Select until 23 March

Totals De Gorzen (Ridderkerk) 2017 - 2026

	Species	2017	2018	2019	2020	2021	2022	2023	2024	2025	2026	Totals	Average	Present	Year Maximum
1.	Dark-bellied Brent Goose	0	0	0	0	0	0	7	0	0	0	7	0.7	0	7 (2023)
2.	Canada Goose	2	0	99	8	115	52	9	16	51	0	352	35	0	115 (2021)
3.	Barnacle Goose	3807	1386	2403	13566	19570	8498	1834	10466	4310	12	65852	6585	0	19570 (2021)
4.	Lesser Canada Goose	0	0	0	0	0	0	0	2	1	0	3	0.3	0	2 (2024)
5.	Greylag Goose	519	1015	1190	1203	989	804	223	794	489	0	7226	723	0	1203 (2020)
6.	goose sp.	0	0	0	128	0	30	0	0	0	0	158	16	0	128 (2020)
7.	Domestic Goose	0	0	1	0	0	0	0	0	1	0	2	0.2	0	1 (2019)
8.	Pink-footed Goose	0	0	1	12	7	2	62	0	72	0	156	16	0	72 (2025)
9.	Tundra Bean Goose	8	38	97	191	1338	55	116	1484	177	0	3504	350	0	1484 (2024)
10.	Eurasian White-fronted Goose	1059	760	2159	5649	3701	2158	688	4024	1935	0	22133	2213	0	5649 (2020)
11.	Lesser White-fronted Goose	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2024)
12.	Black Swan	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2021)
13.	Mute Swan	13	24	34	91	138	16	21	45	62	0	444	44	0	138 (2021)
14.	Bewick's Swan	7	20	0	0	59	0	2	1	0	0	89	8.9	0	59 (2021)
15.	Whooper Swan	0	0	0	6	0	0	0	0	0	0	6	0.6	0	6 (2020)
16.	Egyptian Goose	11	35	40	61	76	111	68	53	88	0	543	54	0	111 (2022)
17.	Shelduck	50	28	70	131	117	27	66	92	131	7	719	72	0	131 (2020)
18.	Ruddy Shelduck	2	1	0	17	5	20	1	8	0	0	54	5.4	0	20 (2022)
19.	Garganey	0	0	0	2	0	1	0	0	3	0	6	0.6	0	3 (2025)
20.	Shoveler	149	1188	1317	625	628	199	117	350	275	9	4857	486	0	1317 (2019)
21.	Gadwall	107	308	471	191	480	93	50	120	131	0	1951	195	0	480 (2021)
22.	Wigeon	1414	868	860	1277	2173	1020	383	2777	1416	0	12188	1219	0	2777 (2024)
23.	Mallard	39	75	111	42	70	20	3	19	20	0	399	40	0	111 (2019)
24.	Pintail	143	22	44	208	75	130	60	91	58	0	831	83	0	208 (2020)
25.	Teal	9	47	77	24	33	29	4	11	16	0	250	25	0	77 (2019)
26.	duck sp.	0	0	0	0	12	33	0	11	0	0	56	5.6	0	33 (2022)
27.	Pochard	0	18	13	13	10	4	3	23	8	0	92	9.2	0	23 (2024)
28.	Tufted Duck	4	4	26	42	9	12	4	29	17	0	147	15	0	42 (2020)
29.	Goldeneye	0	0	5	0	2	0	2	3	0	0	12	1.2	0	5 (2019)
30.	Smew	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2021)
31.	Goosander	3	0	5	8	15	2	5	7	6	0	51	5.1	0	15 (2021)
32.	Red-breasted Merganser	4	0	4	0	7	2	0	0	0	0	17	1.7	0	7 (2021)
33.	Swift	144	117	331	469	1207	408	414	529	496	0	4115	412	0	1207 (2021)
34.	Cuckoo	1	4	2	2	7	7	3	19	18	0	63	6.3	0	19 (2024)
35.	Swallow x House Martin (hybrid)	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2021)
36.	Stock Dove	235	326	881	1501	1092	724	132	1492	1341	2	7726	773	0	1501 (2020)
37.	Woodpigeon	2695	2551	3662	3467	2817	2576	602	5768	3494	5	27637	2764	0	5768 (2024)
38.	dove (Columba) sp.	2	0	0	0	0	0	0	0	0	0	2	0.2	0	2 (2017)
39.	Turtle Dove	0	0	0	0	0	0	0	1	1	0	2	0.2	0	1 (2024)
40.	Collared Dove	40	49	53	70	52	9	13	56	101	0	443	44	0	101 (2025)
41.	Moorhen	0	0	0	0	0	0	0	7	0	0	7	0.7	0	7 (2024)
42.	Coot	0	0	0	0	0	0	0	8	0	0	8	0.8	0	8 (2024)
43.	Crane	0	0	0	0	0	0	245	104	2	0	351	35	0	245 (2023)
44.	Little Grebe	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2024)
45.	Great Crested Grebe	0	4	17	5	9	8	4	9	3	0	59	5.9	0	17 (2019)
46.	Oystercatcher	4	14	9	19	15	39	22	39	22	0	183	18	0	39 (2022)
47.	Black-winged Stilt	0	1	0	0	0	0	3	0	0	0	4	0.4	0	3 (2023)
48.	Avocet	3	1	19	9	2	5	4	6	8	0	57	5.7	0	19 (2019)
49.	Grey Plover	11	4	1	0	8	4	6	2	9	0	45	4.5	0	11 (2017)
50.	Golden Plover	183	300	186	103	324	120	7	180	277	0	1680	168	0	324 (2021)
	Species	2017	2018	2019	2020	2021	2022	2023	2024	2025	2026	Totals	Average	Present	Year Maximum
51.	Dotterel	0	0	0	0	0	0	4	0	0	0	4	0.4	0	4 (2023)
52.	Ringed Plover	74	31	24	48	51	36	77	41	93	0	475	48	0	93 (2025)
53.	Little Ringed Plover	2	6	11	11	10	12	29	12	91	3	187	19	0	91 (2025)
54.	Lapwing	924	1199	1434	1854	1682	1044	419	2201	1314	0	12071	1207	0	2201 (2024)
55.	Whimbrel	80	173	135	621	1450	564	508	1234	627	0	5392	539	0	1450 (2021)
56.	Curlew	6	31	57	47	51	13	23	27	29	0	284	28	0	57 (2019)
57.	Numenius sp.	0	0	2	0	0	0	0	0	0	0	2	0.2	0	2 (2019)
58.	Bar-tailed Godwit	0	1	0	0	2	0	0	13	0	0	16	1.6	0	13 (2024)
59.	Black-tailed Godwit	132	101	184	1150	358	246	188	711	526	10	3606	361	0	1150 (2020)
60.	Icelandic Black-tailed Godwit	0	0	0	0	0	0	0	91	6	0	97	9.7	0	91 (2024)
61.	Jack Snipe	1	0	0	4	0	0	0	0	0	0	5	0.5	0	4 (2020)
62.	Woodcock	0	0	1	0	1	1	0	0	0	0	3	0.3	0	1 (2019)
63.	Snipe	464	140	464	360	304	240	215	309	239	0	2735	274	0	464 (2017)
64.	Common Sandpiper	0	0	8	5	3	1	17	10	17	0	61	6.1	0	17 (2023)
65.	Green Sandpiper	14	24	69	87	120	54	127	12	180	0	687	69	0	180 (2025)
66.	Marsh Sandpiper	0	0	0	0	0	0	0	0	1	0	1	0.1	0	1 (2025)
67.	Wood Sandpiper	10	5	12	26	33	31	14	0	63	0	194	19	0	63 (2025)
68.	Redshank	4	5	24	14	101	22	36	37	146	5	394	39	0	146 (2025)
69.	Spotted Redshank	13	3	2	6	17	16	15	7	17	0	96	9.6	0	17 (2021)
70.	Greenshank	52	18	26	89	69	35	157	35	97	0	578	58	0	157 (2023)
71.	Turnstone	2	0	2	0	0	0	0	0	2	0	6	0.6	0	2 (2017)
72.	Knot	0	0	0	0	2	0	0	1	0	0	3	0.3	0	2 (2021)
73.	Ruff	54	41	22	213	109	43	45	49	151	0	727	73	0	213 (2020)
74.	wader sp.	0	1	10	18	0	54	2	10	0	0	95	9.5	0	54 (2022)
75.	Curlew Sandpiper	0	0	0	4	0	0	1	0	0	0	5	0.5	0	4 (2020)
76.	Temminck's Stint	0	0	10	1	3	10	7	5	7	0	43	4.3	0	10 (2019)
77.	Sanderling	0	0	0	0	0	0	0	0	1	0	1	0.1	0	1 (2025)
78.	Dunlin	42	24	32	8	72	8	24	16	13	0	239	24	0	72 (2021)
79.	Little Stint	3	1	0	0	0	2	1	0	2	0	9	0.9	0	3 (2017)
80.	Calidris sp.	0	0	0	0	0	2	0	0	0	0	2	0.2	0	2 (2022)
81.	Little Tern	0	0	1	0	0	0	0	0	0	0	1	0.1	0	1 (2019)
82.	Caspian Tern	0	0	2	2	3	4	7	12	6	0	36	3.6	0	12 (2024)
83.	Whiskered Tern	0	0	0	1	0	0	0	1	0	0	2	0.2	0	1 (2020)
84.	Black Tern	8	3	16	36	39	56	70	119	79	0	426	43	0	119 (2024)
85.	White-winged Black Tern	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2021)
86.	Common Tern	20	25	127	185	129	96	266	148	164	0	1160	116	0	266 (2023)
87.	Little Gull	15	0	6	19	95	19	7	4	8	0	173	17	0	95 (2021)
88.	Sabine's Gull	0	0	0	0	0	0	1	0	0	0	1	0.1	0	1 (2023)
89.	Black-headed Gull	1017	4049	3438	5239	3402	4728	945	6747	1357	5	30927	3093	0	6747 (2024)
90.	Mediterranean Gull	101	106	137	388	485	376	435	504	470	1	3003	300	0	504 (2024)
91.	Common Gull	63	143	138	67	51	88	22	156	29	0	757	76	0	156 (2024)
92.	Caspian Gull	2	1	1	3	3	3	3	10	0	0	26	2.6	0	10 (2024)
93.	Herring Gull	12	53	73	73	36	33	7	50	16	0	353	35	0	73 (2019)
94.	Yellow-legged Gull	0	1	0	1	2	2	0	2	1	0	9	0.9	0	2 (2021)
95.	Great Black-backed Gull	31	24	27	13	4	2	1	3	1	0	106	11	0	31 (2017)
96.	Lesser Black-backed Gull	59	365	175	465	523	231	253	672	204	0	2947	295	0	672 (2024)
97.	Red-throated Diver	0	0	0	3	0	0	0	0	0	0	3	0.3	0	3 (2020)
98.	Black Stork	0	0	0	0	0	1	0	1	0	0	2	0.2	0	1 (2022)
99.	White Stork	9	23	61	13	156	36	50	61	107	0	516	52	0	156 (2021)
100.	Cormorant	2395	3154	3136	3929	3921	3602	2276	4215	3612	21	30261	3026	1	4215 (2024)
	Species	2017	2018	2019	2020	2021	2022	2023	2024	2025	2026	Totals	Average	Present	Year Maximum
101.	Spoonbill	141	57	230	283	388	236	214	324	315	3	2191	219	0	388 (2021)
102.	Bittern	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2020)
103.	Night Heron	0	0	0	0	0	1	0	0	0	0	1	0.1	0	1 (2022)
104.	Little Egret	2	8	10	7	18	5	1	13	10	0	74	7.4	0	18 (2021)
105.	Egretta sp.	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2024)
106.	Cattle Egret	3	0	1	1	7	26	0	5	14	0	57	5.7	0	26 (2022)
107.	Great White Egret	77	103	143	156	106	154	103	246	186	1	1275	128	0	246 (2024)
108.	heron sp.	0	15	0	10	16	1	18	1	0	0	61	6.1	0	18 (2023)
109.	Grey Heron	250	156	432	237	153	116	156	320	275	0	2095	210	0	432 (2019)
110.	Purple Heron	564	539	899	581	589	486	622	859	838	0	5977	598	0	899 (2019)
111.	Osprey	2	1	4	4	17	11	11	22	13	0	85	8.5	0	22 (2024)
112.	Honey Buzzard	2	0	0	0	15	8	2	35	2	0	64	6.4	0	35 (2024)
113.	Sparrowhawk	57	33	57	58	71	64	57	115	136	0	648	65	0	136 (2025)
114.	Goshawk	0	1	3	4	1	0	0	14	6	0	29	2.9	0	14 (2024)
115.	Marsh Harrier	43	31	121	167	190	154	138	223	334	0	1401	140	0	334 (2025)
116.	Hen Harrier	8	8	7	9	14	9	2	5	29	0	91	9.1	0	29 (2025)
117.	Pallid Harrier	0	1	3	2	2	1	1	3	0	0	13	1.3	0	3 (2019)
118.	Montagu's Harrier	0	0	1	1	1	1	1	1	0	0	6	0.6	0	1 (2019)
119.	harrier sp.	0	0	0	0	0	1	1	4	0	0	6	0.6	0	4 (2024)
120.	Montagu's/Pallid Harrier	0	0	1	0	0	0	0	1	0	0	2	0.2	0	1 (2019)
121.	Hen/Montagu's/Pallid Harrier	0	0	0	0	1	1	0	0	0	0	2	0.2	0	1 (2021)
122.	Red Kite	1	2	0	3	3	2	2	4	10	0	27	2.7	0	10 (2025)
123.	Black Kite	1	0	2	1	2	2	5	0	4	0	17	1.7	0	5 (2023)
124.	White-tailed Eagle	0	0	2	3	9	4	4	6	8	0	36	3.6	6	9 (2021)
125.	Common Buzzard	79	16	79	425	160	35	44	108	56	0	1002	100	0	425 (2020)
126.	Buzzard/Honey Buzzard	0	0	0	0	0	1	1	0	0	0	2	0.2	0	1 (2022)
127.	MediumRaptor	0	0	0	0	0	0	0	0	1	0	1	0.1	0	1 (2025)
128.	Short-eared Owl	1	2	1	1	2	0	0	1	1	0	9	0.9	0	2 (2018)
129.	owl sp.	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2024)
130.	Hoopoe	0	0	1	0	0	0	0	0	0	0	1	0.1	0	1 (2019)
131.	Great Spotted Woodpecker	17	7	22	19	11	4	12	7	11	0	110	11	0	22 (2019)
132.	Green Woodpecker	0	0	2	0	1	2	0	2	1	0	8	0.8	0	2 (2019)
133.	Kestrel	17	7	64	31	26	11	54	33	80	0	323	32	0	80 (2025)
134.	falcon sp.	0	0	0	0	2	1	0	2	1	0	6	0.6	0	2 (2021)
135.	Red-footed Falcon	0	0	0	0	0	1	0	0	0	0	1	0.1	0	1 (2022)
136.	Merlin	1	2	16	5	18	18	16	17	22	0	115	12	0	22 (2025)
137.	Hobby	1	2	7	7	21	14	5	21	11	0	89	8.9	0	21 (2021)
138.	Peregrine	2	2	9	8	9	3	5	9	5	0	52	5.2	0	9 (2019)
139.	Rose-ringed Parakeet	0	37	66	1	30	10	2	8	3	0	157	16	0	66 (2019)
140.	Golden Oriole	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2024)
141.	Jay	3	14	160	49	200	22	21	8	11	0	488	49	0	200 (2021)
142.	Magpie	31	62	50	16	43	15	13	26	17	0	273	27	0	62 (2018)
143.	Jackdaw	1005	661	497	1197	1743	933	352	1363	878	5	8634	863	0	1743 (2021)
144.	Rook	8	8	26	95	68	52	6	34	43	0	340	34	0	95 (2020)
145.	Carrion Crow	20	101	120	65	57	37	32	130	52	0	614	61	0	130 (2024)
146.	Hooded Crow	0	0	0	0	0	0	0	0	1	0	1	0.1	0	1 (2025)
147.	Raven	0	0	0	0	0	0	0	0	2	0	2	0.2	0	2 (2025)
148.	Coal Tit	0	1	0	0	12	0	0	0	12	0	25	2.5	0	12 (2021)
149.	Blue Tit	60	7	91	27	689	488	15	99	663	0	2139	214	0	689 (2021)
150.	Great Tit	11	5	0	1	1	0	0	8	38	0	64	6.4	0	38 (2025)
	Species	2017	2018	2019	2020	2021	2022	2023	2024	2025	2026	Totals	Average	Present	Year Maximum
151.	Penduline Tit	1	0	2	0	0	0	0	1	0	0	4	0.4	0	2 (2019)
152.	Bearded Tit	83	0	4	0	10	1	0	2	8	0	108	11	0	83 (2017)
153.	Wood Lark	25	47	3	4	21	44	26	88	42	0	300	30	0	88 (2024)
154.	Skylark	3611	5671	5468	1310	3432	5904	363	8205	3565	1	37530	3753	0	8205 (2024)
155.	Sand Martin	10	14	195	313	1262	113	742	236	764	0	3649	365	0	1262 (2021)
156.	Swallow	806	969	2320	1282	1232	1062	1013	906	1620	0	11210	1121	0	2320 (2019)
157.	House Martin	191	45	65	158	118	41	29	22	172	0	841	84	0	191 (2017)
158.	Long-tailed Tit	13	0	0	8	0	0	0	0	0	0	21	2.1	0	13 (2017)
159.	Willow Warbler	0	0	0	0	1	1	0	0	0	0	2	0.2	0	1 (2021)
160.	Chiffchaff	1	0	2	4	3	4	4	11	12	0	41	4.1	0	12 (2025)
161.	Reed Warbler	0	0	0	0	0	1	0	1	0	0	2	0.2	0	1 (2022)
162.	Marsh Warbler	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2021)
163.	Savi's Warbler	0	0	0	0	0	0	0	0	1	0	1	0.1	0	1 (2025)
164.	Blackcap	0	0	0	0	1	0	0	2	0	0	3	0.3	0	2 (2024)
165.	Whitethroat	0	0	0	0	1	0	0	3	1	0	5	0.5	0	3 (2024)
166.	Goldcrest	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2024)
167.	Wren	0	0	0	0	0	0	0	0	1	0	1	0.1	0	1 (2025)
168.	Starling	20717	16491	6700	10697	8491	8892	1042	17242	11962	655	102889	10289	0	20717 (2017)
169.	Song Thrush	739	845	2022	855	456	3378	89	407	893	0	9684	968	0	3378 (2022)
170.	Mistle Thrush	34	4	12	20	8	13	3	29	21	1	145	15	0	34 (2017)
171.	Redwing	5050	779	4669	19868	10531	9361	3871	8536	4910	0	67575	6758	0	19868 (2020)
172.	Blackbird	22	15	38	34	34	25	1	64	15	0	248	25	0	64 (2024)
173.	Fieldfare	585	691	680	4255	496	547	1798	303	2694	9	12058	1206	0	4255 (2020)
174.	Ring Ouzel	0	19	11	29	38	27	33	22	12	0	191	19	0	38 (2021)
175.	thrush sp.	0	0	0	0	0	1	4	2	6	0	13	1.3	0	6 (2025)
176.	Spotted Flycatcher	0	0	0	0	0	0	0	0	2	0	2	0.2	0	2 (2025)
177.	Robin	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2024)
178.	Black Redstart	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2020)
179.	Whinchat	0	0	1	0	0	1	0	0	2	0	4	0.4	0	2 (2025)
180.	Stonechat	0	0	0	0	1	0	0	1	3	0	5	0.5	0	3 (2025)
181.	Wheatear	3	1	2	1	0	0	2	7	5	0	21	2.1	0	7 (2024)
182.	Tree Sparrow	124	151	82	36	17	63	1	2	2	0	478	48	0	151 (2018)
183.	House Sparrow	0	0	0	0	0	0	0	2	0	0	2	0.2	0	2 (2024)
184.	Dunnock	18	14	0	6	12	9	3	13	5	0	80	8	0	18 (2017)
185.	Blue-headed Wagtail	5	74	41	22	57	98	70	64	32	0	463	46	0	98 (2022)
186.	Yellow Wagtail (flavissima)	1	0	2	1	2	1	2	1	0	0	10	1	0	2 (2019)
187.	Grey-headed Wagtail	0	0	0	0	21	27	29	13	106	0	196	20	0	106 (2025)
188.	Yellow wagtail sp.	94	65	241	239	320	230	412	347	618	0	2566	257	0	618 (2025)
189.	Grey Wagtail	93	31	38	42	57	38	24	28	34	0	385	39	0	93 (2017)
190.	White Wagtail	7	50	23	14	110	52	75	108	67	6	512	51	0	110 (2021)
191.	alba wagtail sp.	409	332	257	369	165	246	113	336	312	5	2544	254	0	409 (2017)
192.	Motacilla (wagtail) sp.	0	0	0	0	3	1	5	6	0	0	15	1.5	0	6 (2024)
193.	Pied Wagtail	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2024)
194.	Richard's Pipit	3	1	0	0	0	0	0	1	0	0	5	0.5	0	3 (2017)
195.	Blyth's Pipit	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2024)
196.	Tawny Pipit	0	0	1	1	1	0	0	0	0	0	3	0.3	0	1 (2019)
197.	Meadow Pipit	15175	6206	29418	14901	19670	16605	34018	3027	16876	0	155896	15590	0	34018 (2023)
198.	Tree Pipit	7	9	62	34	33	26	37	62	63	0	333	33	0	63 (2025)
199.	Red-throated Pipit	0	0	1	0	0	0	0	0	1	0	2	0.2	0	1 (2019)
200.	Water Pipit	8	15	17	8	33	32	7	19	19	0	158	16	0	33 (2021)
	Species	2017	2018	2019	2020	2021	2022	2023	2024	2025	2026	Totals	Average	Present	Year Maximum
201.	Rock Pipit	1	0	2	1	1	4	3	5	0	0	17	1.7	0	5 (2024)
202.	Rock Pipit/Water Pipit	28	0	17	13	14	15	4	15	7	0	113	11	0	28 (2017)
203.	Chaffinch	19582	13351	4429	15583	43659	13305	5987	7496	5604	33	129029	12903	0	43659 (2021)
204.	Brambling	108	711	17	65	612	49	5	288	91	0	1946	195	0	711 (2018)
205.	Chaffinch/Brambling	0	0	0	0	259	0	0	0	0	0	259	26	0	259 (2021)
206.	Hawfinch	6	7	3	3	13	6	5	100	25	0	168	17	0	100 (2024)
207.	Greenfinch	44	47	14	26	40	42	40	60	22	0	335	34	0	60 (2024)
208.	Linnet	379	646	194	205	386	569	315	374	153	12	3233	323	0	646 (2018)
209.	Lesser Redpoll	4	0	0	0	0	0	0	0	4	0	8	0.8	0	4 (2017)
210.	Redpoll	13	17	0	8	0	6	8	2	15	0	69	6.9	0	17 (2018)
211.	Crossbill	22	0	20	3	0	0	2	0	0	0	47	4.7	0	22 (2017)
212.	Goldfinch	98	39	95	83	69	51	41	114	57	0	647	65	0	114 (2024)
213.	Serin	1	1	0	0	0	0	0	0	0	0	2	0.2	0	1 (2017)
214.	Siskin	189	260	1235	236	1802	222	1419	402	321	0	6086	609	0	1802 (2021)
215.	Lapland Bunting	2	1	3	1	1	0	1	0	0	0	9	0.9	0	3 (2019)
216.	Snow Bunting	1	1	0	0	0	0	0	0	0	0	2	0.2	0	1 (2017)
217.	Yellowhammer	1	2	2	0	0	0	0	0	2	0	7	0.7	0	2 (2018)
218.	Ortolan Bunting	0	0	1	0	0	0	0	1	0	0	2	0.2	0	1 (2019)
219.	Reed Bunting	902	1183	532	207	423	270	102	436	396	0	4451	445	0	1183 (2018)
220.	passerine sp.	0	0	0	0	0	1	0	13	0	0	14	1.4	0	13 (2024)
221.	Species unknown (escape)	0	0	0	0	0	0	1	0	1	0	2	0.2	0	1 (2023)
	Other species
1.	Grey seal	0	0	0	0	0	1	0	0	0	0	1	0.1	0	1 (2022)
2.	Common Noctule	0	0	0	0	0	0	0	0	3	0	3	0.3	0	3 (2025)
	Other species
1.	Small Tortoiseshell	0	1	2	0	3	3	0	0	0	0	9	0.9	0	3 (2021)
2.	Dark Clouded Yellow	0	0	0	0	0	1	0	0	0	0	1	0.1	0	1 (2022)
3.	Brimstone	0	0	4	1	1	0	0	0	2	0	8	0.8	0	4 (2019)
4.	European Peacock	0	2	7	2	10	6	5	54	12	0	98	9.8	0	54 (2024)
5.	Swallowtail	0	0	0	0	0	0	1	0	1	0	2	0.2	0	1 (2023)
6.	Speckled Wood	0	0	0	0	0	0	1	0	1	0	2	0.2	0	1 (2023)
7.	Green-veined White	0	0	1	0	0	0	0	0	0	0	1	0.1	0	1 (2019)
8.	Small White	0	0	17	1	0	0	0	0	0	0	18	1.8	0	17 (2019)
9.	white sp. (butterfly)	0	0	5	2	10	3	6	4	15	0	45	4.5	0	15 (2025)
10.	Comma	0	0	0	1	0	0	0	0	1	0	2	0.2	0	1 (2020)
11.	Red Admiral	0	6	8	1	6	5	0	5	2	0	33	3.3	0	8 (2019)
12.	Painted Lady	0	0	2	0	0	0	0	0	0	0	2	0.2	0	2 (2019)
	Other species
1.	Dragonfly unknown	0	0	0	0	0	1	0	0	0	0	1	0.1	0	1 (2022)
	Other species
1.	Bumblebee sp.	0	28	29	32	53	7	9	23	3	0	184	18	0	53 (2021)
	Species	2017	2018	2019	2020	2021	2022	2023	2024	2025	2026	Totals	Average	Present	Year Maximum
	Totals	87900	69690	86198	118604	147149	93270	65122	99769	80388	811	848901	84890	7
	Observation hours	158:57	122:11	216:23	251:52	338:16	260:16	165:54	365:02	313:18	2:38	2,194:47	219:29

Trektellen

Totals De Gorzen (Ridderkerk) 2017 - 2026