Totals Berkheide (Katwijk) 2012 - 2021

	Species	2012	2013	2014	2015	2016	2017	2018	2019	2020	2021	Totals	Average	Present	Year Maximum
1.	Fulvous Whistling Duck	0	0	0	10	0	0	0	0	0	0	10	1	0	10 (2015)
2.	Dark-bellied Brent Goose	25	21	28	118	166	79	239	149	174	527	1526	153	1	527 (2021)
3.	Canada Goose	19	16	130	137	31	144	199	376	358	194	1604	160	2	376 (2019)
4.	Barnacle Goose	60	2260	1101	683	1234	2761	8796	4813	10434	5775	37917	3792	0	10434 (2020)
5.	Lesser Canada Goose	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2019)
6.	Bar-headed Goose	0	0	0	0	0	0	0	0	2	0	2	0.2	0	2 (2020)
7.	Greylag Goose	282	836	562	647	678	809	1013	1585	1069	465	7946	795	4	1585 (2019)
8.	Anser sp.	0	18	188	19	171	121	0	0	0	0	517	52	0	188 (2014)
9.	goose sp.	0	300	0	120	1211	26	225	1172	334	10791	14179	1418	0	10791 (2021)
10.	Domestic Goose	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2016)
11.	Pink-footed Goose	0	139	0	78	197	11	31	590	190	3442	4678	468	0	3442 (2021)
12.	Tundra Bean Goose	0	0	0	57	13	28	0	0	4	93	195	20	0	93 (2021)
13.	Bean Goose sp.	0	0	0	0	3	0	0	0	0	0	3	0.3	0	3 (2016)
14.	Eurasian White-fronted Goose	0	845	4	284	155	606	390	656	378	1541	4859	486	0	1541 (2021)
15.	Mute Swan	41	37	37	52	163	100	72	184	215	162	1063	106	11	215 (2020)
16.	Bewick's Swan	0	0	0	0	0	0	0	0	0	1	1	0.1	0	1 (2021)
17.	Whooper Swan	0	6	0	4	0	0	6	0	2	32	50	5	0	32 (2021)
18.	Egyptian Goose	35	28	159	103	138	128	91	213	339	219	1453	145	9	339 (2020)
19.	Shelduck	42	23	54	95	252	255	435	744	384	253	2537	254	8	744 (2019)
20.	Ruddy Shelduck	0	0	0	0	1	15	0	12	2	0	30	3	0	15 (2017)
21.	Garganey	0	0	0	0	0	5	4	0	7	6	22	2.2	0	7 (2020)
22.	Shoveler	25	370	193	50	120	274	175	243	520	320	2290	229	0	520 (2020)
23.	Gadwall	14	46	20	38	41	99	52	78	105	60	553	55	0	105 (2020)
24.	Wigeon	17	86	44	47	337	100	1272	539	230	490	3162	316	37	1272 (2018)
25.	American Wigeon	0	0	0	0	0	0	1	0	0	0	1	0.1	0	1 (2018)
26.	Mallard	19	10	15	24	14	58	46	60	81	17	344	34	0	81 (2020)
27.	Pintail	0	10	0	21	81	314	23	21	45	165	680	68	0	314 (2017)
28.	Teal	0	133	5	1	634	31	81	78	51	141	1155	116	0	634 (2016)
29.	duck sp.	0	0	0	40	54	71	38	0	19	4	226	23	0	71 (2017)
30.	Red-crested Pochard	0	0	15	3	18	7	24	11	0	5	83	8.3	3	24 (2018)
31.	Pochard	2	0	11	6	26	48	29	25	7	23	177	18	0	48 (2017)
32.	Tufted Duck	11	8	11	7	19	35	14	6	45	24	180	18	0	45 (2020)
33.	Scaup	0	0	0	0	9	0	1	0	0	30	40	4	0	30 (2021)
34.	Aythya sp.	0	0	0	0	58	0	0	0	0	0	58	5.8	0	58 (2016)
35.	Eider	0	14	3	29	73	51	81	102	142	82	577	58	0	142 (2020)
36.	Velvet Scoter	0	0	0	1	3	5	5	0	2	2	18	1.8	0	5 (2017)
37.	Common Scoter	2	107	361	201	618	2210	1119	500	674	1720	7512	751	66	2210 (2017)
38.	scoter sp.	0	0	0	0	2	9	0	0	0	0	11	1.1	0	9 (2017)
39.	Long-tailed Duck	0	0	0	0	0	0	0	0	0	1	1	0.1	0	1 (2021)
40.	Goldeneye	0	1	0	2	1	8	0	2	6	2	22	2.2	0	8 (2017)
41.	Smew	0	0	0	0	0	0	3	0	0	24	27	2.7	0	24 (2021)
42.	Goosander	0	2	0	3	3	8	28	21	14	17	96	9.6	0	28 (2018)
43.	Red-breasted Merganser	0	39	4	4	67	59	82	31	97	78	461	46	0	97 (2020)
44.	Alpine Swift	0	0	0	0	0	0	0	0	0	1	1	0.1	0	1 (2021)
45.	Swift	7345	374	1099	1445	1934	11043	6648	9961	16739	3970	60558	6056	555	16739 (2020)
46.	Cuckoo	8	5	8	4	23	11	14	9	9	5	96	9.6	20	23 (2016)
47.	Stock Dove	35	191	189	86	137	152	185	215	246	96	1532	153	78	246 (2020)
48.	Woodpigeon	816	3690	814	2202	3163	1668	5163	1739	2989	2260	24504	2450	414	5163 (2018)
49.	Turtle Dove	0	2	7	0	3	1	2	4	3	1	23	2.3	0	7 (2014)
50.	Collared Dove	114	43	101	83	100	118	161	121	144	69	1054	105	7	161 (2018)
	Species	2012	2013	2014	2015	2016	2017	2018	2019	2020	2021	Totals	Average	Present	Year Maximum
51.	Crane	0	3	2	0	0	0	17	0	0	0	22	2.2	0	17 (2018)
52.	Great Crested Grebe	0	27	1	62	148	20	69	150	50	135	662	66	243	150 (2019)
53.	Oystercatcher	123	88	195	211	420	327	735	318	429	433	3279	328	10	735 (2018)
54.	Avocet	2	6	5	0	18	10	27	1	86	14	169	17	0	86 (2020)
55.	Lapwing	84	2052	53	481	241	110	1154	90	94	256	4615	462	44	2052 (2013)
56.	Golden Plover	69	92	8	9	10	87	250	21	31	57	634	63	0	250 (2018)
57.	Grey Plover	14	19	3	1	29	139	14	16	15	175	425	43	0	175 (2021)
58.	Ringed Plover	30	16	15	8	20	44	103	200	59	18	513	51	0	200 (2019)
59.	Little Ringed Plover	2	4	13	7	15	18	27	15	22	18	141	14	9	27 (2018)
60.	Dotterel	4	0	4	0	1	5	1	22	2	0	39	3.9	0	22 (2019)
61.	Whimbrel	26	38	357	34	159	284	403	397	1486	633	3817	382	4	1486 (2020)
62.	Curlew	59	140	33	64	110	86	105	276	168	75	1116	112	1	276 (2019)
63.	Bar-tailed Godwit	2	18	10	1	41	62	22	13	36	121	326	33	0	121 (2021)
64.	Black-tailed Godwit	7	30	13	8	12	24	41	21	20	1	177	18	0	41 (2018)
65.	Icelandic Black-tailed Godwit	0	0	0	0	0	0	1	0	0	1	2	0.2	0	1 (2018)
66.	Turnstone	0	0	1	0	2	3	1	0	1	0	8	0.8	0	3 (2017)
67.	Knot	30	0	0	0	29	28	19	43	78	14	241	24	0	78 (2020)
68.	Ruff	27	16	9	26	12	67	68	0	58	1	284	28	0	68 (2018)
69.	wader sp.	0	0	22	6	33	82	50	18	137	192	540	54	0	192 (2021)
70.	Temminck's Stint	0	0	0	0	0	6	0	0	0	0	6	0.6	0	6 (2017)
71.	Sanderling	0	38	12	24	53	82	0	15	67	48	339	34	50	82 (2017)
72.	Dunlin	0	66	30	258	317	26	24	131	33	137	1022	102	0	317 (2016)
73.	Purple Sandpiper	0	0	0	0	3	0	0	0	0	0	3	0.3	0	3 (2016)
74.	Little Stint	0	0	0	0	0	6	0	0	0	0	6	0.6	0	6 (2017)
75.	Calidris sp.	0	0	0	0	0	53	0	3	13	28	97	9.7	0	53 (2017)
76.	Woodcock	0	0	0	1	3	2	0	1	1	2	10	1	0	3 (2016)
77.	Jack Snipe	0	0	0	0	1	0	0	1	0	0	2	0.2	0	1 (2016)
78.	Snipe	1	28	34	48	19	39	58	54	60	32	373	37	1	60 (2020)
79.	Common Sandpiper	0	0	1	0	0	0	1	3	0	2	7	0.7	0	3 (2019)
80.	Green Sandpiper	20	28	125	25	14	91	53	119	210	83	768	77	0	210 (2020)
81.	Redshank	39	67	148	8	28	165	58	107	199	37	856	86	1	199 (2020)
82.	Wood Sandpiper	1	0	16	0	3	4	15	7	13	3	62	6.2	0	16 (2014)
83.	Spotted Redshank	0	8	18	1	1	7	6	8	3	1	53	5.3	0	18 (2014)
84.	Greenshank	29	13	127	4	36	151	29	49	66	35	539	54	0	151 (2017)
85.	Kittiwake	0	0	0	105	2	3	2	0	0	4	116	12	0	105 (2015)
86.	Black-headed Gull	1396	2133	793	1441	7439	3659	4060	2184	3657	2563	29325	2933	64	7439 (2016)
87.	Little Gull	17	151	272	20	317	51	130	924	1911	5638	9431	943	54	5638 (2021)
88.	Mediterranean Gull	5	2	9	10	5	13	58	23	150	24	299	30	0	150 (2020)
89.	Common Gull	5	280	689	122	1860	1380	520	317	1343	403	6919	692	79	1860 (2016)
90.	Great Black-backed Gull	1	12	31	290	109	98	24	42	107	57	771	77	141	290 (2015)
91.	Glaucous Gull	0	0	3	0	0	2	1	1	0	0	7	0.7	0	3 (2014)
92.	Iceland Gull	0	0	0	1	0	2	0	1	1	0	5	0.5	0	2 (2017)
93.	Herring Gull	46	375	100	3434	1527	2013	813	876	2121	779	12084	1208	1822	3434 (2015)
94.	Yellow-legged Gull	0	0	0	0	0	1	0	0	0	0	1	0.1	1	1 (2017)
95.	Lesser Black-backed Gull	345	1454	960	1708	3786	2192	3306	2902	8465	1633	26751	2675	450	8465 (2020)
96.	Gull-billed Tern	0	0	0	0	0	2	2	0	2	1	7	0.7	0	2 (2017)
97.	Caspian Tern	0	1	0	0	0	0	0	0	0	1	2	0.2	0	1 (2013)
98.	Sandwich Tern	7	9	87	32	200	705	321	667	994	404	3426	343	45	994 (2020)
99.	Little Tern	0	0	0	1	50	33	21	18	78	14	215	22	0	78 (2020)
100.	Common Tern	50	88	144	230	558	344	349	585	7741	985	11074	1107	53	7741 (2020)
	Species	2012	2013	2014	2015	2016	2017	2018	2019	2020	2021	Totals	Average	Present	Year Maximum
101.	Arctic Tern	0	0	0	0	11	0	4	30	32	45	122	12	0	45 (2021)
102.	Common/Arctic Tern	9	11	0	0	13	895	0	112	403	156	1599	160	10	895 (2017)
103.	Black Tern	1	0	15	1	11	42	0	24	237	8	339	34	0	237 (2020)
104.	Great Skua	0	0	0	2	0	1	0	0	0	0	3	0.3	0	2 (2015)
105.	Arctic Skua	0	0	0	0	0	0	0	3	1	2	6	0.6	0	3 (2019)
106.	skua sp.	0	0	1	0	0	0	0	0	0	0	1	0.1	0	1 (2014)
107.	Guillemot	0	0	0	0	0	1	0	0	0	5	6	0.6	1	5 (2021)
108.	Razorbill	0	0	0	1	0	0	1	0	0	0	2	0.2	0	1 (2015)
109.	Razorbill/Guillemot	0	0	0	22	19	26	196	316	21	554	1154	115	2	554 (2021)
110.	Red-throated Diver	0	4	2	27	475	224	135	142	110	1544	2663	266	25	1544 (2021)
111.	Black-throated Diver	0	0	0	2	2	0	2	0	0	1	7	0.7	1	2 (2015)
112.	Great Northern Diver	0	0	0	0	1	0	0	0	0	1	2	0.2	0	1 (2016)
113.	diver sp.	0	5	1	0	2	1	2	0	2	2	15	1.5	0	5 (2013)
114.	Leach's Petrel	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2015)
115.	Fulmar	0	0	0	0	1	0	0	0	1	1	3	0.3	0	1 (2016)
116.	Black Stork	0	0	0	0	4	3	0	0	0	0	7	0.7	0	4 (2016)
117.	White Stork	9	1	6	2	5	12	5	13	5	0	58	5.8	1	13 (2019)
118.	Gannet	5	57	18	146	110	41	130	23	51	405	986	99	28	405 (2021)
119.	Cormorant	595	1735	1515	2613	2102	4033	3938	7471	6846	2876	33724	3372	601	7471 (2019)
120.	Cormorant (p. c. carbo)	0	0	0	0	0	0	1	0	0	0	1	0.1	0	1 (2018)
121.	Spoonbill	23	118	221	64	105	346	461	378	399	418	2533	253	1	461 (2018)
122.	Bittern	0	0	9	0	0	0	0	0	2	0	11	1.1	2	9 (2014)
123.	Night Heron	0	0	0	0	0	2	0	0	0	2	4	0.4	0	2 (2017)
124.	Cattle Egret	0	0	0	0	0	0	0	1	0	1	2	0.2	0	1 (2019)
125.	Grey Heron	50	139	190	83	168	249	412	369	458	155	2273	227	8	458 (2020)
126.	Purple Heron	1	1	0	3	6	6	18	12	13	6	66	6.6	0	18 (2018)
127.	Great White Egret	5	9	16	6	13	6	32	46	51	35	219	22	2	51 (2020)
128.	heron sp.	0	0	0	0	1	1	0	0	1	0	3	0.3	0	1 (2016)
129.	Little Egret	0	1	1	2	0	3	1	4	2	2	16	1.6	0	4 (2019)
130.	Egretta sp.	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2019)
131.	Osprey	5	2	4	2	10	2	7	7	8	6	53	5.3	0	10 (2016)
132.	Honey Buzzard	4	0	14	0	2	5	4	0	2	1	32	3.2	0	14 (2014)
133.	Booted Eagle	0	0	0	0	0	0	0	0	2	0	2	0.2	0	2 (2020)
134.	Sparrowhawk	23	39	16	26	41	30	33	59	40	25	332	33	6	59 (2019)
135.	Goshawk	3	4	3	3	4	10	4	4	3	3	41	4.1	12	10 (2017)
136.	Marsh Harrier	22	38	80	10	43	101	102	93	133	81	703	70	4	133 (2020)
137.	Hen Harrier	3	3	4	2	5	2	2	7	11	5	44	4.4	1	11 (2020)
138.	Pallid Harrier	0	0	0	0	1	1	1	0	2	0	5	0.5	0	2 (2020)
139.	Montagu's Harrier	0	0	0	0	1	0	0	1	0	0	2	0.2	0	1 (2016)
140.	Montagu's/Pallid Harrier	0	0	0	0	0	1	0	0	0	1	2	0.2	0	1 (2017)
141.	Red Kite	1	0	0	0	1	1	3	0	1	2	9	0.9	0	3 (2018)
142.	Black Kite	1	4	4	1	2	1	1	4	3	3	24	2.4	0	4 (2013)
143.	White-tailed Eagle	0	1	0	1	1	0	2	1	3	0	9	0.9	0	3 (2020)
144.	Rough-legged Buzzard	0	1	0	0	0	0	0	0	0	0	1	0.1	0	1 (2013)
145.	Common Buzzard	44	21	17	19	39	7	11	20	22	5	205	21	61	44 (2012)
146.	Short-eared Owl	0	0	4	0	3	0	2	0	3	1	13	1.3	0	4 (2014)
147.	Hoopoe	0	0	0	1	1	0	0	1	0	1	4	0.4	0	1 (2015)
148.	Kingfisher	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2016)
149.	European Bee-eater	0	0	1	0	2	3	3	1	0	1	11	1.1	0	3 (2017)
150.	Lesser Spotted Woodpecker	0	0	0	0	0	2	0	2	1	0	5	0.5	0	2 (2017)
	Species	2012	2013	2014	2015	2016	2017	2018	2019	2020	2021	Totals	Average	Present	Year Maximum
151.	Great Spotted Woodpecker	29	27	66	33	35	133	57	92	53	43	568	57	39	133 (2017)
152.	Green Woodpecker	0	1	0	0	0	0	0	0	1	0	2	0.2	0	1 (2013)
153.	Kestrel	10	3	25	17	38	35	23	41	47	22	261	26	22	47 (2020)
154.	Red-footed Falcon	0	0	0	0	7	3	0	0	1	0	11	1.1	1	7 (2016)
155.	Merlin	3	3	10	3	5	4	7	12	19	9	75	7.5	0	19 (2020)
156.	Hobby	10	4	3	2	9	5	8	13	9	4	67	6.7	3	13 (2019)
157.	Peregrine	1	4	6	1	7	17	15	11	8	7	77	7.7	3	17 (2017)
158.	falcon sp.	0	0	0	1	0	0	1	0	0	0	2	0.2	0	1 (2015)
159.	Rose-ringed Parakeet	3	0	15	0	0	0	0	5	4	0	27	2.7	0	15 (2014)
160.	Red-backed Shrike	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2015)
161.	Great Grey Shrike	0	0	0	0	1	0	0	1	0	0	2	0.2	0	1 (2016)
162.	Golden Oriole	4	1	9	1	5	6	13	4	11	15	69	6.9	1	15 (2021)
163.	Jay	11	28	111	15	31	13	4	203	15	20	451	45	12	203 (2019)
164.	Magpie	12	18	24	24	27	6	23	43	111	39	327	33	48	111 (2020)
165.	Jackdaw	281	1648	456	337	1000	779	694	1947	601	1341	9084	908	13	1947 (2019)
166.	Rook	2	4	11	2	3	2	17	7	4	15	67	6.7	0	17 (2018)
167.	Carrion Crow	30	50	153	69	77	99	236	121	152	95	1082	108	102	236 (2018)
168.	Hooded Crow	0	1	0	0	0	0	2	0	0	1	4	0.4	0	2 (2018)
169.	Raven	2	0	0	2	2	4	1	3	2	0	16	1.6	0	4 (2017)
170.	Waxwing	0	0	0	1	2	0	0	0	0	0	3	0.3	0	2 (2016)
171.	Coal Tit	0	4	0	7	1	13	1	3	4	24	57	5.7	2	24 (2021)
172.	Blue Tit	22	12	30	79	31	143	11	5542	52	171	6093	609	2	5542 (2019)
173.	Great Tit	6	27	21	37	49	85	51	104	37	90	507	51	7	104 (2019)
174.	Bearded Tit	0	12	0	0	0	0	0	0	0	5	17	1.7	0	12 (2013)
175.	Wood Lark	0	83	46	48	54	45	74	119	12	88	569	57	67	119 (2019)
176.	Skylark	8	1749	726	1242	291	144	391	1754	81	849	7235	724	1	1754 (2019)
177.	Shore Lark	0	0	0	0	0	0	0	0	2	0	2	0.2	0	2 (2020)
178.	Short-toed Lark	0	1	0	0	0	0	0	0	0	0	1	0.1	0	1 (2013)
179.	Sand Martin	141	67	201	97	332	406	146	918	935	535	3778	378	4	935 (2020)
180.	Swallow	2399	1150	1816	1338	3764	3490	3610	2903	2818	3882	27170	2717	126	3882 (2021)
181.	House Martin	1144	202	308	199	498	1022	573	569	372	394	5281	528	225	1144 (2012)
182.	Red-rumped Swallow	2	1	0	0	1	0	0	0	1	0	5	0.5	0	2 (2012)
183.	Long-tailed Tit	13	37	0	54	20	12	12	12	1	0	161	16	0	54 (2015)
184.	Wood Warbler	0	0	0	0	0	1	0	1	0	0	2	0.2	0	1 (2017)
185.	Willow Warbler	1	1	1	0	1	2	1	4	8	2	21	2.1	3	8 (2020)
186.	Chiffchaff	2	15	27	9	21	16	32	13	24	11	170	17	10	32 (2018)
187.	Chiffchaff/Willow Warbler	0	14	5	0	0	1	5	4	17	11	57	5.7	0	17 (2020)
188.	Phylloscopus sp.	0	0	0	0	0	0	0	0	1	0	1	0.1	0	1 (2020)
189.	Blackcap	0	1	13	0	3	0	0	6	7	6	36	3.6	2	13 (2014)
190.	Garden Warbler	0	0	0	0	0	0	1	0	0	0	1	0.1	0	1 (2018)
191.	Lesser Whitethroat	0	0	0	0	0	0	0	1	1	1	3	0.3	0	1 (2019)
192.	Whitethroat	0	0	0	0	0	0	0	0	1	0	1	0.1	0	1 (2020)
193.	Firecrest	0	4	7	0	1	0	0	6	1	5	24	2.4	0	7 (2014)
194.	Goldcrest	1	6	3	55	77	9	2	53	3	11	220	22	11	77 (2016)
195.	Nuthatch	0	0	0	0	0	1	0	3	1	1	6	0.6	0	3 (2019)
196.	Short-toed Tree Creeper	1	0	0	0	0	0	0	0	0	0	1	0.1	0	1 (2012)
197.	Crested Myna	0	0	0	0	0	0	0	0	1	0	1	0.1	0	1 (2020)
198.	Rose-coloured Starling	0	0	0	0	0	0	0	0	0	1	1	0.1	0	1 (2021)
199.	Starling	1307	31189	21380	50637	80364	162790	5744	78716	91072	147183	670382	67038	1496	162790 (2017)
200.	Song Thrush	13	349	847	81	704	279	732	2790	615	513	6923	692	19	2790 (2019)
	Species	2012	2013	2014	2015	2016	2017	2018	2019	2020	2021	Totals	Average	Present	Year Maximum
201.	Mistle Thrush	27	232	43	45	62	80	158	131	36	87	901	90	19	232 (2013)
202.	Redwing	2	2072	59	1127	1274	45	797	5269	306	34185	45136	4514	2	34185 (2021)
203.	Blackbird	1	63	15	52	67	13	17	42	8	60	338	34	19	67 (2016)
204.	Fieldfare	0	69	297	6506	5900	21	31	22901	123	317	36165	3617	48	22901 (2019)
205.	Ring Ouzel	5	25	63	8	16	22	145	296	262	98	940	94	34	296 (2019)
206.	thrush sp.	0	0	6	0	5	5	0	0	0	0	16	1.6	0	6 (2014)
207.	Spotted Flycatcher	2	2	36	2	58	16	56	14	39	7	232	23	10	58 (2016)
208.	Pied Flycatcher	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2019)
209.	Black Redstart	0	1	0	0	0	0	1	2	1	1	6	0.6	0	2 (2019)
210.	Redstart	0	0	2	1	0	0	0	1	0	0	4	0.4	1	2 (2014)
211.	Rock Thrush	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2016)
212.	Whinchat	0	0	0	0	3	1	0	2	0	1	7	0.7	0	3 (2016)
213.	Stonechat	0	0	0	1	0	1	0	0	0	1	3	0.3	1	1 (2015)
214.	Wheatear	0	3	13	2	15	3	15	37	40	11	139	14	2	40 (2020)
215.	Tree Sparrow	29	44	70	25	28	21	14	55	5	20	311	31	5	70 (2014)
216.	House Sparrow	0	12	4	21	23	28	22	43	57	10	220	22	22	57 (2020)
217.	Dunnock	20	19	58	43	38	79	44	106	27	51	485	49	30	106 (2019)
218.	Blue-headed Wagtail	77	60	237	18	152	39	288	336	419	20	1646	165	11	419 (2020)
219.	Yellow Wagtail (flavissima)	5	1	17	2	8	9	7	12	35	12	108	11	2	35 (2020)
220.	Grey-headed Wagtail	5	13	3	0	57	28	80	33	20	3	242	24	0	80 (2018)
221.	Yellow wagtail sp.	171	100	242	103	224	751	598	824	1304	735	5052	505	6	1304 (2020)
222.	Citrine Wagtail	0	0	1	0	0	1	1	1	0	0	4	0.4	0	1 (2014)
223.	Grey Wagtail	1	21	33	14	12	37	14	103	34	38	307	31	0	103 (2019)
224.	White Wagtail	63	229	278	312	122	810	594	275	222	124	3029	303	22	810 (2017)
225.	alba wagtail sp.	39	270	382	138	92	339	372	243	614	107	2596	260	1	614 (2020)
226.	Pied Wagtail	5	22	20	8	15	13	19	12	5	7	126	13	0	22 (2013)
227.	Richard's Pipit	0	0	0	0	0	0	0	1	2	1	4	0.4	0	2 (2020)
228.	Tawny Pipit	2	0	1	0	0	0	0	1	1	0	5	0.5	0	2 (2012)
229.	Meadow Pipit	929	2135	20227	1737	2114	7403	6712	27484	14747	11625	95113	9511	86	27484 (2019)
230.	Tree Pipit	51	18	166	31	67	81	160	277	446	128	1425	143	5	446 (2020)
231.	Tree Pipit/Olive-backed Pipit	0	1	0	0	0	0	0	0	0	0	1	0.1	0	1 (2013)
232.	Red-throated Pipit	0	1	0	0	0	1	0	0	0	0	2	0.2	0	1 (2013)
233.	Water Pipit	0	0	0	2	3	0	0	2	0	1	8	0.8	0	3 (2016)
234.	Rock Pipit	0	4	1	4	18	16	5	3	3	2	56	5.6	0	18 (2016)
235.	Rock Pipit/Water Pipit	2	13	4	8	4	1	7	14	8	4	65	6.5	0	14 (2019)
236.	pipit sp.	0	0	0	0	2	1	0	0	0	0	3	0.3	0	2 (2016)
237.	Chaffinch	113	24338	10831	11965	4901	18338	1116	52507	12075	24804	160988	16099	535	52507 (2019)
238.	Brambling	17	158	93	322	135	432	79	434	289	3542	5501	550	237	3542 (2021)
239.	Hawfinch	111	28	39	44	36	28	80	34	93	25	518	52	10	111 (2012)
240.	Bullfinch	0	3	0	2	0	3	7	7	0	1	23	2.3	1	7 (2018)
241.	Common Rosefinch	0	0	0	0	0	0	0	0	0	1	1	0.1	0	1 (2021)
242.	Greenfinch	36	118	93	353	192	202	339	320	214	98	1965	197	302	353 (2015)
243.	Linnet	168	165	842	306	355	1004	690	779	2239	643	7191	719	218	2239 (2020)
244.	Lesser Redpoll	2	1	15	1	6	5	4	1	0	2	37	3.7	0	15 (2014)
245.	redpoll sp.	18	11	113	2	11	64	33	42	10	100	404	40	6	113 (2014)
246.	Crossbill	86	91	28	192	139	705	27	304	248	284	2104	210	32	705 (2017)
247.	crossbill sp.	0	2	0	0	0	0	0	0	0	0	2	0.2	0	2 (2013)
248.	Goldfinch	50	59	123	137	104	190	161	285	266	126	1501	150	97	285 (2019)
249.	Serin	2	0	0	1	5	3	3	2	2	5	23	2.3	0	5 (2016)
250.	Siskin	55	212	280	3818	1265	771	258	10918	224	5157	22958	2296	51	10918 (2019)
	Species	2012	2013	2014	2015	2016	2017	2018	2019	2020	2021	Totals	Average	Present	Year Maximum
251.	Lapland Bunting	1	2	4	2	2	2	2	3	10	1	29	2.9	0	10 (2020)
252.	Snow Bunting	0	2	6	3	2	1	16	1	0	0	31	3.1	0	16 (2018)
253.	Yellowhammer	0	0	0	1	0	0	1	2	1	2	7	0.7	0	2 (2019)
254.	Ortolan Bunting	0	1	0	0	0	0	0	0	1	0	2	0.2	0	1 (2013)
255.	Reed Bunting	12	200	105	282	123	142	240	274	150	155	1683	168	9	282 (2015)
256.	bunting sp.	0	0	0	0	0	0	0	2	0	0	2	0.2	0	2 (2019)
257.	passerine sp.	0	1	0	0	0	0	0	0	2	0	3	0.3	0	2 (2020)
	Other species
1.	Harbour Porpoise	0	3	0	1	6	0	0	2	2	1	15	1.5	0	6 (2016)
2.	Grey seal	0	0	0	1	2	0	0	0	0	0	3	0.3	0	2 (2016)
3.	Common Seal	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2016)
4.	Common Noctule	0	2	0	1	0	0	0	0	0	0	3	0.3	0	2 (2013)
	Other species
1.	Small Tortoiseshell	0	0	0	0	0	1	0	0	0	0	1	0.1	0	1 (2017)
2.	Brimstone	0	0	0	0	0	3	1	4	4	0	12	1.2	0	4 (2019)
3.	European Peacock	0	0	0	0	0	1	2	0	0	0	3	0.3	0	2 (2018)
4.	Large White	0	0	0	0	2	0	0	6	1	0	9	0.9	0	6 (2019)
5.	Green-veined White	0	0	0	4	0	0	0	1	0	0	5	0.5	0	4 (2015)
6.	Small White	0	0	0	0	14	1	0	4	0	0	19	1.9	0	14 (2016)
7.	white sp. (butterfly)	0	0	0	0	22	0	0	3	1	0	26	2.6	0	22 (2016)
8.	Red Admiral	0	4	1	0	6	37	0	4	6	1	59	5.9	0	37 (2017)
9.	Painted Lady	0	0	0	0	0	0	0	45	0	0	45	4.5	10	45 (2019)
10.	Small Heath	0	0	0	0	0	0	0	2	0	0	2	0.2	0	2 (2019)
	Other species
1.	Bumblebee sp.	0	0	66	4	9	59	14	10	46	5	213	21	0	66 (2014)
	Species	2012	2013	2014	2015	2016	2017	2018	2019	2020	2021	Totals	Average	Present	Year Maximum
	Totals	19722	86703	72885	100469	137968	241474	70936	264586	206689	292523	1493955	149396	9106
	Observation hours	78:20	113:10	168:30	143:05	194:17	272:45	304:23	312:34	291:43	220:32	2,099:19	209:56

Trektellen

Totals Berkheide (Katwijk) 2012 - 2021