Select until 26 March

Totals Berkheide (Katwijk) 2016 - 2025

	Species	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025	Totals	Average	Present	Year Maximum
1.	Dark-bellied Brent Goose	166	79	239	149	174	527	331	108	23	11	1807	181	1	527 (2021)
2.	Canada Goose	31	144	199	376	358	194	182	200	139	93	1916	192	2	376 (2019)
3.	Barnacle Goose	1234	2761	8796	4813	10434	5775	3836	4700	6674	1627	50650	5065	0	10434 (2020)
4.	Lesser Canada Goose	0	0	0	1	0	0	1	0	0	0	2	0.2	0	1 (2019)
5.	Bar-headed Goose	0	0	0	0	2	0	0	0	0	0	2	0.2	0	2 (2020)
6.	Greylag Goose	678	809	1013	1585	1069	465	1012	783	1227	440	9081	908	4	1585 (2019)
7.	Anser sp.	171	121	0	0	0	0	0	0	0	0	292	29	0	171 (2016)
8.	goose sp.	1211	26	225	1172	334	10791	138	241	4729	2219	21086	2109	0	10791 (2021)
9.	Domestic Goose	1	0	0	0	0	0	0	0	0	0	1	0.1	0	1 (2016)
10.	Pink-footed Goose	197	11	31	590	190	3442	6	0	149	7	4623	462	0	3442 (2021)
11.	Tundra Bean Goose	13	28	0	0	4	93	500	1	1	3	643	64	0	500 (2022)
12.	Bean Goose sp.	3	0	0	0	0	0	0	0	0	0	3	0.3	0	3 (2016)
13.	Eurasian White-fronted Goose	155	606	390	656	378	1541	1829	399	682	9	6645	665	0	1829 (2022)
14.	Lesser White-fronted Goose	0	0	0	0	0	0	0	0	2	0	2	0.2	0	2 (2024)
15.	Black Swan	0	0	0	0	0	0	1	0	0	0	1	0.1	0	1 (2022)
16.	Mute Swan	163	100	72	184	215	162	90	63	82	0	1131	113	11	215 (2020)
17.	Bewick's Swan	0	0	0	0	0	1	0	0	0	0	1	0.1	0	1 (2021)
18.	Whooper Swan	0	0	6	0	2	32	0	0	0	0	40	4	0	32 (2021)
19.	Egyptian Goose	138	128	91	213	339	219	310	201	416	123	2178	218	9	416 (2024)
20.	Shelduck	252	255	435	744	384	253	246	334	173	26	3102	310	12	744 (2019)
21.	Ruddy Shelduck	1	15	0	12	2	0	2	2	1	0	35	3.5	0	15 (2017)
22.	Garganey	0	5	4	0	7	6	5	0	1	0	28	2.8	0	7 (2020)
23.	Shoveler	120	274	175	243	520	320	500	65	232	181	2630	263	0	520 (2020)
24.	Gadwall	41	99	52	78	105	60	68	77	42	8	630	63	0	105 (2020)
25.	Wigeon	337	100	1272	539	230	490	398	17	93	44	3520	352	37	1272 (2018)
26.	American Wigeon	0	0	1	0	0	0	0	0	0	0	1	0.1	0	1 (2018)
27.	Mallard	14	58	46	60	81	17	23	45	22	3	369	37	0	81 (2020)
28.	Pintail	81	314	23	21	45	165	65	28	222	17	981	98	0	314 (2017)
29.	Teal	634	31	81	78	51	141	62	2	6	15	1101	110	0	634 (2016)
30.	duck sp.	54	71	38	0	19	4	6	5	17	0	214	21	0	71 (2017)
31.	Red-crested Pochard	18	7	24	11	0	5	14	14	7	0	100	10	3	24 (2018)
32.	Pochard	26	48	29	25	7	23	54	22	40	0	274	27	0	54 (2022)
33.	Ring-necked Duck	0	0	0	0	0	0	0	0	1	0	1	0.1	0	1 (2024)
34.	Tufted Duck	19	35	14	6	45	24	35	18	7	0	203	20	0	45 (2020)
35.	Scaup	9	0	1	0	0	30	0	0	0	0	40	4	0	30 (2021)
36.	Aythya sp.	58	0	0	0	0	0	0	0	0	0	58	5.8	0	58 (2016)
37.	King Eider	0	0	0	0	0	0	0	0	1	0	1	0.1	0	1 (2024)
38.	Eider	73	51	81	102	142	82	118	54	72	41	816	82	0	142 (2020)
39.	Velvet Scoter	3	5	5	0	2	2	0	0	15	0	32	3.2	0	15 (2024)
40.	Common Scoter	618	2210	1119	500	674	1720	534	346	1560	30	9311	931	87	2210 (2017)
41.	scoter sp.	2	9	0	0	0	0	0	0	0	0	11	1.1	0	9 (2017)
42.	Long-tailed Duck	0	0	0	0	0	1	0	0	1	0	2	0.2	0	1 (2021)
43.	Goldeneye	1	8	0	2	6	2	0	0	0	4	23	2.3	0	8 (2017)
44.	Smew	0	0	3	0	0	24	0	0	0	0	27	2.7	0	24 (2021)
45.	Goosander	3	8	28	21	14	17	3	9	26	14	143	14	0	28 (2018)
46.	Red-breasted Merganser	67	59	82	31	97	78	48	37	19	1	519	52	0	97 (2020)
47.	Alpine Swift	0	0	0	0	0	1	0	0	0	0	1	0.1	0	1 (2021)
48.	Swift	1934	11043	6648	9961	16739	3970	4900	16824	3283	0	75302	7530	780	16824 (2023)
49.	Cuckoo	23	11	14	9	9	5	3	20	12	0	106	11	15	23 (2016)
50.	Stock Dove	137	152	185	215	246	96	387	128	166	43	1755	176	73	387 (2022)
	Species	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025	Totals	Average	Present	Year Maximum
51.	Woodpigeon	3163	1668	5163	1739	2989	2260	5579	4114	2131	2925	31731	3173	251	5579 (2022)
52.	Turtle Dove	3	1	2	4	3	1	3	2	3	0	22	2.2	0	4 (2019)
53.	Collared Dove	100	118	161	121	144	69	104	139	98	4	1058	106	12	161 (2018)
54.	Crane	0	0	17	0	0	0	3	0	72	0	92	9.2	0	72 (2024)
55.	Great Crested Grebe	148	20	69	150	50	135	355	10	14	9	960	96	243	355 (2022)
56.	Greater Flamingo	0	0	0	0	0	0	0	2	0	0	2	0.2	0	2 (2023)
57.	Oystercatcher	420	327	735	318	429	433	413	665	391	13	4144	414	6	735 (2018)
58.	Avocet	18	10	27	1	86	14	146	2	25	38	367	37	0	146 (2022)
59.	Grey Plover	29	139	14	16	15	175	12	128	58	0	586	59	0	175 (2021)
60.	Golden Plover	10	87	250	21	31	57	55	21	6	2	540	54	0	250 (2018)
61.	Dotterel	1	5	1	22	2	0	5	0	0	0	36	3.6	0	22 (2019)
62.	Ringed Plover	20	44	103	200	59	18	20	108	101	6	679	68	0	200 (2019)
63.	Charadrius h. tundrae	0	0	0	0	0	0	0	12	0	0	12	1.2	0	12 (2023)
64.	Little Ringed Plover	15	18	27	15	22	18	37	33	8	2	195	20	12	37 (2022)
65.	Lapwing	241	110	1154	90	94	256	182	151	111	28	2417	242	43	1154 (2018)
66.	Whimbrel	159	284	403	397	1486	633	251	348	138	0	4099	410	0	1486 (2020)
67.	Curlew	110	86	105	276	168	75	119	104	22	6	1071	107	1	276 (2019)
68.	Bar-tailed Godwit	41	62	22	13	36	121	83	22	9	0	409	41	0	121 (2021)
69.	Black-tailed Godwit	12	24	41	21	20	1	66	14	30	1	230	23	0	66 (2022)
70.	Icelandic Black-tailed Godwit	0	0	1	0	0	1	0	0	0	0	2	0.2	0	1 (2018)
71.	Jack Snipe	1	0	0	1	0	0	1	0	0	0	3	0.3	0	1 (2016)
72.	Woodcock	3	2	0	1	1	2	1	0	0	0	10	1	0	3 (2016)
73.	Snipe	19	39	58	54	60	32	68	7	42	9	388	39	0	68 (2022)
74.	Common Sandpiper	0	0	1	3	0	2	0	1	0	0	7	0.7	0	3 (2019)
75.	Green Sandpiper	14	91	53	119	210	83	144	84	17	2	817	82	0	210 (2020)
76.	Wood Sandpiper	3	4	15	7	13	3	13	4	1	0	63	6.3	0	15 (2018)
77.	Redshank	28	165	58	107	199	37	198	94	61	9	956	96	0	199 (2020)
78.	Spotted Redshank	1	7	6	8	3	1	11	1	2	0	40	4	0	11 (2022)
79.	Greenshank	36	151	29	49	66	35	147	65	23	0	601	60	0	151 (2017)
80.	Turnstone	2	3	1	0	1	0	0	4	0	0	11	1.1	0	4 (2023)
81.	Knot	29	28	19	43	78	14	61	1	1	0	274	27	0	78 (2020)
82.	Ruff	12	67	68	0	58	1	61	23	60	0	350	35	0	68 (2018)
83.	wader sp.	33	82	50	18	137	192	11	27	54	0	604	60	0	192 (2021)
84.	small wader	0	0	0	0	0	0	0	0	2	0	2	0.2	0	2 (2024)
85.	large wader	0	0	0	0	0	0	0	0	6	0	6	0.6	0	6 (2024)
86.	Temminck's Stint	0	6	0	0	0	0	0	0	0	0	6	0.6	0	6 (2017)
87.	Sanderling	53	82	0	15	67	48	0	0	1	0	266	27	31	82 (2017)
88.	Dunlin	317	26	24	131	33	137	704	9	10	0	1391	139	0	704 (2022)
89.	Purple Sandpiper	3	0	0	0	0	0	0	0	0	0	3	0.3	0	3 (2016)
90.	Little Stint	0	6	0	0	0	0	0	0	0	0	6	0.6	0	6 (2017)
91.	Little / Temminck's Stint	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2023)
92.	Calidris sp.	0	53	0	3	13	28	3	3	13	0	116	12	0	53 (2017)
93.	Little Tern	50	33	21	18	78	14	9	8	5	0	236	24	0	78 (2020)
94.	Gull-billed Tern	0	2	2	0	2	1	0	0	3	0	10	1	0	3 (2024)
95.	Caspian Tern	0	0	0	0	0	1	1	6	3	0	11	1.1	0	6 (2023)
96.	Black Tern	11	42	0	24	237	8	12	10	14	0	358	36	0	237 (2020)
97.	Arctic Tern	11	0	4	30	32	45	0	0	0	0	122	12	0	45 (2021)
98.	Common/Arctic Tern	13	895	0	112	403	156	71	297	230	0	2177	218	10	895 (2017)
99.	Common Tern	558	344	349	585	7741	985	291	543	506	0	11902	1190	49	7741 (2020)
100.	sterna sp.	0	0	0	0	0	0	0	0	1	0	1	0.1	0	1 (2024)
	Species	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025	Totals	Average	Present	Year Maximum
101.	Sandwich Tern	200	705	321	667	994	404	134	142	105	0	3672	367	45	994 (2020)
102.	Little Gull	317	51	130	924	1911	5638	469	781	103	3	10327	1033	74	5638 (2021)
103.	Kittiwake	2	3	2	0	0	4	1	0	0	0	12	1.2	0	4 (2021)
104.	Black-headed Gull	7439	3659	4060	2184	3657	2563	3578	4882	614	940	33576	3358	51	7439 (2016)
105.	Mediterranean Gull	5	13	58	23	150	24	12	66	18	0	369	37	0	150 (2020)
106.	Common Gull	1860	1380	520	317	1343	403	700	850	1075	498	8946	895	77	1860 (2016)
107.	Caspian Gull	0	0	0	0	0	0	0	2	1	0	3	0.3	0	2 (2023)
108.	Herring Gull	1527	2013	813	876	2121	779	256	1225	178	927	10715	1072	672	2121 (2020)
109.	Yellow-legged Gull	0	1	0	0	0	0	1	0	0	0	2	0.2	1	1 (2017)
110.	Great Black-backed Gull	109	98	24	42	107	57	10	10	8	4	469	47	35	109 (2016)
111.	Glaucous Gull	0	2	1	1	0	0	0	1	0	0	5	0.5	0	2 (2017)
112.	Lesser Black-backed Gull	3786	2192	3306	2902	8465	1633	2326	5057	1803	1800	33270	3327	200	8465 (2020)
113.	Iceland Gull	0	2	0	1	1	0	2	0	0	0	6	0.6	0	2 (2017)
114.	Arctic Skua	0	0	0	3	1	2	1	0	0	0	7	0.7	0	3 (2019)
115.	Great Skua	0	1	0	0	0	0	0	0	0	0	1	0.1	0	1 (2017)
116.	Razorbill	0	0	1	0	0	0	0	0	0	0	1	0.1	0	1 (2018)
117.	Razorbill/Guillemot	19	26	196	316	21	554	95	0	82	0	1309	131	1	554 (2021)
118.	Guillemot	0	1	0	0	0	5	0	0	0	0	6	0.6	1	5 (2021)
119.	Red-throated Diver	475	224	135	142	110	1544	119	34	214	9	3006	301	19	1544 (2021)
120.	Black-throated Diver	2	0	2	0	0	1	1	0	0	0	6	0.6	0	2 (2016)
121.	Great Northern Diver	1	0	0	0	0	1	1	0	0	0	3	0.3	0	1 (2016)
122.	diver sp.	2	1	2	0	2	2	0	0	3	1	13	1.3	0	3 (2024)
123.	Fulmar	1	0	0	0	1	1	0	0	0	0	3	0.3	0	1 (2016)
124.	Black Stork	4	3	0	0	0	0	0	0	0	0	7	0.7	0	4 (2016)
125.	White Stork	5	12	5	13	5	0	4	5	6	0	55	5.5	1	13 (2019)
126.	Gannet	110	41	130	23	51	405	20	7	28	49	864	86	23	405 (2021)
127.	Cormorant	2102	4033	3938	7471	6846	2876	4801	2624	2256	1082	38029	3803	236	7471 (2019)
128.	Cormorant (p. c. carbo)	0	0	1	0	0	0	0	0	0	0	1	0.1	0	1 (2018)
129.	Spoonbill	105	346	461	378	399	418	383	275	230	95	3090	309	1	461 (2018)
130.	Bittern	0	0	0	0	2	0	0	0	3	0	5	0.5	0	3 (2024)
131.	Night Heron	0	2	0	0	0	2	0	0	0	0	4	0.4	0	2 (2017)
132.	Little Egret	0	3	1	4	2	2	2	3	4	0	21	2.1	0	4 (2019)
133.	Egretta sp.	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2019)
134.	Cattle Egret	0	0	0	1	0	1	2	1	1	0	6	0.6	0	2 (2022)
135.	Great White Egret	13	6	32	46	51	35	81	36	49	9	358	36	2	81 (2022)
136.	heron sp.	1	1	0	0	1	0	0	0	0	0	3	0.3	0	1 (2016)
137.	Grey Heron	168	249	412	369	458	155	369	243	290	105	2818	282	12	458 (2020)
138.	Purple Heron	6	6	18	12	13	6	19	13	13	0	106	11	0	19 (2022)
139.	Osprey	10	2	7	7	8	6	0	8	2	0	50	5	0	10 (2016)
140.	Honey Buzzard	2	5	4	0	2	1	2	0	5	0	21	2.1	0	5 (2017)
141.	Booted Eagle	0	0	0	0	2	0	0	0	0	0	2	0.2	0	2 (2020)
142.	Sparrowhawk	41	30	33	59	40	25	20	36	17	4	305	31	6	59 (2019)
143.	Goshawk	4	10	4	4	3	3	2	4	1	0	35	3.5	10	10 (2017)
144.	Marsh Harrier	43	101	102	93	133	81	84	63	81	15	796	80	4	133 (2020)
145.	Hen Harrier	5	2	2	7	11	5	3	4	7	4	50	5	1	11 (2020)
146.	Pallid Harrier	1	1	1	0	2	0	1	1	2	0	9	0.9	0	2 (2020)
147.	Montagu's Harrier	1	0	0	1	0	0	0	1	0	0	3	0.3	0	1 (2016)
148.	Montagu's/Pallid Harrier	0	1	0	0	0	1	0	0	0	0	2	0.2	0	1 (2017)
149.	Red Kite	1	1	3	0	1	2	2	2	2	0	14	1.4	0	3 (2018)
150.	Black Kite	2	1	1	4	3	3	2	3	0	0	19	1.9	0	4 (2019)
	Species	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025	Totals	Average	Present	Year Maximum
151.	White-tailed Eagle	1	0	2	1	3	0	0	0	0	0	7	0.7	0	3 (2020)
152.	Rough-legged Buzzard	0	0	0	0	0	0	1	0	0	0	1	0.1	0	1 (2022)
153.	Common Buzzard	39	7	11	20	22	5	5	21	16	0	146	15	51	39 (2016)
154.	Short-eared Owl	3	0	2	0	3	1	1	0	0	2	12	1.2	0	3 (2016)
155.	Hoopoe	1	0	0	1	0	1	0	0	0	0	3	0.3	0	1 (2016)
156.	Kingfisher	1	0	0	0	0	0	0	0	0	0	1	0.1	0	1 (2016)
157.	European Bee-eater	2	3	3	1	0	1	4	2	4	0	20	2	0	4 (2022)
158.	Lesser Spotted Woodpecker	0	2	0	2	1	0	0	0	0	0	5	0.5	0	2 (2017)
159.	Great Spotted Woodpecker	35	133	57	92	53	43	31	32	32	12	520	52	46	133 (2017)
160.	Green Woodpecker	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2020)
161.	Kestrel	38	35	23	41	47	22	35	39	18	4	302	30	23	47 (2020)
162.	falcon sp.	0	0	1	0	0	0	0	1	0	0	2	0.2	0	1 (2018)
163.	Red-footed Falcon	7	3	0	0	1	0	0	2	0	0	13	1.3	1	7 (2016)
164.	Merlin	5	4	7	12	19	9	8	7	6	0	77	7.7	0	19 (2020)
165.	Hobby	9	5	8	13	9	4	6	7	10	0	71	7.1	1	13 (2019)
166.	Saker Falcon	0	0	0	0	0	0	0	0	1	0	1	0.1	0	1 (2024)
167.	Peregrine	7	17	15	11	8	7	5	4	7	3	84	8.4	3	17 (2017)
168.	Rose-ringed Parakeet	0	0	0	5	4	0	0	4	1	0	14	1.4	0	5 (2019)
169.	Golden Oriole	5	6	13	4	11	15	5	21	13	0	93	9.3	0	21 (2023)
170.	Great Grey Shrike	1	0	0	1	0	0	0	0	0	0	2	0.2	0	1 (2016)
171.	Jay	31	13	4	203	15	20	59	5	2	0	352	35	8	203 (2019)
172.	Magpie	27	6	23	43	111	39	44	23	59	61	436	44	29	111 (2020)
173.	Jackdaw	1000	779	694	1947	601	1341	554	415	548	169	8048	805	15	1947 (2019)
174.	Rook	3	2	17	7	4	15	7	8	4	1	68	6.8	0	17 (2018)
175.	Carrion Crow	77	99	236	121	152	95	134	189	168	58	1329	133	87	236 (2018)
176.	Hooded Crow	0	0	2	0	0	1	2	0	1	0	6	0.6	0	2 (2018)
177.	Raven	2	4	1	3	2	0	3	5	2	0	22	2.2	0	5 (2023)
178.	Waxwing	2	0	0	0	0	0	0	0	5	0	7	0.7	0	5 (2024)
179.	Coal Tit	1	13	1	3	4	24	0	0	0	0	46	4.6	2	24 (2021)
180.	Crested Tit	0	0	0	0	0	0	0	0	3	0	3	0.3	0	3 (2024)
181.	Blue Tit	31	143	11	5542	52	171	22	10	7	10	5999	600	2	5542 (2019)
182.	Great Tit	49	85	51	104	37	90	11	25	7	4	463	46	7	104 (2019)
183.	Bearded Tit	0	0	0	0	0	5	0	0	0	0	5	0.5	0	5 (2021)
184.	Wood Lark	54	45	74	119	12	88	93	6	15	8	514	51	74	119 (2019)
185.	Skylark	291	144	391	1754	81	849	1021	11	47	28	4617	462	1	1754 (2019)
186.	Shore Lark	0	0	0	0	2	0	0	0	0	0	2	0.2	0	2 (2020)
187.	Sand Martin	332	406	146	918	935	535	323	505	233	3	4336	434	4	935 (2020)
188.	Swallow	3764	3490	3610	2903	2818	3882	1373	1907	1707	1	25455	2546	135	3882 (2021)
189.	House Martin	498	1022	573	569	372	394	245	408	409	0	4490	449	228	1022 (2017)
190.	Red-rumped Swallow	1	0	0	0	1	0	0	1	0	0	3	0.3	0	1 (2016)
191.	swallow sp.	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2023)
192.	Long-tailed Tit	20	12	12	12	1	0	0	0	0	0	57	5.7	0	20 (2016)
193.	Wood Warbler	0	1	0	1	0	0	0	1	0	0	3	0.3	0	1 (2017)
194.	Willow Warbler	1	2	1	4	8	2	3	0	2	0	23	2.3	7	8 (2020)
195.	Chiffchaff	21	16	32	13	24	11	11	9	13	21	171	17	14	32 (2018)
196.	Chiffchaff/Willow Warbler	0	1	5	4	17	11	18	2	4	0	62	6.2	0	18 (2022)
197.	Phylloscopus sp.	0	0	0	0	1	0	1	0	0	0	2	0.2	0	1 (2020)
198.	Icterine Warbler	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2023)
199.	Blackcap	3	0	0	6	7	6	1	1	0	0	24	2.4	2	7 (2020)
200.	Garden Warbler	0	0	1	0	0	0	0	1	0	0	2	0.2	0	1 (2018)
	Species	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025	Totals	Average	Present	Year Maximum
201.	Lesser Whitethroat	0	0	0	1	1	1	0	2	1	0	6	0.6	0	2 (2023)
202.	Whitethroat	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2020)
203.	Firecrest	1	0	0	6	1	5	0	1	0	0	14	1.4	0	6 (2019)
204.	Goldcrest	77	9	2	53	3	11	0	0	0	0	155	16	11	77 (2016)
205.	Nuthatch	0	1	0	3	1	1	0	0	0	0	6	0.6	0	3 (2019)
206.	Short-toed Tree Creeper	0	0	0	0	0	0	2	0	0	0	2	0.2	0	2 (2022)
207.	Crested Myna	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2020)
208.	Rose-coloured Starling	0	0	0	0	0	1	0	0	0	0	1	0.1	0	1 (2021)
209.	Starling	80364	162790	5744	78716	91072	147183	15202	36439	7706	1606	626822	62682	1489	162790 (2017)
210.	Purple Starling	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2023)
211.	Song Thrush	704	279	732	2790	615	513	1915	107	34	338	8027	803	24	2790 (2019)
212.	Mistle Thrush	62	80	158	131	36	87	140	22	66	43	825	83	22	158 (2018)
213.	Redwing	1274	45	797	5269	306	34185	1054	7	538	25	43500	4350	3	34185 (2021)
214.	Blackbird	67	13	17	42	8	60	59	3	4	2	275	28	19	67 (2016)
215.	Fieldfare	5900	21	31	22901	123	317	311	5	10	0	29619	2962	25	22901 (2019)
216.	Ring Ouzel	16	22	145	296	262	98	211	92	37	4	1183	118	44	296 (2019)
217.	thrush sp.	5	5	0	0	0	0	0	0	14	0	24	2.4	0	14 (2024)
218.	Spotted Flycatcher	58	16	56	14	39	7	9	10	76	0	285	29	14	76 (2024)
219.	Pied Flycatcher	0	0	0	1	0	0	0	1	2	0	4	0.4	0	2 (2024)
220.	Black Redstart	0	0	1	2	1	1	0	0	0	0	5	0.5	0	2 (2019)
221.	Redstart	0	0	0	1	0	0	0	0	1	0	2	0.2	0	1 (2019)
222.	Rock Thrush	1	0	0	0	0	0	0	0	0	0	1	0.1	0	1 (2016)
223.	Whinchat	3	1	0	2	0	1	0	1	3	0	11	1.1	0	3 (2016)
224.	Stonechat	0	1	0	0	0	1	1	1	0	0	4	0.4	3	1 (2017)
225.	Wheatear	15	3	15	37	40	11	5	10	8	0	144	14	1	40 (2020)
226.	Tree Sparrow	28	21	14	55	5	20	1	0	0	0	144	14	5	55 (2019)
227.	House Sparrow	23	28	22	43	57	10	7	1	0	0	191	19	12	57 (2020)
228.	Dunnock	38	79	44	106	27	51	33	12	24	7	421	42	33	106 (2019)
229.	Blue-headed Wagtail	152	39	288	336	419	20	32	196	11	0	1493	149	7	419 (2020)
230.	Yellow Wagtail (flavissima)	8	9	7	12	35	12	5	5	3	0	96	9.6	2	35 (2020)
231.	Grey-headed Wagtail	57	28	80	33	20	3	4	23	89	0	337	34	0	89 (2024)
232.	Yellow wagtail sp.	224	751	598	824	1304	735	635	372	432	0	5875	588	6	1304 (2020)
233.	Citrine Wagtail	0	1	1	1	0	0	0	0	0	0	3	0.3	0	1 (2017)
234.	Grey Wagtail	12	37	14	103	34	38	17	5	19	9	288	29	0	103 (2019)
235.	White Wagtail	122	810	594	275	222	124	289	92	87	170	2785	279	27	810 (2017)
236.	alba wagtail sp.	92	339	372	243	614	107	383	193	353	177	2873	287	5	614 (2020)
237.	Motacilla (wagtail) sp.	0	0	0	0	0	0	0	0	0	2	2	0.2	0	2 (2025)
238.	Pied Wagtail	15	13	19	12	5	7	9	4	13	14	111	11	0	19 (2018)
239.	Richard's Pipit	0	0	0	1	2	1	2	0	0	0	6	0.6	0	2 (2020)
240.	Tawny Pipit	0	0	0	1	1	0	0	0	0	0	2	0.2	0	1 (2019)
241.	Meadow Pipit	2114	7403	6712	27484	14747	11625	4752	9118	1990	406	86351	8635	81	27484 (2019)
242.	Tree Pipit	67	81	160	277	446	128	266	173	150	1	1749	175	3	446 (2020)
243.	Red-throated Pipit	0	1	0	0	0	0	1	0	0	0	2	0.2	0	1 (2017)
244.	Water Pipit	3	0	0	2	0	1	6	1	2	0	15	1.5	0	6 (2022)
245.	Rock Pipit	18	16	5	3	3	2	16	2	5	5	75	7.5	0	18 (2016)
246.	Rock Pipit/Water Pipit	4	1	7	14	8	4	11	6	3	4	62	6.2	0	14 (2019)
247.	pipit sp.	2	1	0	0	0	0	0	0	0	0	3	0.3	0	2 (2016)
248.	Chaffinch	4901	18338	1116	52507	12075	24804	6560	1404	1411	1741	124857	12486	1056	52507 (2019)
249.	Brambling	135	432	79	434	289	3542	590	382	173	20	6076	608	204	3542 (2021)
250.	Hawfinch	36	28	80	34	93	25	52	53	151	10	562	56	5	151 (2024)
	Species	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025	Totals	Average	Present	Year Maximum
251.	Bullfinch	0	3	7	7	0	1	1	3	1	1	24	2.4	0	7 (2018)
252.	Common Rosefinch	0	0	0	0	0	1	0	0	0	0	1	0.1	0	1 (2021)
253.	Greenfinch	192	202	339	320	214	98	114	52	49	27	1607	161	201	339 (2018)
254.	Linnet	355	1004	690	779	2239	643	461	481	369	117	7138	714	215	2239 (2020)
255.	Mealy Redpoll	0	0	0	0	0	0	0	0	1	0	1	0.1	0	1 (2024)
256.	Lesser Redpoll	6	5	4	1	0	2	0	4	0	0	22	2.2	0	6 (2016)
257.	redpoll sp.	11	64	33	42	10	100	13	78	187	5	543	54	1	187 (2024)
258.	Crossbill	139	705	27	304	248	284	89	255	4	0	2055	206	39	705 (2017)
259.	Goldfinch	104	190	161	285	266	126	156	192	138	86	1704	170	105	285 (2019)
260.	Serin	5	3	3	2	2	5	0	1	0	0	21	2.1	0	5 (2016)
261.	Siskin	1265	771	258	10918	224	5157	321	68	425	46	19453	1945	125	10918 (2019)
262.	Lapland Bunting	2	2	2	3	10	1	1	0	0	0	21	2.1	0	10 (2020)
263.	Snow Bunting	2	1	16	1	0	0	0	0	0	0	20	2	0	16 (2018)
264.	Yellowhammer	0	0	1	2	1	2	2	0	1	2	11	1.1	0	2 (2019)
265.	Ortolan Bunting	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2020)
266.	Little Bunting	0	0	0	0	0	0	1	0	0	0	1	0.1	0	1 (2022)
267.	Reed Bunting	123	142	240	274	150	155	313	25	143	39	1604	160	10	313 (2022)
268.	bunting sp.	0	0	0	2	0	0	0	0	0	0	2	0.2	0	2 (2019)
269.	passerine sp.	0	0	0	0	2	0	1	0	0	0	3	0.3	0	2 (2020)
	Other species
1.	Harbour Porpoise	6	0	0	2	2	1	0	0	5	0	16	1.6	0	6 (2016)
2.	Grey seal	2	0	0	0	0	0	0	0	0	0	2	0.2	0	2 (2016)
3.	Common Seal	1	0	0	0	0	0	0	0	0	0	1	0.1	0	1 (2016)
	Other species
1.	Small Tortoiseshell	0	1	0	0	0	0	1	0	0	0	2	0.2	0	1 (2017)
2.	Brimstone	0	3	1	4	4	0	0	1	1	0	14	1.4	0	4 (2019)
3.	European Peacock	0	1	2	0	0	0	0	1	1	0	5	0.5	0	2 (2018)
4.	Large White	2	0	0	6	1	0	0	0	0	0	9	0.9	0	6 (2019)
5.	Green-veined White	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2019)
6.	Small White	14	1	0	4	0	0	0	0	0	0	19	1.9	0	14 (2016)
7.	white sp. (butterfly)	22	0	0	3	1	0	0	0	0	0	26	2.6	0	22 (2016)
8.	Comma	0	0	0	0	0	0	1	0	0	0	1	0.1	0	1 (2022)
9.	Red Admiral	6	37	0	4	6	1	1	2	0	0	57	5.7	0	37 (2017)
10.	Painted Lady	0	0	0	45	0	0	0	0	0	0	45	4.5	10	45 (2019)
11.	Small Heath	0	0	0	2	0	0	0	0	0	0	2	0.2	0	2 (2019)
	Other species
1.	Bumblebee sp.	9	59	14	10	46	5	5	6	18	3	175	18	0	59 (2017)
	Species	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025	Totals	Average	Present	Year Maximum
	Totals	137968	241474	70936	264586	206689	292523	76537	101772	49719	18853	1461057	146106	7711
	Observation hours	194:17	272:45	304:23	312:34	291:43	220:32	208:10	217:32	171:33	48:45	2,242:14	224:13

Trektellen

Totals Berkheide (Katwijk) 2016 - 2025