Totals Slikken van de Heen 2015 - 2024

	Species	2015	2016	2017	2018	2019	2020	2021	2022	2023	2024	Totals	Average	Present	Year Maximum
1.	Dark-bellied Brent Goose	2	31	159	77	110	53	44	90	45	0	611	68	0	159 (2017)
2.	Canada Goose	0	0	6	2	9	43	86	43	93	0	282	31	0	93 (2023)
3.	Barnacle Goose	428	674	2364	509	1381	769	1171	204	461	0	7961	885	0	2364 (2017)
4.	Greylag Goose	1384	453	1478	918	3094	2161	432	480	710	0	11110	1234	0	3094 (2019)
5.	Anser sp.	70	0	0	0	42	0	0	0	0	0	112	12	0	70 (2015)
6.	Pink-footed Goose	336	0	158	0	35	24	1	0	0	0	554	62	0	336 (2015)
7.	Tundra Bean Goose	199	63	304	291	244	612	59	25	20	0	1817	202	0	612 (2020)
8.	Bean Goose sp.	0	50	117	0	6	86	0	0	0	0	259	29	0	117 (2017)
9.	Eurasian White-fronted Goose	837	2428	1873	1472	2110	2666	256	862	689	0	13193	1466	0	2666 (2020)
10.	Black Swan	0	0	2	0	0	2	0	1	0	0	5	0.6	0	2 (2017)
11.	Mute Swan	0	0	2	0	13	18	3	5	18	0	59	6.6	0	18 (2020)
12.	Bewick's Swan	32	2	41	2	47	39	21	0	0	0	184	20	0	47 (2019)
13.	Egyptian Goose	2	1	4	0	46	0	59	21	5	0	138	15	0	59 (2021)
14.	Shelduck	0	16	72	57	50	24	26	32	27	0	304	34	0	72 (2017)
15.	Ruddy Shelduck	0	3	3	9	1	2	9	6	0	0	33	3.7	0	9 (2018)
16.	Garganey	0	0	0	14	0	0	0	3	1	0	18	2	0	14 (2018)
17.	Shoveler	1	65	9	178	8	35	3	4	17	0	320	36	0	178 (2018)
18.	Gadwall	5	21	10	77	67	26	4	101	78	0	389	43	0	101 (2022)
19.	Wigeon	109	1576	296	398	394	457	111	176	248	0	3765	418	0	1576 (2016)
20.	Mallard	3	5	58	22	18	47	10	15	0	0	178	20	0	58 (2017)
21.	Pintail	4	148	239	219	768	1536	107	284	286	0	3591	399	0	1536 (2020)
22.	Teal	28	15	56	226	40	48	0	7	9	0	429	48	0	226 (2018)
23.	duck sp.	0	0	0	0	25	0	0	0	0	0	25	2.8	0	25 (2019)
24.	Pochard	0	0	1	103	15	17	0	0	3	0	139	15	0	103 (2018)
25.	Tufted Duck	1	0	10	186	8	4	0	0	2	0	211	23	0	186 (2018)
26.	Goldeneye	5	0	4	0	21	3	1	1	0	0	35	3.9	0	21 (2019)
27.	Goosander	3	5	29	46	11	15	0	10	2	0	121	13	0	46 (2018)
28.	Red-breasted Merganser	0	6	9	7	15	2	0	4	8	0	51	5.7	0	15 (2019)
29.	Swift	0	2	1788	20	104	7	24	0	55	0	2000	222	0	1788 (2017)
30.	Cuckoo	0	1	0	1	0	0	1	2	0	0	5	0.6	0	2 (2022)
31.	Stock Dove	112	61	235	449	345	505	484	553	777	0	3521	391	0	777 (2023)
32.	Woodpigeon	549	319	993	1976	1513	2170	1052	549	1854	0	10975	1219	0	2170 (2020)
33.	Turtle Dove	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2022)
34.	Collared Dove	1	4	0	14	3	2	3	15	10	0	52	5.8	0	15 (2022)
35.	Coot	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2018)
36.	Crane	0	0	0	12	0	0	0	0	0	0	12	1.3	0	12 (2018)
37.	Great Crested Grebe	0	1	2	2	10	0	0	0	0	0	15	1.7	0	10 (2019)
38.	Greater Flamingo	0	0	1	0	0	0	0	0	0	0	1	0.1	0	1 (2017)
39.	Oystercatcher	0	0	6	28	14	10	11	3	9	0	81	9	0	28 (2018)
40.	Black-winged Stilt	0	0	1	0	0	0	0	0	0	0	1	0.1	0	1 (2017)
41.	Avocet	0	0	0	2	2	12	0	0	0	0	16	1.8	0	12 (2020)
42.	Lapwing	2932	690	1720	1575	6434	7384	5541	2954	2584	0	31814	3535	1000	7384 (2020)
43.	Golden Plover	755	171	2540	928	3680	6798	2287	4665	6065	0	27889	3099	1300	6798 (2020)
44.	Grey Plover	0	1	8	4	4	6	2	10	0	0	35	3.9	0	10 (2022)
45.	Ringed Plover	0	22	15	17	4	0	0	0	7	0	65	7.2	0	22 (2016)
46.	Little Ringed Plover	0	0	0	3	1	0	0	0	1	0	5	0.6	0	3 (2018)
47.	Dotterel	0	0	0	0	1	0	0	1	0	0	2	0.2	0	1 (2019)
48.	Whimbrel	0	0	1	27	2	6	35	15	0	0	86	9.6	0	35 (2021)
49.	Curlew	47	8	26	51	119	42	26	30	30	0	379	42	0	119 (2019)
50.	Bar-tailed Godwit	0	0	0	3	0	0	0	26	6	0	35	3.9	0	26 (2022)
	Species	2015	2016	2017	2018	2019	2020	2021	2022	2023	2024	Totals	Average	Present	Year Maximum
51.	Black-tailed Godwit	0	6	0	275	0	52	4	5	23	0	365	41	0	275 (2018)
52.	Turnstone	0	0	0	2	5	5	0	0	0	0	12	1.3	0	5 (2019)
53.	Ruff	1	17	48	25	5	20	17	4	15	0	152	17	0	48 (2017)
54.	wader sp.	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2019)
55.	Curlew Sandpiper	0	5	0	0	0	0	0	0	0	0	5	0.6	0	5 (2016)
56.	Dunlin	0	1	14	28	0	10	0	0	0	0	53	5.9	0	28 (2018)
57.	Jack Snipe	0	0	0	0	0	1	0	0	0	0	1	0.1	0	1 (2020)
58.	Snipe	6	121	206	175	147	196	23	111	65	0	1050	117	0	206 (2017)
59.	Common Sandpiper	0	0	2	0	6	4	3	0	1	0	16	1.8	0	6 (2019)
60.	Green Sandpiper	2	11	7	5	2	6	6	2	3	0	44	4.9	0	11 (2016)
61.	Redshank	0	0	0	47	0	75	11	4	0	0	137	15	0	75 (2020)
62.	Wood Sandpiper	0	0	0	2	0	0	0	0	0	0	2	0.2	0	2 (2018)
63.	Spotted Redshank	1	4	6	2	1	2	5	0	0	0	21	2.3	0	6 (2017)
64.	Greenshank	0	5	10	31	2	9	9	7	2	0	75	8.3	0	31 (2018)
65.	Black-headed Gull	472	363	1237	5337	1009	1044	335	153	90	0	10040	1116	0	5337 (2018)
66.	Mediterranean Gull	0	0	0	20	1	4	0	0	6	0	31	3.4	0	20 (2018)
67.	Common Gull	100	41	148	203	97	17	6	8	55	0	675	75	0	203 (2018)
68.	Great Black-backed Gull	11	16	4	16	13	3	2	8	4	0	77	8.6	0	16 (2016)
69.	Herring Gull	25	28	123	167	64	37	59	110	78	0	691	77	0	167 (2018)
70.	Caspian Gull	0	1	0	0	1	1	0	0	0	0	3	0.3	0	1 (2016)
71.	Yellow-legged Gull	0	0	0	2	0	1	0	0	0	0	3	0.3	0	2 (2018)
72.	Lesser Black-backed Gull	0	38	125	269	112	71	53	33	60	0	761	85	0	269 (2018)
73.	Caspian Tern	0	0	0	2	0	2	0	0	2	0	6	0.7	0	2 (2018)
74.	Sandwich Tern	0	0	0	4	1	0	0	0	0	0	5	0.6	0	4 (2018)
75.	Common Tern	0	0	13	70	57	27	31	0	19	0	217	24	0	70 (2018)
76.	Arctic Tern	0	0	0	0	0	0	0	0	1	0	1	0.1	0	1 (2023)
77.	Common/Arctic Tern	0	0	0	1	2	1	0	0	0	0	4	0.4	0	2 (2019)
78.	Black Tern	0	0	4	16	0	0	0	0	0	0	20	2.2	0	16 (2018)
79.	Black Stork	0	0	0	0	0	5	0	0	0	0	5	0.6	0	5 (2020)
80.	White Stork	0	1	0	2	3	2	0	0	0	0	8	0.9	0	3 (2019)
81.	Cormorant	799	2246	2551	6554	4845	2620	623	1264	1664	0	23166	2574	0	6554 (2018)
82.	Spoonbill	0	355	96	230	400	90	66	29	328	0	1594	177	0	400 (2019)
83.	Cattle Egret	0	1	14	6	1	1	3	9	23	0	58	6.4	0	23 (2023)
84.	Grey Heron	4	37	43	34	48	49	12	11	51	0	289	32	5	51 (2023)
85.	Purple Heron	0	0	0	5	0	0	2	0	0	0	7	0.8	0	5 (2018)
86.	Great White Egret	17	16	26	44	87	17	20	19	51	0	297	33	0	87 (2019)
87.	Little Egret	0	0	6	5	10	1	2	9	5	0	38	4.2	0	10 (2019)
88.	Osprey	0	2	4	12	8	3	1	4	3	0	37	4.1	0	12 (2018)
89.	Honey Buzzard	0	2	0	2	2	4	0	4	1	0	15	1.7	0	4 (2020)
90.	eagle sp.	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2019)
91.	Sparrowhawk	12	27	44	53	95	62	21	35	50	0	399	44	0	95 (2019)
92.	Goshawk	0	1	1	2	1	2	0	1	0	0	8	0.9	0	2 (2018)
93.	Marsh Harrier	3	44	10	60	70	59	16	17	56	0	335	37	0	70 (2019)
94.	Hen Harrier	3	2	4	8	9	10	1	1	2	0	40	4.4	0	10 (2020)
95.	Pallid Harrier	0	1	0	0	0	0	0	0	0	0	1	0.1	0	1 (2016)
96.	Hen/Montagu's/Pallid Harrier	0	1	0	1	1	0	0	0	0	0	3	0.3	0	1 (2016)
97.	Red Kite	0	0	0	8	1	0	0	0	0	0	9	1	0	8 (2018)
98.	Black Kite	0	0	1	0	0	0	0	0	0	0	1	0.1	0	1 (2017)
99.	White-tailed Eagle	0	0	0	0	0	1	0	0	1	0	2	0.2	0	1 (2020)
100.	Rough-legged Buzzard	0	0	1	1	0	0	0	0	0	0	2	0.2	0	1 (2017)
	Species	2015	2016	2017	2018	2019	2020	2021	2022	2023	2024	Totals	Average	Present	Year Maximum
101.	Common Buzzard	3	16	20	35	68	91	29	8	82	0	352	39	3	91 (2020)
102.	Short-eared Owl	1	0	1	0	0	0	0	0	0	0	2	0.2	0	1 (2015)
103.	Great Spotted Woodpecker	4	10	65	22	86	39	10	20	44	0	300	33	0	86 (2019)
104.	Green Woodpecker	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2019)
105.	Kestrel	0	5	3	9	26	21	0	1	6	0	71	7.9	0	26 (2019)
106.	Red-footed Falcon	0	1	0	0	0	0	0	0	0	0	1	0.1	0	1 (2016)
107.	Merlin	1	3	6	2	9	8	2	0	4	0	35	3.9	0	9 (2019)
108.	Hobby	0	1	4	3	8	2	1	6	0	0	25	2.8	0	8 (2019)
109.	Peregrine	0	2	9	3	2	1	2	4	3	0	26	2.9	0	9 (2017)
110.	Great Grey Shrike	1	0	0	1	0	0	0	1	0	0	3	0.3	0	1 (2015)
111.	Jay	0	26	39	20	1891	24	252	33	193	0	2478	275	0	1891 (2019)
112.	Magpie	0	0	0	0	4	0	0	0	0	0	4	0.4	0	4 (2019)
113.	Jackdaw	255	143	416	525	1140	1225	138	63	1043	0	4948	550	0	1225 (2020)
114.	Rook	5	0	2	0	1	0	0	0	1	0	9	1	0	5 (2015)
115.	Carrion Crow	33	19	32	34	22	76	53	45	53	0	367	41	0	76 (2020)
116.	Coal Tit	42	0	326	0	18	2	126	3	2	0	519	58	0	326 (2017)
117.	Blue Tit	131	131	447	82	1061	245	1379	205	190	0	3871	430	0	1379 (2021)
118.	Great Tit	95	132	349	190	513	423	199	221	486	0	2608	290	0	513 (2019)
119.	Penduline Tit	0	5	1	0	0	1	0	0	0	0	7	0.8	0	5 (2016)
120.	Bearded Tit	0	1	19	0	15	0	0	0	0	0	35	3.9	0	19 (2017)
121.	Wood Lark	15	3	37	38	27	55	9	29	25	0	238	26	0	55 (2020)
122.	Skylark	758	1303	4009	2279	3776	921	569	493	477	0	14585	1621	0	4009 (2017)
123.	Sand Martin	0	293	278	1868	882	1623	275	21	87	0	5327	592	0	1868 (2018)
124.	Swallow	0	1290	1161	5322	2961	1968	473	1025	1090	0	15290	1699	0	5322 (2018)
125.	House Martin	0	279	717	3137	433	607	23	67	104	0	5367	596	0	3137 (2018)
126.	Long-tailed Tit	81	6	38	37	34	24	0	17	5	0	242	27	0	81 (2015)
127.	Yellow-browed Warbler	0	1	0	0	0	1	0	0	0	0	2	0.2	0	1 (2016)
128.	Willow Warbler	0	0	0	2	0	0	1	1	4	0	8	0.9	0	4 (2023)
129.	Chiffchaff	4	10	18	5	47	27	18	15	30	0	174	19	4	47 (2019)
130.	Chiffchaff/Willow Warbler	0	4	0	0	1	1	0	0	0	0	6	0.7	0	4 (2016)
131.	Blackcap	1	8	3	5	16	13	0	6	13	0	65	7.2	0	16 (2019)
132.	Lesser Whitethroat	0	0	0	0	0	0	0	1	1	0	2	0.2	0	1 (2022)
133.	Firecrest	3	0	3	2	6	1	0	4	0	0	19	2.1	0	6 (2019)
134.	Goldcrest	135	26	18	78	165	228	4	4	4	0	662	74	0	228 (2020)
135.	Nuthatch	0	0	1	0	3	0	0	0	0	0	4	0.4	0	3 (2019)
136.	Short-toed Tree Creeper	1	1	0	0	1	0	1	0	0	0	4	0.4	0	1 (2015)
137.	Starling	23123	4062	57923	40319	21680	25394	12975	6459	5815	0	197750	21972	90	57923 (2017)
138.	Song Thrush	86	1043	2452	3244	4017	2439	342	2468	1357	0	17448	1939	0	4017 (2019)
139.	Mistle Thrush	15	54	26	16	38	31	29	17	9	0	235	26	0	54 (2016)
140.	Redwing	1199	2000	23519	5462	31036	90738	3796	2050	3210	0	163010	18112	0	90738 (2020)
141.	Blackbird	117	159	205	79	616	176	78	76	40	0	1546	172	0	616 (2019)
142.	Fieldfare	1151	936	5603	770	9714	2463	192	73	1063	0	21965	2441	300	9714 (2019)
143.	Ring Ouzel	0	0	3	0	47	7	5	1	3	0	66	7.3	0	47 (2019)
144.	Spotted Flycatcher	0	0	0	0	0	0	0	0	4	0	4	0.4	0	4 (2023)
145.	Robin	0	0	0	0	0	0	0	0	1	0	1	0.1	0	1 (2023)
146.	Pied Flycatcher	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2019)
147.	Black Redstart	0	0	0	1	0	1	0	0	1	0	3	0.3	0	1 (2018)
148.	Redstart	0	3	1	0	1	0	0	0	1	0	6	0.7	0	3 (2016)
149.	Whinchat	0	0	1	0	0	0	1	0	1	0	3	0.3	0	1 (2017)
150.	Stonechat	0	0	6	0	0	0	0	0	0	0	6	0.7	0	6 (2017)
	Species	2015	2016	2017	2018	2019	2020	2021	2022	2023	2024	Totals	Average	Present	Year Maximum
151.	Tree Sparrow	57	50	117	17	32	37	12	10	4	0	336	37	0	117 (2017)
152.	House Sparrow	0	7	6	0	0	0	0	5	0	0	18	2	0	7 (2016)
153.	Dunnock	15	171	145	69	134	158	45	58	38	0	833	93	0	171 (2016)
154.	Blue-headed Wagtail	0	0	0	3	3	128	1	0	0	0	135	15	0	128 (2020)
155.	Yellow wagtail sp.	0	84	73	296	31	28	26	38	28	0	604	67	0	296 (2018)
156.	Grey Wagtail	3	52	120	45	50	82	20	16	12	0	400	44	0	120 (2017)
157.	White Wagtail	1	0	1	103	2	98	4	0	16	0	225	25	0	103 (2018)
158.	alba wagtail sp.	18	193	303	124	166	16	37	44	115	0	1016	113	0	303 (2017)
159.	Meadow Pipit	217	3402	9246	3389	3500	4760	2056	1607	681	0	28858	3206	0	9246 (2017)
160.	Tree Pipit	0	24	15	18	10	17	8	3	15	0	110	12	0	24 (2016)
161.	Olive-backed Pipit	0	0	1	0	1	0	0	0	0	0	2	0.2	0	1 (2017)
162.	Tree Pipit/Olive-backed Pipit	1	1	1	0	0	1	0	0	0	0	4	0.4	0	1 (2015)
163.	Water Pipit	7	1	4	9	7	10	0	0	0	0	38	4.2	0	10 (2020)
164.	Rock Pipit	1	1	10	6	1	1	2	0	0	0	22	2.4	0	10 (2017)
165.	Rock Pipit/Water Pipit	11	22	25	30	12	13	0	0	1	0	114	13	0	30 (2018)
166.	pipit sp.	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2022)
167.	Chaffinch	5323	3575	32512	12486	13395	24714	9521	6528	1574	0	109628	12181	0	32512 (2017)
168.	Brambling	214	46	588	491	190	255	1139	24	53	0	3000	333	0	1139 (2021)
169.	Hawfinch	8	1	80	3	13	4	3	0	0	0	112	12	0	80 (2017)
170.	Bullfinch	1	0	5	0	0	0	0	0	1	0	7	0.8	0	5 (2017)
171.	Northern Bullfinch	1	0	0	0	0	0	0	0	0	0	1	0.1	0	1 (2015)
172.	Northern Bullfinch (trumpet call)	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2019)
173.	Greenfinch	92	77	332	190	182	252	79	27	98	0	1329	148	0	332 (2017)
174.	Linnet	18	206	652	451	256	381	147	223	200	0	2534	282	0	652 (2017)
175.	Mealy Redpoll	0	0	0	0	0	0	0	0	1	0	1	0.1	0	1 (2023)
176.	Lesser Redpoll	0	0	0	0	0	3	0	0	0	0	3	0.3	0	3 (2020)
177.	redpoll sp.	16	0	164	55	4	33	0	1	0	0	273	30	0	164 (2017)
178.	Crossbill	1	15	43	1	13	4	10	0	25	0	112	12	0	43 (2017)
179.	Goldfinch	25	19	224	57	178	336	84	127	104	0	1154	128	27	336 (2020)
180.	Serin	0	0	1	0	2	0	0	0	2	0	5	0.6	0	2 (2019)
181.	Siskin	365	100	848	376	6900	1331	1415	393	1544	0	13272	1475	0	6900 (2019)
182.	Lapland Bunting	0	0	2	0	0	0	0	0	0	0	2	0.2	0	2 (2017)
183.	Corn Bunting	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2018)
184.	Yellowhammer	0	0	1	1	0	0	0	0	1	0	3	0.3	0	1 (2017)
185.	Ortolan Bunting	0	0	0	0	0	0	0	0	1	0	1	0.1	0	1 (2023)
186.	Little Bunting	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2019)
187.	Reed Bunting	74	80	244	241	210	155	54	71	31	0	1160	129	0	244 (2017)
188.	bunting sp.	0	2	0	0	2	0	0	1	0	0	5	0.6	0	2 (2016)
189.	passerine sp.	0	1	0	0	1	0	0	0	0	0	2	0.2	0	1 (2016)
	Other species
1.	Small Tortoiseshell	0	0	5	0	0	0	1	0	2	0	8	0.9	0	5 (2017)
2.	Dark Clouded Yellow	0	0	2	0	1	0	0	0	0	0	3	0.3	0	2 (2017)
3.	European Peacock	0	30	0	3	1	1	1	1	1	0	38	4.2	0	30 (2016)
4.	Hummingbird Hawk-moth	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2022)
5.	Swallowtail	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2019)
6.	Speckled Wood	0	1	2	0	0	0	0	0	0	0	3	0.3	0	2 (2017)
7.	Large White	0	1	1	0	0	0	0	0	0	0	2	0.2	0	1 (2016)
8.	Small White	0	10	0	0	0	2	0	0	0	0	12	1.3	0	10 (2016)
9.	white sp. (butterfly)	0	2	1	0	1	51	2	0	13	0	70	7.8	0	51 (2020)
10.	Comma	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2018)
11.	Red Admiral	1	54	3	9	26	14	4	1	12	0	124	14	0	54 (2016)
	Species	2015	2016	2017	2018	2019	2020	2021	2022	2023	2024	Totals	Average	Present	Year Maximum
12.	Painted Lady	0	1	0	0	1	0	0	0	0	0	2	0.2	0	1 (2016)
	Other species
1.	Darter unknown	0	0	0	648	49	22	7	38	7	0	771	86	0	648 (2018)
2.	Migrant Hawker	0	0	0	2	1	1	0	0	0	0	4	0.4	0	2 (2018)
3.	Dragonfly unknown	0	0	0	0	2	0	0	0	0	0	2	0.2	0	2 (2019)
	Other species
1.	Bumblebee sp.	0	0	2	29	3	4	0	1	1	0	40	4.4	0	29 (2018)
	Species	2015	2016	2017	2018	2019	2020	2021	2022	2023	2024	Totals	Average	Present	Year Maximum
	Totals	43031	30440	162928	106396	133672	191933	48860	35702	36812	0	789774	87753	2729
	Observation hours	35:40	79:45	141:20	175:32	155:37	153:55	64:42	67:25	85:50		959:46	106:38

Trektellen

Totals Slikken van de Heen 2015 - 2024