Totals De Gorzen (Ridderkerk) 2022

Year
Period
count-field
Also present

	Species	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Canada Goose	0	26	0	0	0	0	0	0	26	0	52	26	26	25 (21 Oct)	6	4	4 Mar	21 Oct
2.	Barnacle Goose	119	369	5336	2433	0	0	11	0	216	14	8498	231	8267	1979 (5 May)	55	37	28 Feb	5 Nov
3.	Greylag Goose	0	73	126	66	0	0	21	38	477	3	804	537	267	109 (20 Oct)	57	38	1 Mar	5 Nov
4.	goose sp.	0	30	0	0	0	0	0	0	0	0	30	0	30	30 (23 Mar)	1	1	23 Mar	23 Mar
5.	Pink-footed Goose	0	0	0	0	0	0	0	0	2	0	2	2	0	2 (12 Oct)	1	1	12 Oct	12 Oct
6.	Tundra Bean Goose	0	7	0	0	0	0	0	0	48	0	55	45	10	26 (19 Oct)	9	6	1 Mar	20 Oct
7.	Eurasian White-fronted Goose	297	749	0	0	0	0	0	0	1105	7	2158	1020	1138	316 (12 Oct)	36	24	28 Feb	5 Nov
8.	Mute Swan	0	11	3	1	0	0	0	0	1	0	16	1	15	6 (4 Mar)	10	7	2 Mar	22 Oct
9.	Egyptian Goose	1	13	57	25	0	0	0	9	6	0	111	6	105	30 (22 Apr)	15	10	28 Feb	22 Oct
10.	Shelduck	4	0	14	9	0	0	0	0	0	0	27	0	27	9 (27 Apr)	10	7	28 Feb	5 May
11.	Ruddy Shelduck	0	0	1	0	0	0	3	16	0	0	20	19	1	9 (2 Sep)	7	5	23 Apr	10 Sep
12.	Garganey	0	0	0	0	0	0	0	1	0	0	1	1	0	1 (3 Sep)	1	1	3 Sep	3 Sep
13.	Shoveler	0	6	9	6	0	0	4	27	147	0	199	179	20	40 (10 Oct)	33	22	26 Mar	29 Oct
14.	Gadwall	0	5	10	19	0	0	0	10	49	0	93	59	34	20 (22 Oct)	25	17	2 Mar	22 Oct
15.	Wigeon	155	412	4	0	0	0	3	46	396	4	1020	449	571	193 (10 Mar)	33	22	28 Feb	5 Nov
16.	Mallard	0	4	0	9	0	0	0	0	7	0	20	7	13	5 (5 May)	10	7	1 Mar	20 Oct
17.	Pintail	0	4	4	0	0	0	0	8	114	0	130	122	8	47 (20 Oct)	19	13	5 Mar	31 Oct
18.	Teal	0	14	6	0	0	0	0	9	0	0	29	9	20	7 (1 Mar)	7	5	1 Mar	5 Sep
19.	duck sp.	0	33	0	0	0	0	0	0	0	0	33	0	33	33 (23 Mar)	1	1	23 Mar	23 Mar
20.	Pochard	0	1	0	2	0	0	0	0	1	0	4	1	3	1 (26 Mar)	6	4	26 Mar	31 Oct
21.	Tufted Duck	0	4	7	1	0	0	0	0	0	0	12	0	12	7 (27 Apr)	6	4	1 Mar	5 May
22.	Goosander	0	2	0	0	0	0	0	0	0	0	2	0	2	2 (23 Mar)	1	1	23 Mar	23 Mar
23.	Red-breasted Merganser	0	0	0	0	0	0	0	0	2	0	2	2	0	2 (1 Oct)	1	1	1 Oct	1 Oct
24.	Swift	0	0	167	238	0	0	3	0	0	0	408	3	405	159 (2 May)	15	10	23 Apr	15 Aug
25.	Cuckoo	0	0	1	5	0	0	0	1	0	0	7	1	6	3 (5 May)	7	5	28 Apr	3 Sep
26.	Stock Dove	3	8	12	0	0	0	5	5	679	12	724	701	23	334 (22 Oct)	45	30	28 Feb	5 Nov
27.	Woodpigeon	9	48	39	5	0	0	1	35	2280	159	2576	2475	101	520 (22 Oct)	57	38	28 Feb	5 Nov
28.	Collared Dove	0	3	2	0	0	0	0	1	3	0	9	4	5	2 (10 Mar)	12	8	10 Mar	21 Oct
29.	Great Crested Grebe	0	4	0	1	0	0	0	3	0	0	8	3	5	4 (23 Mar)	4	3	23 Mar	2 Sep
30.	Oystercatcher	0	4	7	28	0	0	0	0	0	0	39	0	39	16 (2 May)	12	8	2 Mar	5 May
	Species	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
31.	Avocet	0	1	2	0	0	0	0	1	1	0	5	2	3	2 (22 Apr)	6	4	23 Mar	20 Oct
32.	Grey Plover	0	0	0	2	0	0	0	0	2	0	4	2	2	1 (5 May)	6	4	5 May	20 Oct
33.	Golden Plover	0	0	9	0	0	0	8	2	100	1	120	109	11	75 (22 Oct)	13	9	12 Apr	5 Nov
34.	Ringed Plover	0	0	7	8	0	0	4	13	3	1	36	21	15	8 (7 May)	16	11	12 Apr	5 Nov
35.	Little Ringed Plover	0	2	9	1	0	0	0	0	0	0	12	0	12	5 (12 Apr)	10	7	21 Mar	2 May
36.	Lapwing	152	238	10	6	0	0	0	0	638	0	1044	638	406	293 (20 Oct)	31	21	28 Feb	31 Oct
37.	Whimbrel	0	0	534	28	0	0	2	0	0	0	564	3	561	135 (27 Apr)	31	21	11 Apr	24 Aug
38.	Curlew	0	2	4	1	0	0	0	3	2	1	13	5	8	1 (2 Mar)	19	13	2 Mar	5 Nov
39.	Black-tailed Godwit	35	99	108	1	0	0	1	2	0	0	246	3	243	53 (8 Apr)	27	18	28 Feb	3 Sep
40.	Woodcock	0	1	0	0	0	0	0	0	0	0	1	0	1	1 (23 Mar)	1	1	23 Mar	23 Mar
41.	Snipe	12	22	8	0	0	0	0	26	171	1	240	198	42	35 (20 Oct)	36	24	28 Feb	5 Nov
42.	Common Sandpiper	0	0	0	0	0	0	0	0	1	0	1	1	0	1 (1 Oct)	1	1	1 Oct	1 Oct
43.	Green Sandpiper	0	1	44	3	0	0	2	1	3	0	54	6	48	15 (23 Apr)	25	17	26 Mar	15 Oct
44.	Wood Sandpiper	0	0	30	1	0	0	0	0	0	0	31	0	31	27 (23 Apr)	6	4	23 Apr	5 May
45.	Redshank	0	4	13	5	0	0	0	0	0	0	22	0	22	6 (23 Apr)	12	8	1 Mar	5 May
46.	Spotted Redshank	0	0	10	1	0	0	0	1	2	2	16	5	11	5 (27 Apr)	10	7	23 Apr	5 Nov
47.	Greenshank	0	0	30	3	0	0	0	2	0	0	35	2	33	14 (23 Apr)	15	10	16 Apr	5 Sep
48.	Ruff	0	19	21	0	0	0	0	0	3	0	43	3	40	19 (26 Mar)	9	6	26 Mar	19 Oct
49.	wader sp.	0	47	7	0	0	0	0	0	0	0	54	0	54	47 (23 Mar)	4	3	23 Mar	28 Apr
50.	Temminck's Stint	0	0	6	4	0	0	0	0	0	0	10	0	10	3 (3 May)	9	6	18 Apr	4 May
51.	Dunlin	0	0	2	0	0	0	0	3	3	0	8	6	2	2 (8 Apr)	9	6	8 Apr	20 Oct
52.	Little Stint	0	0	0	0	0	0	0	0	2	0	2	2	0	2 (8 Oct)	1	1	8 Oct	8 Oct
53.	Calidris sp.	0	0	2	0	0	0	0	0	0	0	2	2	0	2 (20 Apr)	1	1	20 Apr	20 Apr
54.	Caspian Tern	0	0	0	0	0	0	2	2	0	0	4	4	0	2 (27 Aug)	3	2	27 Aug	10 Sep
55.	Black Tern	0	0	15	41	0	0	0	0	0	0	56	0	56	21 (5 May)	9	6	12 Apr	5 May
56.	Common Tern	0	0	74	22	0	0	0	0	0	0	96	0	96	18 (2 May)	21	14	11 Apr	3 May
57.	Little Gull	0	0	8	0	0	0	0	0	11	0	19	0	19	11 (20 Oct)	3	2	27 Apr	20 Oct
58.	Black-headed Gull	150	1208	3055	287	0	0	0	0	28	0	4728	28	4700	1645 (8 Apr)	57	38	28 Feb	31 Oct
59.	Mediterranean Gull	0	7	334	35	0	0	0	0	0	0	376	20	356	87 (14 Apr)	36	24	4 Mar	7 May
60.	Common Gull	0	16	56	14	0	0	0	0	2	0	88	2	86	53 (8 Apr)	16	11	5 Mar	1 Oct
	Species	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
61.	Caspian Gull	0	1	0	2	0	0	0	0	0	0	3	0	3	1 (1 Mar)	4	3	1 Mar	5 May
62.	Herring Gull	0	10	10	10	0	0	0	3	0	0	33	3	30	5 (8 Apr)	19	13	1 Mar	2 Sep
63.	Yellow-legged Gull	0	1	0	1	0	0	0	0	0	0	2	0	2	1 (1 Mar)	3	2	1 Mar	4 May
64.	Great Black-backed Gull	0	2	0	0	0	0	0	0	0	0	2	0	2	1 (1 Mar)	3	2	1 Mar	24 Mar
65.	Lesser Black-backed Gull	0	61	111	59	0	0	0	0	0	0	231	0	231	36 (5 May)	40	27	1 Mar	7 May
66.	Black Stork	0	0	1	0	0	0	0	0	0	0	1	1	0	1 (23 Apr)	1	1	23 Apr	23 Apr
67.	White Stork	0	20	6	1	0	0	0	9	0	0	36	9	27	12 (24 Mar)	12	8	4 Mar	10 Sep
68.	Cormorant	36	229	611	23	0	0	22	87	2170	424	3602	2701	901	424 (5 Nov)	78	52	28 Feb	5 Nov
69.	Spoonbill	3	11	102	26	0	0	12	51	31	0	236	98	138	25 (2 Sep)	54	36	28 Feb	26 Oct
70.	Night Heron	0	0	0	0	0	0	0	1	0	0	1	0	1	1 (3 Sep)	1	1	3 Sep	3 Sep
71.	Little Egret	0	0	0	0	0	0	0	3	2	0	5	3	2	2 (20 Sep)	6	4	3 Sep	29 Oct
72.	Cattle Egret	0	0	20	0	0	0	0	0	6	0	26	21	5	20 (20 Apr)	3	2	20 Apr	12 Oct
73.	Great White Egret	5	2	61	3	0	0	10	15	57	1	154	70	84	45 (12 Apr)	49	33	28 Feb	5 Nov
74.	heron sp.	0	0	0	0	0	0	0	0	1	0	1	1	0	1 (12 Oct)	1	1	12 Oct	12 Oct
75.	Grey Heron	0	7	55	13	0	0	14	18	9	0	116	39	77	12 (27 Apr)	49	33	10 Mar	20 Oct
76.	Purple Heron	0	0	50	14	0	0	299	122	1	0	486	423	63	111 (27 Aug)	40	27	8 Apr	4 Oct
77.	Osprey	0	0	5	0	0	0	0	5	1	0	11	6	5	2 (12 Apr)	12	8	12 Apr	12 Oct
78.	Honey Buzzard	0	0	0	0	0	0	0	8	0	0	8	7	1	4 (3 Sep)	4	3	3 Sep	10 Sep
79.	Sparrowhawk	1	5	30	1	0	0	0	2	25	0	64	27	37	12 (11 Apr)	28	19	28 Feb	31 Oct
80.	Marsh Harrier	0	6	79	9	0	0	8	41	11	0	154	60	94	36 (10 Sep)	46	31	10 Mar	31 Oct
81.	Hen Harrier	0	1	3	0	0	0	0	0	5	0	9	5	4	3 (20 Oct)	9	6	21 Mar	22 Oct
82.	Pallid Harrier	0	0	1	0	0	0	0	0	0	0	1	0	1	1 (18 Apr)	1	1	18 Apr	18 Apr
83.	Montagu's Harrier	0	0	0	0	0	0	0	1	0	0	1	1	0	1 (1 Sep)	1	1	1 Sep	1 Sep
84.	harrier sp.	0	0	1	0	0	0	0	0	0	0	1	0	1	1 (11 Apr)	1	1	11 Apr	11 Apr
85.	Hen/Montagu's/Pallid Harrier	0	0	1	0	0	0	0	0	0	0	1	0	1	1 (18 Apr)	1	1	18 Apr	18 Apr
86.	Red Kite	1	0	1	0	0	0	0	0	0	0	2	0	2	1 (28 Feb)	3	2	28 Feb	12 Apr
87.	Black Kite	0	0	2	0	0	0	0	0	0	0	2	0	2	1 (12 Apr)	3	2	12 Apr	18 Apr
88.	White-tailed Eagle	1	1	2	0	0	0	0	0	0	0	4	3	1	1 (28 Feb)	6	4	28 Feb	12 Apr
89.	Common Buzzard	4	13	8	0	0	0	0	1	9	0	35	10	25	8 (24 Mar)	22	15	28 Feb	22 Oct
90.	Buzzard/Honey Buzzard	0	0	0	0	0	0	0	1	0	0	1	1	0	1 (3 Sep)	1	1	3 Sep	3 Sep
	Species	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
91.	Great Spotted Woodpecker	0	0	0	0	0	0	0	0	4	0	4	4	0	3 (1 Oct)	3	2	1 Oct	12 Oct
92.	Green Woodpecker	0	0	1	0	0	0	0	0	1	0	2	1	1	1 (14 Apr)	3	2	14 Apr	15 Oct
93.	Kestrel	0	1	8	1	0	0	0	1	0	0	11	0	11	6 (12 Apr)	9	6	24 Mar	3 Sep
94.	falcon sp.	0	1	0	0	0	0	0	0	0	0	1	0	1	1 (2 Mar)	1	1	2 Mar	2 Mar
95.	Red-footed Falcon	0	0	0	0	0	0	0	1	0	0	1	0	1	1 (10 Sep)	1	1	10 Sep	10 Sep
96.	Merlin	0	0	13	0	0	0	0	0	5	0	18	6	12	6 (12 Apr)	16	11	11 Apr	20 Oct
97.	Hobby	0	0	3	1	0	0	4	3	3	0	14	9	5	2 (27 Aug)	18	12	23 Apr	21 Oct
98.	Peregrine	0	1	0	0	0	0	0	0	2	0	3	2	1	1 (13 Mar)	4	3	13 Mar	22 Oct
99.	Rose-ringed Parakeet	0	0	1	6	0	0	0	0	3	0	10	2	8	6 (3 May)	6	4	28 Apr	22 Oct
100.	Jay	0	1	6	8	0	0	0	0	7	0	22	7	15	3 (2 May)	18	12	21 Mar	22 Oct
101.	Magpie	0	6	0	1	0	0	0	0	8	0	15	8	7	4 (4 Mar)	12	8	4 Mar	22 Oct
102.	Jackdaw	32	114	51	60	0	0	1	0	648	27	933	676	257	244 (19 Oct)	45	30	28 Feb	5 Nov
103.	Rook	0	1	8	1	0	0	1	0	38	3	52	38	14	9 (22 Oct)	24	16	10 Mar	5 Nov
104.	Carrion Crow	0	3	14	2	0	0	0	0	18	0	37	18	19	8 (8 Apr)	21	14	10 Mar	31 Oct
105.	Blue Tit	359	105	0	0	0	0	5	4	12	3	488	24	464	359 (28 Feb)	19	13	28 Feb	5 Nov
106.	Bearded Tit	0	1	0	0	0	0	0	0	0	0	1	0	1	1 (10 Mar)	1	1	10 Mar	10 Mar
107.	Wood Lark	1	7	0	0	0	0	0	0	36	0	44	36	8	12 (18 Oct)	16	11	28 Feb	19 Oct
108.	Skylark	0	148	0	1	0	0	0	0	5735	20	5904	5754	150	3662 (20 Oct)	31	21	2 Mar	5 Nov
109.	Sand Martin	0	0	92	17	0	0	2	0	2	0	113	4	109	24 (11 Apr)	30	20	11 Apr	1 Oct
110.	Swallow	0	0	404	413	0	0	53	75	117	0	1062	245	817	284 (2 May)	48	32	8 Apr	10 Oct
111.	House Martin	0	0	15	17	0	0	4	4	1	0	41	9	32	9 (2 May)	22	15	11 Apr	1 Oct
112.	Willow Warbler	0	0	1	0	0	0	0	0	0	0	1	0	1	1 (11 Apr)	1	1	11 Apr	11 Apr
113.	Chiffchaff	0	0	1	0	0	0	0	3	0	0	4	3	1	1 (15 Apr)	6	4	15 Apr	5 Sep
114.	Reed Warbler	0	0	0	0	0	0	0	1	0	0	1	1	0	1 (13 Sep)	1	1	13 Sep	13 Sep
115.	Starling	49	1663	38	2	0	0	2	35	6701	402	8892	7107	1785	1853 (31 Oct)	66	44	28 Feb	5 Nov
116.	Song Thrush	0	0	52	0	0	0	0	0	3326	0	3378	3326	52	1748 (1 Oct)	28	19	11 Apr	29 Oct
117.	Mistle Thrush	1	1	3	0	0	0	0	0	8	0	13	8	5	4 (20 Oct)	13	9	28 Feb	31 Oct
118.	Redwing	0	249	59	0	0	0	0	0	9053	0	9361	9053	308	6144 (20 Oct)	30	20	2 Mar	31 Oct
119.	Blackbird	0	0	0	1	0	0	0	0	24	0	25	24	1	9 (22 Oct)	10	7	4 May	22 Oct
120.	Fieldfare	6	31	75	0	0	0	0	0	428	7	547	435	112	339 (20 Oct)	25	17	28 Feb	5 Nov
	Species	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
121.	Ring Ouzel	0	0	9	0	0	0	0	0	18	0	27	18	9	16 (1 Oct)	7	5	11 Apr	22 Oct
122.	thrush sp.	0	1	0	0	0	0	0	0	0	0	1	0	1	1 (2 Mar)	1	1	2 Mar	2 Mar
123.	Whinchat	0	0	0	0	0	0	0	1	0	0	1	1	0	1 (3 Sep)	1	1	3 Sep	3 Sep
124.	Tree Sparrow	0	0	0	0	0	0	0	3	60	0	63	60	3	25 (8 Oct)	12	8	13 Sep	22 Oct
125.	Dunnock	0	0	0	0	0	0	0	0	9	0	9	9	0	6 (9 Oct)	6	4	9 Oct	22 Oct
126.	Blue-headed Wagtail	0	0	67	30	0	0	0	1	0	0	98	1	97	21 (23 Apr)	16	11	8 Apr	3 Sep
127.	Yellow Wagtail (flavissima)	0	0	0	1	0	0	0	0	0	0	1	0	1	1 (4 May)	1	1	4 May	4 May
128.	Grey-headed Wagtail	0	0	0	27	0	0	0	0	0	0	27	0	27	12 (4 May)	6	4	2 May	5 May
129.	Yellow wagtail sp.	0	0	137	43	0	0	37	13	0	0	230	50	180	28 (15 Aug)	34	23	11 Apr	5 Sep
130.	Grey Wagtail	0	0	0	0	0	0	0	0	38	0	38	36	2	8 (10 Oct)	16	11	1 Oct	29 Oct
131.	White Wagtail	4	22	15	7	0	0	0	0	4	0	52	4	48	13 (24 Mar)	24	16	28 Feb	26 Oct
132.	alba wagtail sp.	0	82	29	3	0	0	4	3	124	1	246	131	115	27 (8 Oct)	51	34	2 Mar	5 Nov
133.	Motacilla (wagtail) sp.	0	0	0	0	0	0	0	0	1	0	1	1	0	1 (22 Oct)	1	1	22 Oct	22 Oct
134.	Meadow Pipit	4	80	10338	44	0	0	0	2	6128	9	16605	6139	10466	6176 (12 Apr)	70	47	28 Feb	5 Nov
135.	Tree Pipit	0	0	15	1	0	0	7	2	1	0	26	10	16	8 (12 Apr)	18	12	12 Apr	10 Oct
136.	Water Pipit	0	7	4	0	0	0	0	0	21	0	32	21	11	7 (20 Oct)	16	11	1 Mar	22 Oct
137.	Rock Pipit	0	0	0	0	0	0	0	0	4	0	4	4	0	2 (19 Oct)	4	3	1 Oct	20 Oct
138.	Rock Pipit/Water Pipit	0	5	3	0	0	0	0	0	7	0	15	7	8	3 (4 Mar)	10	7	4 Mar	20 Oct
139.	Chaffinch	60	813	9	4	0	0	0	1	11773	645	13305	12419	886	3424 (22 Oct)	54	36	28 Feb	5 Nov
140.	Brambling	0	1	2	0	0	0	0	0	46	0	49	47	2	14 (21 Oct)	15	10	2 Mar	31 Oct
141.	Hawfinch	0	0	0	0	0	0	0	0	6	0	6	6	0	6 (10 Oct)	1	1	10 Oct	10 Oct
142.	Greenfinch	1	8	2	0	0	0	0	0	31	0	42	32	10	9 (9 Oct)	18	12	28 Feb	31 Oct
143.	Linnet	1	119	155	10	0	0	0	2	281	1	569	283	286	175 (9 Oct)	54	36	28 Feb	5 Nov
144.	Redpoll	0	0	0	0	0	0	0	0	4	2	6	2	4	3 (20 Oct)	4	3	9 Oct	5 Nov
145.	Goldfinch	0	7	28	8	0	0	0	0	8	0	51	8	43	16 (11 Apr)	25	17	4 Mar	26 Oct
146.	Siskin	0	5	2	0	0	0	0	0	214	1	222	216	6	53 (31 Oct)	30	20	4 Mar	5 Nov
147.	Reed Bunting	2	31	2	0	0	0	0	3	229	3	270	235	35	79 (20 Oct)	37	25	28 Feb	5 Nov
148.	passerine sp.	0	0	1	0	0	0	0	0	0	0	1	0	1	1 (14 Apr)	1	1	14 Apr	14 Apr
	Other species
	Species	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Grey seal	0	0	0	0	0	0	0	0	1	0	1	0	1	1 (8 Oct)	1	1	8 Oct	8 Oct
	Other species
	Species	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Small Tortoiseshell	0	1	2	0	0	0	0	0	0	0	3	0	3	1 (24 Mar)	4	3	24 Mar	18 Apr
2.	Dark Clouded Yellow	0	0	0	0	0	0	0	1	0	0	1	1	0	1 (10 Sep)	1	1	10 Sep	10 Sep
3.	European Peacock	0	2	2	0	0	0	0	0	2	0	6	2	4	2 (24 Mar)	4	3	24 Mar	18 Oct
4.	white sp. (butterfly)	0	0	1	0	0	0	0	0	2	0	3	2	1	1 (18 Apr)	4	3	18 Apr	18 Oct
5.	Red Admiral	0	0	0	0	0	0	0	3	2	0	5	5	0	3 (3 Sep)	4	3	3 Sep	12 Oct
	Other species
	Species	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Dragonfly unknown	0	0	0	0	0	0	0	1	0	0	1	1	0	1 (3 Sep)	1	1	3 Sep	3 Sep
	Other species
	Species	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Bumblebee sp.	0	3	0	0	0	0	0	4	0	0	7	4	3	4 (3 Sep)	4	3	10 Mar	3 Sep
	Species	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
	Totals	1508	7387	23031	4182	0	0	555	800	54053	1754	93270	57009	36261		100	67
	Observation hours	5:30	25:39	89:35	23:20	0:00	0:00	28:41	32:37	52:23	2:31	260:16

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Totals De Gorzen (Ridderkerk) 2022