	0	0	0	0	0	0	5	0	0	5	5	0	2 (10 Oct)	3	3	10 Oct	17 Oct
130.	Starling	0	158	5	27	40	692	2000	1431	14848	1232	9	20442	20267	175	4500 (19 Oct)	69	74	11 Mar	20 Dec
131.	Song Thrush	0	4	5	0	0	0	0	86	1219	14	0	1328	1305	23	372 (16 Oct)	36	39	31 Mar	25 Nov
132.	Mistle Thrush	0	1	0	0	0	0	0	0	9	5	0	15	14	1	5 ( 4 Nov)	6	7	26 Mar	4 Nov
133.	Redwing	0	358	1	0	0	0	0	3	9660	1885	16	11923	11564	359	2800 (19 Oct)	36	39	12 Mar	20 Dec
134.	Blackbird	0	4	1	0	0	0	0	8	75	58	1	147	141	6	39 (17 Oct)	22	24	11 Mar	20 Dec
135.	Fieldfare	93	61	31	0	0	0	0	0	725	1036	85	2031	1846	185	330 (30 Oct)	25	27	13 Feb	20 Dec
136.	Ring Ouzel	0	0	1	0	0	0	0	0	1	8	0	10	8	2	5 ( 7 Nov)	4	4	30 Apr	7 Nov
137.	Robin	0	0	0	0	0	0	0	0	4	0	0	4	4	0	3 (17 Oct)	2	2	8 Oct	17 Oct
138.	Redstart	0	0	0	0	0	0	0	2	0	0	0	2	2	0	2 ( 2 Sep)	1	1	2 Sep	2 Sep
139.	Stonechat	0	0	0	0	0	0	0	1	0	0	0	1	0	1	1 (27 Sep)	1	1	27 Sep	27 Sep
140.	Wheatear	0	0	0	0	0	0	0	3	0	0	0	3	3	0	3 ( 3 Sep)	1	1	3 Sep	3 Sep
141.	Tree Sparrow	0	2	0	0	0	0	3	29	248	1	0	283	281	2	78 (17 Oct)	15	16	24 Mar	4 Nov
142.	Dunnock	1	2	0	0	0	0	0	11	9	1	0	24	18	6	8 (30 Sep)	9	10	13 Feb	2 Nov
143.	Blue-headed Wagtail	0	5	85	14	0	3	20	38	0	0	0	165	54	111	33 (22 Apr)	23	25	16 Mar	24 Sep
144.	Grey Wagtail	0	1	0	0	0	0	2	36	16	1	1	57	54	3	13 (23 Sep)	17	18	31 Mar	1 Dec
145.	White Wagtail	0	77	4	0	0	2	52	200	152	7	1	495	355	140	34 ( 2 Sep)	53	57	11 Mar	1 Dec
146.	Pied Wagtail	0	1	1	0	0	0	0	0	0	0	0	2	0	2	1 (16 Mar)	2	2	16 Mar	29 Apr
147.	Meadow Pipit	1	71	19	0	0	2	5	547	2213	73	6	2937	2781	156	434 (16 Oct)	56	60	13 Feb	20 Dec
148.	Tree Pipit	0	0	1	0	0	0	1	41	1	0	0	44	43	1	14 (20 Sep)	11	12	20 Apr	23 Oct
149.	Water Pipit	0	11	1	0	0	0	0	1	12	6	1	32	22	10	10 (17 Oct)	10	11	11 Mar	1 Dec
150.	Rock Pipit	0	0	0	0	0	0	0	0	2	0	0	2	2	0	2 ( 8 Oct)	1	1	8 Oct	8 Oct
	Species	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
151.	Rock Pipit/Water Pipit	0	0	0	0	0	0	0	0	2	0	0	2	2	0	2 ( 8 Oct)	1	1	8 Oct	8 Oct
152.	Chaffinch	1	24	8	1	0	0	1	243	19084	1486	34	20882	20820	62	4740 (16 Oct)	58	63	13 Feb	20 Dec
153.	Brambling	0	0	0	0	0	0	0	3	85	615	4	707	705	2	520 ( 4 Nov)	24	26	24 Sep	20 Dec
154.	Chaffinch/Brambling	0	0	0	0	0	0	0	0	0	63	0	63	63	0	63 (25 Nov)	1	1	25 Nov	25 Nov
155.	Hawfinch	0	1	5	0	0	0	0	1	18	1	0	26	20	6	11 (17 Oct)	9	10	15 Mar	3 Nov
156.	Bullfinch	0	1	0	0	0	0	0	0	0	0	0	1	0	1	1 (24 Mar)	1	1	24 Mar	24 Mar
157.	Greenfinch	0	16	11	0	0	0	5	84	79	41	2	238	180	58	51 (24 Sep)	40	43	11 Mar	1 Dec
158.	Linnet	0	21	5	0	0	0	9	43	20	0	1	99	73	26	39 (30 Sep)	17	18	15 Mar	1 Dec
159.	Lesser Redpoll	0	0	0	0	0	0	0	0	2	0	0	2	2	0	2 ( 8 Oct)	1	1	8 Oct	8 Oct
160.	redpoll sp.	0	0	0	0	0	0	0	0	7	13	7	27	27	0	8 (25 Nov)	7	8	8 Oct	20 Dec
161.	Crossbill	0	0	0	0	135	0	0	2	10	2	0	149	14	135	135 (27 Jun)	5	5	27 Jun	2 Nov
162.	Goldfinch	0	10	2	5	0	0	0	20	143	93	4	277	265	12	61 ( 3 Nov)	23	25	12 Mar	20 Dec
163.	Siskin	0	4	0	0	0	0	0	22	134	22	19	201	179	22	58 (17 Oct)	19	21	12 Mar	20 Dec
164.	Reed Bunting	1	15	0	0	0	0	0	161	352	71	0	600	579	21	86 (17 Oct)	44	48	19 Feb	25 Nov
	Other species
	Species	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Small Tortoiseshell	0	1	0	0	0	0	0	0	0	0	0	1	1	0	1 (31 Mar)	1	1	31 Mar	31 Mar
2.	European Peacock	0	6	3	0	0	0	0	0	0	0	0	9	3	6	3 (31 Mar)	4	4	16 Mar	20 Apr
3.	Small White	0	0	3	0	0	0	0	0	0	0	0	3	3	0	2 (29 Apr)	2	2	20 Apr	29 Apr
4.	Red Admiral	0	0	0	0	0	0	0	0	1	0	0	1	1	0	1 ( 1 Oct)	1	1	1 Oct	1 Oct
	Species	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
	Totals	417	6543	3198	1550	439	64248	7345	19397	81083	16995	516	201731	190169	11562		100	108
	Observation hours	6:00	50:36	26:09	13:09	6:00	38:00	43:27	99:08	96:12	36:04	5:15	420:00

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Trektellen

Totals Dordtse Biesbosch 2017