Also present

Totals Dordtse Biesbosch 2020

	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	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	0	1	0	1	1 (24 Mar)	1	1	24 Mar	24 Mar
2.	Canada Goose	0	8	0	2	25	8	0	0	8	3	0	0	54	19	35	25 (30 May)	4	6	18 Feb	6 Oct
3.	Barnacle Goose	352	2348	5017	304	72	6	0	0	21	791	743	0	9654	3250	6404	1600 (18 Mar)	42	60	11 Jan	29 Nov
4.	Branta sp.	0	0	0	0	0	0	0	0	2	0	0	0	2	0	2	2 (29 Sep)	1	1	29 Sep	29 Sep
5.	Greylag Goose	55	455	356	106	49	0	0	0	215	939	775	25	2975	1844	1131	360 ( 7 Nov)	55	79	18 Jan	8 Dec
6.	goose sp.	41	49	14	6	0	0	0	0	0	45	167	0	322	217	105	105 ( 5 Nov)	10	14	11 Jan	14 Nov
7.	Domestic Goose	0	0	0	0	0	0	0	0	0	8	0	0	8	8	0	8 (10 Oct)	1	1	10 Oct	10 Oct
8.	Tundra Bean Goose	407	694	28	0	0	0	0	0	0	111	769	57	2066	895	1171	505 ( 6 Feb)	19	28	11 Jan	17 Dec
9.	Eurasian White-fronted Goose	201	1600	1592	0	0	0	0	0	14	5357	1730	40	10534	6008	4526	1583 (15 Oct)	39	56	11 Jan	17 Dec
10.	Black Swan	0	0	0	0	0	0	0	0	0	1	0	0	1	1	0	1 ( 1 Oct)	1	1	1 Oct	1 Oct
11.	Mute Swan	0	7	2	7	0	0	0	7	9	14	0	0	46	30	16	12 ( 6 Oct)	5	7	15 Feb	10 Oct
12.	Bewick's Swan	1	5	0	0	0	0	0	0	0	0	7	12	25	20	5	6 ( 1 Dec)	5	7	18 Jan	5 Dec
13.	Egyptian Goose	7	19	0	120	6	0	0	0	55	99	29	0	335	168	167	72 (10 Apr)	22	31	30 Jan	5 Nov
14.	Shelduck	0	7	27	61	7	0	10	0	25	4	20	0	161	53	108	18 ( 8 Nov)	22	32	3 Feb	9 Nov
15.	Ruddy Shelduck	0	0	0	2	0	0	0	1	0	0	0	0	3	0	3	2 (17 Apr)	1	2	17 Apr	31 Aug
16.	Shoveler	0	3	38	110	0	4	0	4	55	21	4	2	241	102	139	31 ( 9 Apr)	24	35	29 Feb	17 Dec
17.	Gadwall	0	0	11	16	5	0	15	225	12	12	0	0	296	264	32	190 ( 4 Aug)	10	15	14 Mar	18 Oct
18.	Wigeon	0	2	9	12	0	0	0	14	572	200	67	0	876	855	21	210 (19 Sep)	19	27	18 Feb	29 Nov
19.	Mallard	0	0	9	0	0	0	0	0	8	14	7	0	38	29	9	7 (29 Nov)	7	10	17 Mar	29 Nov
20.	Pintail	0	48	75	46	0	0	0	23	156	134	0	0	482	317	165	56 (20 Sep)	28	41	6 Feb	31 Oct
21.	Teal	0	0	35	22	0	0	3	0	193	4	0	0	257	200	57	60 (17 Sep)	8	12	14 Mar	18 Oct
22.	Pochard	0	0	0	7	0	0	0	0	0	0	0	0	7	0	7	7 ( 9 Apr)	1	1	9 Apr	9 Apr
23.	Tufted Duck	25	60	2	10	0	0	0	2	74	0	0	0	173	76	97	60 ( 6 Feb)	8	12	25 Jan	26 Sep
24.	Long-tailed Duck	0	0	0	0	0	0	0	0	0	1	0	0	1	1	0	1 (29 Oct)	1	1	29 Oct	29 Oct
25.	Goldeneye	0	50	18	0	0	0	0	0	0	23	5	0	96	28	68	50 (29 Feb)	8	11	29 Feb	7 Nov
26.	Smew	0	1	0	0	0	0	0	0	0	1	0	0	2	1	1	1 ( 6 Feb)	1	2	6 Feb	31 Oct
27.	Goosander	4	2	23	21	0	0	0	0	2	1	7	2	62	13	49	6 (15 Apr)	18	26	11 Jan	8 Dec
28.	Red-breasted Merganser	0	0	2	1	0	0	0	0	0	0	0	0	3	0	3	2 (16 Mar)	1	2	16 Mar	21 Apr
29.	Swift	0	0	0	11319	6098	70969	8231	1996	0	0	0	0	98613	81195	17418	35048 (28 Jun)	27	39	17 Apr	31 Aug
30.	Cuckoo	0	0	0	2	18	0	0	0	0	0	0	0	20	0	20	12 ( 5 May)	3	5	20 Apr	7 May
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
31.	Stock Dove	18	22	21	15	2	0	0	8	26	32	247	3	394	334	60	151 ( 9 Nov)	31	45	11 Jan	5 Dec
32.	Woodpigeon	357	242	566	339	13	7	0	3	48	13550	10333	67	25525	25068	457	3452 (27 Oct)	67	96	11 Jan	17 Dec
33.	Collared Dove	0	0	0	6	0	0	0	0	7	1	0	0	14	2	12	6 (12 Sep)	5	7	6 Apr	18 Oct
34.	Little Grebe	0	0	0	0	0	0	0	0	2	0	0	0	2	2	0	2 (26 Sep)	1	1	26 Sep	26 Sep
35.	Great Crested Grebe	0	0	3	3	1	0	2	0	1	1	0	0	11	4	7	2 (25 Apr)	7	10	3 Mar	3 Oct
36.	Black-necked Grebe	0	0	0	0	0	0	0	1	0	0	0	0	1	1	0	1 ( 3 Aug)	1	1	3 Aug	3 Aug
37.	Oystercatcher	0	4	17	43	10	4	193	1	1	0	0	0	273	196	77	161 (20 Jul)	19	27	29 Feb	19 Sep
38.	Avocet	0	0	16	44	3	0	0	0	0	0	0	0	63	0	63	26 ( 2 Apr)	7	10	14 Mar	16 May
39.	Grey Plover	0	0	0	0	0	0	0	0	0	0	19	0	19	19	0	18 (14 Nov)	1	2	7 Nov	14 Nov
40.	Golden Plover	0	160	2	0	0	0	0	0	16	195	117	18	508	346	162	160 (15 Feb)	12	17	15 Feb	17 Dec
41.	Ringed Plover	0	0	0	4	6	0	1	2	3	0	0	0	16	6	10	6 (12 May)	4	6	22 Apr	29 Sep
42.	Little Ringed Plover	0	0	2	3	1	0	0	0	0	0	0	0	6	0	6	2 (26 Mar)	3	5	26 Mar	26 May
43.	Lapwing	118	314	86	72	19	21	2	16	170	2186	975	72	4051	3494	557	623 (10 Oct)	58	84	11 Jan	8 Dec
44.	Whimbrel	0	0	0	54	4	0	1	9	4	0	0	0	72	4	68	19 (11 Apr)	8	12	9 Apr	2 Sep
45.	Curlew	1	48	52	7	0	3	6	0	2	20	10	0	149	52	97	28 (29 Feb)	20	29	18 Jan	5 Nov
46.	Black-tailed Godwit	0	109	1089	1208	60	5	29	0	0	0	0	0	2500	29	2471	567 (25 Mar)	24	35	15 Feb	20 Jul
47.	Snipe	0	0	47	21	0	0	3	49	94	129	25	1	369	301	68	44 (12 Oct)	38	54	18 Mar	5 Dec
48.	Common Sandpiper	0	0	0	16	10	0	3	21	7	0	0	0	57	31	26	9 (15 Aug)	12	17	20 Apr	14 Sep
49.	Green Sandpiper	0	0	5	61	0	1	5	18	8	0	2	0	100	34	66	14 (11 Apr)	26	37	16 Mar	14 Nov
50.	Wood Sandpiper	0	0	0	4	0	0	2	1	1	0	0	0	8	4	4	2 (18 Apr)	4	6	18 Apr	12 Sep
51.	Redshank	0	0	16	141	23	3	1	1	0	0	0	0	185	4	181	109 ( 2 Apr)	19	28	16 Mar	1 Aug
52.	Spotted Redshank	0	0	0	11	0	0	0	0	3	2	0	0	16	5	11	5 (21 Apr)	8	11	2 Apr	15 Oct
53.	Greenshank	0	0	0	121	16	1	0	6	8	1	0	0	153	16	137	36 (20 Apr)	15	21	10 Apr	31 Oct
54.	Ruff	0	0	37	10	0	0	213	12	0	3	6	0	281	234	47	150 (20 Jul)	9	13	16 Mar	8 Nov
55.	wader sp.	0	0	0	0	0	0	0	0	2	0	0	0	2	2	0	2 (26 Sep)	1	1	26 Sep	26 Sep
56.	Dunlin	0	0	1	0	0	0	0	7	34	1	1	0	44	43	1	17 (21 Sep)	6	8	17 Mar	8 Nov
57.	Little Stint	0	0	0	0	2	0	0	0	0	0	0	0	2	0	2	2 ( 7 May)	1	1	7 May	7 May
58.	Whiskered Tern	0	0	0	0	0	0	0	6	0	0	0	0	6	6	0	6 (15 Aug)	1	1	15 Aug	15 Aug
59.	Black Tern	0	0	0	47	27	11	2	7	0	0	0	0	94	20	74	20 ( 5 May)	13	19	17 Apr	22 Aug
60.	White-winged Black Tern	0	0	0	0	0	0	0	1	0	0	0	0	1	1	0	1 (15 Aug)	1	1	15 Aug	15 Aug
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
61.	Arctic Tern	0	0	0	2	0	0	1	0	0	0	0	0	3	1	2	1 (20 Apr)	2	3	20 Apr	10 Jul
62.	Common Tern	0	0	0	545	127	2	7	20	2	0	0	0	703	28	675	264 (30 Apr)	22	32	7 Apr	30 Sep
63.	Little Gull	0	0	0	49	6	0	0	0	1	1	0	0	57	2	55	12 (18 Apr)	8	11	18 Apr	10 Oct
64.	Black-headed Gull	17	395	3180	1682	324	1918	428	82	67	375	1055	89	9612	3972	5640	1486 (16 Mar)	67	96	11 Jan	17 Dec
65.	Mediterranean Gull	0	4	24	223	10	17	0	0	0	0	0	0	278	17	261	51 (11 Apr)	20	29	29 Feb	28 Jun
66.	Common Gull	0	8	36	4	0	0	3	2	2	30	24	15	124	76	48	14 (23 Mar)	25	36	6 Feb	17 Dec
67.	Caspian Gull	1	1	9	0	0	0	0	3	2	2	0	0	18	10	8	2 (14 Mar)	10	14	30 Jan	31 Oct
68.	Herring Gull	3	46	99	130	24	14	2	25	2	9	6	4	364	62	302	25 (14 Mar)	49	70	25 Jan	17 Dec
69.	Yellow-legged Gull	0	2	5	3	0	1	0	1	3	2	5	1	23	13	10	2 ( 7 Mar)	14	20	6 Feb	5 Dec
70.	Great Black-backed Gull	0	19	30	26	2	3	0	15	11	7	4	1	118	52	66	9 (14 Mar)	31	45	6 Feb	17 Dec
71.	Lesser Black-backed Gull	1	27	264	421	91	77	31	103	22	37	16	1	1091	284	807	66 (21 Apr)	65	94	18 Jan	5 Dec
72.	White Stork	0	12	36	30	0	0	0	2	6	0	0	0	86	8	78	34 (25 Mar)	8	11	29 Feb	19 Sep
73.	Cormorant	0	18	418	706	9	0	25	20	703	3390	2407	29	7725	6574	1151	1041 (12 Oct)	53	77	6 Feb	5 Dec
74.	Eudocimus ruber	0	0	0	0	0	0	0	0	0	1	0	0	1	1	0	1 (11 Oct)	1	1	11 Oct	11 Oct
75.	Spoonbill	0	0	36	182	13	18	11	4	130	20	0	0	414	153	261	37 (24 Sep)	35	51	7 Mar	14 Oct
76.	Little Egret	0	0	0	13	5	7	5	15	15	4	1	0	65	42	23	7 (22 Apr)	20	29	6 Apr	9 Nov
77.	Cattle Egret	0	0	0	2	0	3	0	11	0	1	0	0	17	14	3	7 (31 Aug)	6	8	25 Apr	16 Oct
78.	Great White Egret	0	0	25	42	3	0	5	33	79	48	28	0	263	195	68	22 (31 Aug)	43	62	7 Mar	29 Nov
79.	Grey Heron	0	18	35	68	8	0	5	118	27	10	0	0	289	159	130	59 (31 Aug)	33	48	17 Feb	18 Oct
80.	Purple Heron	0	0	0	7	1	1	9	470	1	0	0	0	489	481	8	405 (31 Aug)	10	14	9 Apr	17 Sep
81.	Osprey	0	0	0	10	1	0	0	2	1	1	0	0	15	4	11	3 ( 6 Apr)	8	12	6 Apr	10 Oct
82.	Honey Buzzard	0	0	0	0	0	0	1	0	1	0	0	0	2	2	0	1 (27 Jul)	1	2	27 Jul	5 Sep
83.	Sparrowhawk	0	0	16	22	0	0	0	1	6	39	16	0	100	62	38	13 (10 Oct)	24	35	14 Mar	10 Nov
84.	Goshawk	0	0	3	0	0	0	0	0	0	0	1	0	4	1	3	3 (16 Mar)	1	2	16 Mar	3 Nov
85.	Marsh Harrier	0	1	13	45	3	0	0	1	10	12	2	0	87	25	62	14 ( 6 Apr)	29	42	15 Feb	9 Nov
86.	Hen Harrier	0	1	1	1	0	0	0	0	0	4	1	0	8	5	3	2 (29 Oct)	5	7	3 Feb	3 Nov
87.	Red Kite	0	0	2	3	0	0	0	0	1	1	0	0	7	2	5	2 (23 Mar)	3	5	23 Mar	15 Oct
88.	Black Kite	0	0	1	5	1	0	0	0	0	0	0	0	7	0	7	3 (20 Apr)	3	5	16 Mar	7 May
89.	White-tailed Eagle	0	0	3	1	0	0	0	0	1	1	0	0	6	2	4	1 (16 Mar)	4	6	16 Mar	15 Oct
90.	Common Buzzard	0	0	18	26	0	0	0	8	12	120	5	0	189	145	44	87 (15 Oct)	22	32	14 Mar	8 Nov
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
91.	Lesser Spotted Woodpecker	0	0	0	0	0	0	0	1	0	0	0	0	1	1	0	1 (15 Aug)	1	1	15 Aug	15 Aug
92.	Great Spotted Woodpecker	0	0	5	5	0	0	0	0	31	26	7	0	74	64	10	8 (19 Sep)	20	29	12 Mar	9 Nov
93.	Kestrel	0	0	0	5	0	0	0	0	7	10	0	0	22	17	5	3 (10 Oct)	12	17	17 Apr	31 Oct
94.	Red-footed Falcon	0	0	0	0	1	0	0	0	0	0	0	0	1	0	1	1 (30 May)	1	1	30 May	30 May
95.	Merlin	0	0	1	5	0	0	0	0	4	7	0	0	17	11	6	2 (21 Apr)	10	15	18 Mar	31 Oct
96.	Hobby	0	0	0	3	0	0	1	1	8	1	0	0	14	11	3	2 ( 5 Sep)	9	13	16 Apr	10 Oct
97.	Peregrine	0	1	0	1	0	0	0	0	2	2	2	0	8	6	2	2 (31 Oct)	5	7	29 Feb	9 Nov
98.	Jay	0	0	1	15	4	0	0	0	18	13	2	0	53	33	20	7 (15 Sep)	16	23	16 Mar	5 Nov
99.	Magpie	0	4	17	9	0	0	0	1	1	26	7	0	65	35	30	6 (16 Mar)	18	26	6 Feb	9 Nov
100.	Jackdaw	0	0	248	244	32	0	0	15	50	388	360	0	1337	833	504	111 ( 7 Nov)	38	55	7 Mar	20 Nov
101.	Rook	0	0	0	1	0	0	0	2	3	1	9	2	18	17	1	4 ( 7 Nov)	6	8	10 Apr	8 Dec
102.	Carrion Crow	3	33	223	168	39	0	0	11	56	125	106	29	793	340	453	29 (25 Mar)	58	83	18 Jan	17 Dec
103.	Coal Tit	0	0	0	0	0	0	0	0	0	0	2	0	2	2	0	2 ( 8 Nov)	1	1	8 Nov	8 Nov
104.	Willow Tit	0	0	1	0	0	1	0	0	2	0	0	0	4	3	1	1 ( 3 Mar)	3	4	3 Mar	30 Sep
105.	Blue Tit	0	13	91	27	0	79	1	12	275	372	101	12	983	839	144	82 (15 Oct)	58	84	7 Feb	17 Dec
106.	Great Tit	0	44	70	20	5	13	0	10	159	297	72	8	698	557	141	67 ( 5 Oct)	58	84	3 Feb	8 Dec
107.	Penduline Tit	0	0	0	0	0	0	0	0	0	1	0	0	1	1	0	1 (12 Oct)	1	1	12 Oct	12 Oct
108.	Bearded Tit	0	0	16	0	0	0	0	0	0	43	5	0	64	48	16	13 (14 Oct)	8	11	3 Mar	8 Nov
109.	Wood Lark	0	0	0	0	0	0	0	0	0	22	9	0	31	31	0	18 (18 Oct)	6	8	11 Oct	9 Nov
110.	Skylark	0	6	7	2	0	0	0	0	2	1255	3248	3	4523	4508	15	1543 ( 9 Nov)	30	43	6 Feb	17 Dec
111.	Sand Martin	0	0	6	449	19	12	74	12851	101	0	0	0	13512	13038	474	7100 (18 Aug)	32	46	21 Mar	27 Sep
112.	Swallow	0	0	2	609	27	16	47	666	890	313	0	0	2570	1923	647	482 (18 Aug)	49	70	16 Mar	26 Oct
113.	House Martin	0	0	0	45	0	4	70	284	312	23	0	0	738	693	45	210 (24 Aug)	22	31	10 Apr	10 Oct
114.	Long-tailed Tit	0	1	12	1	0	0	0	0	31	39	70	14	168	154	14	26 ( 8 Nov)	13	19	28 Feb	8 Dec
115.	Yellow-browed Warbler	0	0	0	0	0	0	0	0	1	1	0	0	2	2	0	1 (28 Sep)	1	2	28 Sep	10 Oct
116.	Willow Warbler	0	0	0	4	0	0	0	0	1	0	0	0	5	1	4	3 ( 8 Apr)	2	3	6 Apr	19 Sep
117.	Chiffchaff	0	0	21	16	0	0	0	18	45	31	13	0	144	107	37	7 (17 Aug)	33	48	14 Mar	29 Nov
118.	Chiffchaff/Willow Warbler	0	0	0	10	1	0	0	0	0	0	0	0	11	0	11	4 ( 8 Apr)	4	6	8 Apr	5 May
119.	Sedge Warbler	0	0	0	0	0	0	0	1	0	0	0	0	1	1	0	1 (24 Aug)	1	1	24 Aug	24 Aug
120.	Reed Warbler	0	0	0	0	0	0	0	0	2	0	0	0	2	2	0	1 (14 Sep)	1	2	14 Sep	29 Sep
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
121.	Marsh Warbler	0	0	0	0	2	0	0	0	0	0	0	0	2	0	2	2 (26 May)	1	1	26 May	26 May
122.	Savi's Warbler	0	0	0	0	0	1	0	0	0	0	0	0	1	1	0	1 (29 Jun)	1	1	29 Jun	29 Jun
123.	Blackcap	0	0	0	3	1	0	0	0	1	0	0	0	5	1	4	1 (10 Apr)	3	5	10 Apr	12 Sep
124.	Garden Warbler	0	0	0	1	0	0	0	0	1	0	0	0	2	1	1	1 (17 Apr)	1	2	17 Apr	15 Sep
125.	Whitethroat	0	0	0	0	0	0	0	1	0	0	0	0	1	1	0	1 (17 Aug)	1	1	17 Aug	17 Aug
126.	Firecrest	0	0	0	0	0	0	0	0	2	10	7	0	19	19	0	5 ( 8 Nov)	7	10	20 Sep	8 Nov
127.	Goldcrest	0	0	0	0	0	0	0	0	6	334	70	0	410	405	5	103 (18 Oct)	18	26	12 Sep	29 Nov
128.	Wren	0	0	0	0	0	0	0	1	6	0	0	0	7	7	0	2 (14 Sep)	3	5	29 Aug	29 Sep
129.	Starling	5	35	531	140	172	793	2147	723	592	14917	11911	62	32028	31095	933	5170 (10 Nov)	85	122	30 Jan	17 Dec
130.	Song Thrush	0	0	9	29	1	0	0	1	573	972	56	0	1641	1559	82	300 (13 Oct)	31	44	3 Mar	29 Nov
131.	Mistle Thrush	0	0	2	0	1	0	0	0	0	35	2	0	40	37	3	12 (11 Oct)	8	11	12 Mar	3 Nov
132.	Redwing	0	0	546	38	0	0	0	0	222	32826	6398	9	40039	38984	1055	10000 (13 Oct)	26	38	12 Mar	17 Dec
133.	Blackbird	0	1	3	6	0	0	0	0	1	167	298	1	477	459	18	148 ( 9 Nov)	22	32	15 Feb	8 Dec
134.	Fieldfare	2	28	430	404	0	0	0	0	0	4412	3861	98	9235	8208	1027	2000 (13 Oct)	31	45	30 Jan	17 Dec
135.	Ring Ouzel	0	0	0	19	0	0	0	0	0	1	0	0	20	1	19	7 ( 9 Apr)	4	6	7 Apr	27 Oct
136.	Spotted Flycatcher	0	0	0	0	1	0	0	0	0	0	0	0	1	0	1	1 (25 May)	1	1	25 May	25 May
137.	Pied Flycatcher	0	0	0	0	0	0	0	0	2	0	0	0	2	2	0	2 (19 Sep)	1	1	19 Sep	19 Sep
138.	Black Redstart	0	0	0	0	0	0	0	0	0	1	0	0	1	1	0	1 ( 3 Oct)	1	1	3 Oct	3 Oct
139.	Redstart	0	0	0	1	0	0	0	0	2	0	0	0	3	2	1	2 (19 Sep)	1	2	22 Apr	19 Sep
140.	Whinchat	0	0	0	0	0	0	0	0	1	1	0	0	2	2	0	1 (14 Sep)	1	2	14 Sep	2 Oct
141.	Stonechat	0	0	0	0	0	0	0	0	0	2	0	0	2	2	0	1 (12 Oct)	1	2	12 Oct	31 Oct
142.	Wheatear	0	0	0	1	0	0	0	0	0	0	0	0	1	0	1	1 (18 Apr)	1	1	18 Apr	18 Apr
143.	Tree Sparrow	0	0	0	0	0	0	0	1	0	73	0	0	74	74	0	21 ( 7 Oct)	7	10	31 Aug	29 Oct
144.	House Sparrow	0	0	0	0	0	0	0	0	1	0	0	0	1	1	0	1 (29 Sep)	1	1	29 Sep	29 Sep
145.	Dunnock	0	0	0	0	0	0	0	0	12	29	6	0	47	47	0	7 (12 Oct)	15	22	5 Sep	10 Nov
146.	Blue-headed Wagtail	0	0	1	100	4	1	1	44	14	6	0	0	171	65	106	28 (20 Apr)	26	38	27 Mar	10 Oct
147.	Grey Wagtail	0	2	0	2	0	0	1	1	1	16	4	0	27	23	4	6 (12 Oct)	11	16	29 Feb	17 Nov
148.	White Wagtail	0	1	130	29	2	1	0	16	78	207	11	2	477	311	166	46 (10 Oct)	51	74	28 Feb	8 Dec
149.	alba wagtail sp.	0	0	0	1	0	0	0	0	0	0	0	0	1	0	1	1 ( 7 Apr)	1	1	7 Apr	7 Apr
150.	Pied Wagtail	0	0	1	0	0	0	0	0	0	0	0	0	1	0	1	1 (26 Mar)	1	1	26 Mar	26 Mar
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
151.	Richard's Pipit	0	0	0	0	0	0	0	0	0	1	1	0	2	2	0	1 ( 7 Oct)	1	2	7 Oct	7 Nov
152.	Meadow Pipit	0	3	74	3573	16	0	1	2	295	2196	102	4	6266	2600	3666	1714 (11 Apr)	56	80	3 Feb	8 Dec
153.	Tree Pipit	0	0	0	2	0	0	0	6	15	6	0	0	29	27	2	8 (29 Sep)	10	14	7 Apr	6 Oct
154.	Water Pipit	0	7	5	0	0	0	0	0	0	5	8	2	27	15	12	4 (29 Feb)	13	18	3 Feb	8 Dec
155.	Chaffinch	7	25	315	71	1	1	3	16	1143	14323	1890	19	17814	17383	431	5183 (10 Oct)	62	89	30 Jan	17 Dec
156.	Brambling	0	0	0	0	0	0	0	0	10	97	95	3	205	203	2	57 ( 3 Nov)	16	23	27 Sep	5 Dec
157.	Chaffinch/Brambling	0	0	0	0	0	0	0	0	0	7889	14	0	7903	7903	0	4297 (31 Oct)	4	6	26 Oct	3 Nov
158.	Hawfinch	0	0	3	4	0	0	1	0	2	8	0	0	18	11	7	3 (31 Oct)	9	13	23 Mar	31 Oct
159.	Bullfinch	0	0	0	0	0	0	0	0	0	1	0	0	1	1	0	1 (26 Oct)	1	1	26 Oct	26 Oct
160.	Greenfinch	8	5	14	32	0	5	0	4	26	55	15	3	167	108	59	12 ( 2 Apr)	33	47	30 Jan	8 Dec
161.	Linnet	0	30	198	167	0	0	0	18	125	157	31	34	760	365	395	65 (25 Mar)	44	63	15 Feb	8 Dec
162.	Lesser Redpoll	0	0	0	0	0	0	0	0	0	0	2	0	2	2	0	2 ( 7 Nov)	1	1	7 Nov	7 Nov
163.	redpoll sp.	0	0	0	0	0	0	0	0	2	16	8	1	27	26	1	5 (15 Oct)	9	13	26 Sep	8 Dec
164.	Crossbill	0	0	0	0	2	0	0	0	0	0	0	0	2	0	2	2 ( 5 May)	1	1	5 May	5 May
165.	Goldfinch	0	0	22	10	0	1	0	18	21	83	20	0	175	143	32	41 (10 Oct)	23	33	23 Mar	10 Nov
166.	Serin	0	0	0	1	0	0	0	0	0	0	0	0	1	0	1	1 (11 Apr)	1	1	11 Apr	11 Apr
167.	Siskin	0	0	6	0	0	0	0	0	82	652	44	0	784	701	83	123 (10 Oct)	24	35	21 Mar	10 Nov
168.	Lapland Bunting	0	0	0	0	0	0	0	0	0	1	0	0	1	1	0	1 ( 7 Oct)	1	1	7 Oct	7 Oct
169.	Snow Bunting	0	0	1	0	0	0	0	0	0	0	0	0	1	0	1	1 (27 Mar)	1	1	27 Mar	27 Mar
170.	Yellowhammer	0	0	0	0	0	0	0	0	0	2	0	0	2	2	0	1 (14 Oct)	1	2	14 Oct	18 Oct
171.	Reed Bunting	0	25	81	62	0	0	0	3	202	136	38	1	548	380	168	53 (29 Sep)	51	74	3 Feb	17 Dec
	Other species
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Brimstone	0	0	0	0	0	0	0	1	0	0	0	0	1	1	0	1 (15 Aug)	1	1	15 Aug	15 Aug
2.	European Peacock	0	0	0	13	0	2	1	2	20	2	0	0	40	26	14	4 ( 9 Apr)	13	18	6 Apr	10 Oct
3.	Speckled Wood	0	0	0	0	0	0	0	0	3	0	0	0	3	3	0	3 (29 Sep)	1	1	29 Sep	29 Sep
4.	Large White	0	0	0	0	0	0	2	14	0	0	0	0	16	16	0	10 (15 Aug)	2	3	30 Jul	15 Aug
5.	Small White	0	0	0	0	1	10	0	24	78	1	0	0	114	111	3	19 (17 Sep)	13	18	30 May	10 Oct
6.	Red Admiral	0	0	0	0	0	0	0	11	5	1	4	0	21	21	0	3 (15 Aug)	10	14	15 Aug	9 Nov
	Other species
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Darter unknown	0	0	0	0	0	0	0	0	0	0	1	0	1	1	0	1 ( 7 Nov)	1	1	7 Nov	7 Nov
2.	Migrant Hawker	0	0	0	0	0	0	0	0	0	1	0	0	1	1	0	1 (31 Oct)	1	1	31 Oct	31 Oct
	Other species
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Bumblebee sp.	0	0	0	0	0	0	0	0	0	0	2	0	2	2	0	2 ( 7 Nov)	1	1	7 Nov	7 Nov
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
	Totals	1634	7073	16566	25000	7437	74044	11605	18157	8508	110657	48548	746	329975	272885	57090		100	144
	Observation hours	8:55	31:19	54:03	89:30	29:50	26:23	28:52	50:37	72:34	99:28	50:56	9:33	552:00

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Trektellen

Totals Dordtse Biesbosch 2020