Totals Berkheide (Katwijk) 2025

Year
Period
count-field
Also present

	Species	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Dark-bellied Brent Goose	0	11	43	75	0	0	0	0	0	129	33	96	40 (10 May)	12	7	20 Mar	10 May
2.	Canada Goose	6	91	28	1	0	0	21	0	12	159	75	84	33 (2 Mar)	38	22	25 Feb	18 Oct
3.	Barnacle Goose	0	1657	2638	1576	0	0	0	0	0	5871	444	5427	1126 (20 Mar)	66	38	2 Mar	20 May
4.	Greylag Goose	22	419	144	73	0	6	87	30	69	850	360	490	92 (8 Mar)	71	41	17 Feb	18 Oct
5.	goose sp.	1200	1019	314	830	0	0	75	0	0	3438	39	3399	1200 (17 Feb)	17	10	17 Feb	26 Aug
6.	Pink-footed Goose	0	7	0	0	0	0	0	0	26	33	26	7	26 (18 Oct)	3	2	20 Mar	18 Oct
7.	Tundra Bean Goose	0	3	0	0	0	0	0	0	0	3	0	3	3 (20 Mar)	2	1	20 Mar	20 Mar
8.	Eurasian White-fronted Goose	6	3	0	0	0	0	0	0	0	9	0	9	6 (17 Feb)	3	2	17 Feb	7 Mar
9.	Mute Swan	0	0	14	19	0	0	0	0	4	37	20	17	8 (11 May)	19	11	12 Apr	18 Oct
10.	Egyptian Goose	0	131	168	18	0	3	7	0	27	354	99	255	44 (15 Apr)	43	25	2 Mar	18 Oct
11.	Shelduck	0	33	82	61	0	0	52	0	1	229	46	183	49 (19 Aug)	48	28	8 Mar	18 Oct
12.	Ruddy Shelduck	0	0	0	1	0	0	0	0	0	1	0	1	1 (11 May)	2	1	11 May	11 May
13.	Shoveler	0	181	277	2	0	0	0	0	0	460	48	412	176 (12 Apr)	26	15	8 Mar	11 May
14.	Gadwall	0	8	11	22	0	7	3	0	0	51	9	42	10 (19 May)	26	15	8 Mar	12 Aug
15.	Wigeon	0	44	0	0	0	0	0	0	3	47	33	14	30 (2 Mar)	7	4	2 Mar	18 Oct
16.	Mallard	0	4	1	3	0	0	0	0	0	8	2	6	3 (19 Mar)	9	5	19 Mar	19 May
17.	Pintail	0	17	0	0	0	0	0	0	0	17	0	17	8 (8 Mar)	5	3	8 Mar	22 Mar
18.	Teal	0	15	19	0	0	0	1	0	0	35	1	34	15 (8 Mar)	9	5	8 Mar	19 Aug
19.	Red-crested Pochard	0	0	9	2	0	0	0	0	0	11	0	11	9 (4 Apr)	5	3	4 Apr	11 May
20.	Pochard	0	0	2	16	0	0	0	0	0	18	0	18	5 (10 May)	12	7	19 Apr	12 May
21.	Tufted Duck	0	0	0	10	0	0	2	0	0	12	0	12	4 (11 May)	7	4	10 May	12 Aug
22.	Eider	0	41	15	15	0	0	0	0	0	71	33	38	18 (21 Mar)	28	16	2 Mar	13 May
23.	Common Scoter	0	30	104	58	0	0	1	0	1	194	55	139	46 (10 May)	36	21	2 Mar	20 Oct
24.	Goldeneye	0	4	0	0	0	0	0	0	0	4	2	2	4 (9 Mar)	2	1	9 Mar	9 Mar
25.	Goosander	2	12	1	0	0	0	0	0	0	15	8	7	6 (8 Mar)	10	6	17 Feb	6 Apr
26.	Red-breasted Merganser	0	1	20	6	0	0	0	0	2	29	9	20	8 (19 Apr)	14	8	21 Mar	15 Oct
27.	Swift	0	0	304	3190	331	201	6	0	0	4032	86	3946	885 (11 May)	33	19	23 Apr	19 Aug
28.	Cuckoo	0	0	2	5	2	0	0	0	0	9	2	7	2 (12 May)	12	7	27 Apr	17 Jun
29.	Stock Dove	6	37	24	6	0	0	1	0	0	74	10	64	11 (6 Mar)	43	25	17 Feb	26 Aug
30.	Woodpigeon	2	2923	1480	249	0	0	1	0	919	5574	1267	4307	1352 (19 Mar)	74	43	25 Feb	20 Oct
	Species	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
31.	Turtle Dove	0	0	0	1	0	0	0	0	0	1	0	1	1 (12 May)	2	1	12 May	12 May
32.	Collared Dove	0	4	16	12	0	0	1	0	0	33	3	30	5 (30 Apr)	31	18	5 Mar	26 Aug
33.	Great Crested Grebe	0	9	0	0	0	0	0	0	0	9	4	5	5 (8 Mar)	5	3	7 Mar	19 Mar
34.	Oystercatcher	0	13	198	198	4	2	2	0	0	417	197	220	70 (11 May)	45	26	2 Mar	19 Aug
35.	Avocet	0	38	7	4	0	0	0	0	0	49	2	47	21 (8 Mar)	10	6	8 Mar	11 May
36.	Grey Plover	0	0	5	36	0	0	0	0	0	41	0	41	13 (11 May)	16	9	5 Apr	20 May
37.	Golden Plover	0	2	18	0	0	0	0	3	0	23	3	20	18 (4 Apr)	7	4	8 Mar	7 Sep
38.	Dotterel	0	0	1	0	0	0	0	0	0	1	0	1	1 (30 Apr)	2	1	30 Apr	30 Apr
39.	Ringed Plover	0	6	0	127	0	0	1	0	0	134	0	134	47 (19 May)	12	7	21 Mar	26 Aug
40.	Little Ringed Plover	0	2	25	3	0	0	0	0	0	30	9	21	8 (12 Apr)	19	11	22 Mar	12 May
41.	Lapwing	5	23	39	30	4	16	0	0	0	117	48	69	16 (19 Jul)	52	30	26 Feb	19 Jul
42.	Whimbrel	0	0	435	94	1	3	0	0	0	533	6	527	82 (12 Apr)	41	24	3 Apr	26 Jul
43.	Curlew	0	6	54	0	2	7	25	2	0	96	31	65	36 (7 Apr)	28	16	9 Mar	7 Sep
44.	Bar-tailed Godwit	0	0	26	4	0	0	0	0	0	30	0	30	10 (27 Apr)	12	7	19 Apr	8 May
45.	Black-tailed Godwit	0	1	0	0	0	0	0	0	0	1	0	1	1 (21 Mar)	2	1	21 Mar	21 Mar
46.	Snipe	1	8	103	0	0	2	44	0	11	169	24	145	57 (4 Apr)	33	19	17 Feb	20 Oct
47.	Green Sandpiper	0	2	215	1	0	16	10	0	0	244	22	222	67 (4 Apr)	36	21	19 Mar	26 Aug
48.	Wood Sandpiper	0	0	7	2	0	1	1	0	0	11	1	10	4 (30 Apr)	10	6	15 Apr	11 Aug
49.	Redshank	0	9	63	54	1	0	0	0	0	127	2	125	31 (6 Apr)	28	16	8 Mar	21 Jun
50.	Spotted Redshank	0	0	5	11	0	0	1	0	0	17	1	16	11 (9 May)	5	3	30 Apr	12 Aug
51.	Greenshank	0	0	12	19	0	0	1	0	0	32	1	31	8 (11 May)	16	9	6 Apr	19 Aug
52.	Ruff	0	0	24	3	0	0	0	0	0	27	0	27	21 (3 Apr)	5	3	3 Apr	11 May
53.	wader sp.	0	0	43	17	0	0	2	0	0	62	0	62	35 (6 Apr)	10	6	6 Apr	12 Aug
54.	Dunlin	0	0	9	1	0	3	0	0	0	13	3	10	9 (4 Apr)	5	3	4 Apr	26 Jul
55.	Calidris sp.	0	0	0	37	0	0	0	0	0	37	0	37	27 (13 May)	3	2	13 May	19 May
56.	Little Tern	0	0	0	5	0	0	0	0	0	5	0	5	5 (20 May)	2	1	20 May	20 May
57.	Gull-billed Tern	0	0	1	0	0	0	0	0	0	1	0	1	1 (30 Apr)	2	1	30 Apr	30 Apr
58.	Caspian Tern	0	0	4	0	0	0	2	0	0	6	2	4	4 (12 Apr)	3	2	12 Apr	11 Aug
59.	Black Tern	0	0	1	8	0	0	0	0	0	9	0	9	4 (12 May)	7	4	15 Apr	12 May
60.	Common/Arctic Tern	0	0	0	0	0	0	142	0	0	142	142	0	142 (26 Aug)	2	1	26 Aug	26 Aug
	Species	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
61.	Common Tern	0	0	168	142	0	0	2	0	0	312	2	310	120 (9 May)	21	12	6 Apr	26 Aug
62.	Sandwich Tern	0	0	208	6	6	0	153	0	0	373	275	98	128 (12 Aug)	36	21	1 Apr	26 Aug
63.	Little Gull	0	3	148	8	0	0	0	0	0	159	81	78	80 (15 Apr)	12	7	17 Mar	1 May
64.	Black-headed Gull	0	940	335	209	0	0	212	0	83	1779	376	1403	280 (20 Mar)	52	30	2 Mar	18 Oct
65.	Mediterranean Gull	0	0	64	6	6	1	0	0	0	77	26	51	21 (23 Apr)	24	14	3 Apr	26 Jul
66.	Common Gull	0	498	2484	83	0	0	1	0	3	3069	46	3023	1123 (8 Apr)	48	28	2 Mar	18 Oct
67.	Herring Gull	16	911	199	67	0	0	16	0	1	1210	74	1136	521 (2 Mar)	41	24	26 Feb	18 Oct
68.	Great Black-backed Gull	0	4	9	0	0	0	0	0	1	14	3	11	3 (26 Apr)	19	11	7 Mar	11 Oct
69.	Lesser Black-backed Gull	13	1831	2050	711	0	0	79	0	182	4866	336	4530	513 (20 May)	72	42	17 Feb	18 Oct
70.	Arctic Skua	0	0	0	0	0	0	1	0	2	3	3	0	2 (11 Oct)	3	2	26 Aug	11 Oct
71.	Red-throated Diver	5	4	2	0	0	0	0	0	2	13	6	7	5 (26 Feb)	10	6	26 Feb	20 Oct
72.	diver sp.	0	1	0	0	0	0	0	0	0	1	0	1	1 (20 Mar)	2	1	20 Mar	20 Mar
73.	Fulmar	0	0	0	1	0	0	0	0	0	1	0	1	1 (10 May)	2	1	10 May	10 May
74.	White Stork	0	0	10	2	0	0	0	0	0	12	0	12	6 (4 Apr)	9	5	4 Apr	12 May
75.	Gannet	0	49	2	1	0	2	5	0	4	63	18	45	25 (2 Mar)	24	14	2 Mar	20 Oct
76.	Cormorant	41	1067	1010	163	0	82	358	5	181	2907	754	2153	413 (19 Mar)	81	47	17 Feb	20 Oct
77.	Spoonbill	1	94	276	84	1	0	0	0	0	456	6	450	70 (15 Apr)	50	29	25 Feb	17 Jun
78.	Bittern	0	0	1	1	0	0	0	0	0	2	0	2	1 (26 Apr)	3	2	26 Apr	13 May
79.	Little Egret	0	0	1	0	0	0	0	0	0	1	0	1	1 (30 Apr)	2	1	30 Apr	30 Apr
80.	Great White Egret	1	8	16	29	0	2	4	0	7	67	11	56	13 (12 May)	38	22	25 Feb	20 Oct
81.	Grey Heron	2	103	243	92	2	5	46	0	18	511	83	428	133 (4 Apr)	83	48	25 Feb	18 Oct
82.	Purple Heron	0	0	1	4	0	0	0	0	0	5	0	5	2 (13 May)	7	4	23 Apr	13 May
83.	Osprey	0	0	3	0	0	0	0	0	0	3	1	2	1 (7 Apr)	5	3	7 Apr	27 Apr
84.	Honey Buzzard	0	0	0	2	0	1	1	1	0	5	2	3	1 (12 May)	9	5	12 May	7 Sep
85.	Sparrowhawk	0	4	23	4	0	0	4	1	14	50	20	30	8 (4 Apr)	38	22	19 Mar	20 Oct
86.	Goshawk	0	0	2	0	0	0	0	0	0	2	1	1	1 (3 Apr)	3	2	3 Apr	4 Apr
87.	Marsh Harrier	0	16	49	23	0	0	5	25	0	118	34	84	25 (7 Sep)	48	28	19 Mar	7 Sep
88.	Hen Harrier	1	3	4	0	0	0	0	0	0	8	7	1	2 (3 Apr)	12	7	26 Feb	5 Apr
89.	Montagu's Harrier	0	0	0	1	0	0	0	0	0	1	0	1	1 (10 May)	2	1	10 May	10 May
90.	Red Kite	0	0	1	0	0	0	0	0	0	1	1	0	1 (2 Apr)	2	1	2 Apr	2 Apr
	Species	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
91.	Black Kite	0	0	0	1	0	0	0	0	0	1	0	1	1 (12 May)	2	1	12 May	12 May
92.	Common Buzzard	0	0	6	0	0	1	0	3	0	10	5	5	4 (3 Apr)	9	5	3 Apr	7 Sep
93.	Short-eared Owl	0	2	0	0	0	0	0	0	0	2	0	2	1 (20 Mar)	3	2	20 Mar	21 Mar
94.	European Bee-eater	0	0	1	20	0	0	0	0	0	21	1	20	9 (19 May)	7	4	27 Apr	20 May
95.	Lesser Spotted Woodpecker	0	0	0	0	0	0	1	0	0	1	1	0	1 (11 Aug)	2	1	11 Aug	11 Aug
96.	Great Spotted Woodpecker	2	10	4	0	0	4	19	1	9	49	21	28	11 (26 Aug)	34	20	26 Feb	18 Oct
97.	Kestrel	0	4	81	4	0	0	4	5	0	98	10	88	40 (4 Apr)	34	20	21 Mar	7 Sep
98.	Red-footed Falcon	0	0	0	0	0	0	0	1	0	1	1	0	1 (7 Sep)	2	1	7 Sep	7 Sep
99.	Merlin	0	0	10	4	0	0	0	0	0	14	0	14	5 (4 Apr)	14	8	4 Apr	12 May
100.	Hobby	0	0	3	3	1	0	1	0	0	8	2	6	2 (10 May)	12	7	15 Apr	11 Aug
101.	Peregrine	0	3	0	0	0	0	2	0	0	5	1	4	1 (2 Mar)	9	5	2 Mar	19 Aug
102.	Rose-ringed Parakeet	0	0	0	0	0	0	8	0	8	16	9	7	8 (18 Oct)	5	3	12 Aug	18 Oct
103.	Golden Oriole	0	0	0	7	0	0	0	0	0	7	0	7	3 (11 May)	7	4	9 May	13 May
104.	Jay	0	0	2	0	0	0	0	0	5	7	5	2	3 (18 Oct)	7	4	6 Apr	18 Oct
105.	Magpie	0	61	15	1	0	0	0	0	3	80	12	68	17 (20 Mar)	28	16	2 Mar	18 Oct
106.	Jackdaw	11	161	170	130	0	0	1	0	369	842	418	424	213 (17 Oct)	66	38	25 Feb	20 Oct
107.	Rook	0	1	9	1	0	0	0	0	0	11	2	9	3 (12 Apr)	12	7	9 Mar	9 May
108.	Carrion Crow	2	56	202	17	0	3	0	0	6	286	27	259	38 (7 Apr)	53	31	25 Feb	18 Oct
109.	Raven	0	0	0	0	0	0	0	0	3	3	1	2	2 (11 Oct)	3	2	11 Oct	18 Oct
110.	Coal Tit	0	0	0	0	0	0	0	0	88	88	0	88	51 (18 Oct)	3	2	17 Oct	18 Oct
111.	Blue Tit	0	10	1	0	0	0	0	0	13951	13962	109	13853	6998 (18 Oct)	17	10	2 Mar	20 Oct
112.	Great Tit	1	3	0	0	0	0	0	0	474	478	22	456	356 (17 Oct)	10	6	25 Feb	18 Oct
113.	Penduline Tit	0	0	0	1	0	0	0	0	0	1	0	1	1 (9 May)	2	1	9 May	9 May
114.	Wood Lark	1	7	1	0	0	0	0	0	33	42	29	13	20 (18 Oct)	16	9	25 Feb	20 Oct
115.	Skylark	1	27	0	0	0	0	0	0	472	500	473	27	453 (18 Oct)	19	11	25 Feb	20 Oct
116.	Sand Martin	0	3	840	95	0	17	2	0	0	957	102	855	204 (27 Apr)	53	31	21 Mar	19 Aug
117.	Swallow	0	1	863	881	0	2	246	4	0	1997	306	1691	330 (27 Apr)	55	32	22 Mar	7 Sep
118.	House Martin	0	0	22	625	0	28	93	10	0	778	133	645	203 (12 May)	34	20	6 Apr	7 Sep
119.	Red-rumped Swallow	0	0	0	1	0	0	0	0	0	1	0	1	1 (20 May)	2	1	20 May	20 May
120.	Long-tailed Tit	0	0	0	0	0	0	0	0	14	14	2	12	12 (18 Oct)	3	2	17 Oct	18 Oct
	Species	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
121.	Willow Warbler	0	0	3	0	0	1	1	0	0	5	1	4	2 (15 Apr)	7	4	7 Apr	26 Aug
122.	Chiffchaff	0	21	0	0	0	1	0	0	2	24	6	18	9 (21 Mar)	19	11	7 Mar	20 Oct
123.	Chiffchaff/Willow Warbler	0	0	18	0	0	0	1	0	0	19	1	18	5 (8 Apr)	14	8	1 Apr	26 Aug
124.	Lesser Whitethroat	0	0	0	2	0	0	0	0	0	2	0	2	2 (12 May)	2	1	12 May	12 May
125.	Whitethroat	0	0	1	0	0	0	0	0	0	1	1	0	1 (30 Apr)	2	1	30 Apr	30 Apr
126.	Firecrest	0	0	0	0	0	0	0	0	35	35	35	0	29 (17 Oct)	5	3	15 Oct	18 Oct
127.	Goldcrest	0	0	0	0	0	0	0	0	125	125	125	0	82 (17 Oct)	9	5	11 Oct	20 Oct
128.	Short-toed Tree Creeper	0	0	0	0	0	0	0	0	4	4	0	4	4 (17 Oct)	2	1	17 Oct	17 Oct
129.	Starling	15	1596	98	5	212	31	167	0	22772	24896	21035	3861	10160 (15 Oct)	81	47	17 Feb	20 Oct
130.	Song Thrush	0	338	7191	0	0	0	0	0	225	7754	223	7531	5625 (7 Apr)	43	25	8 Mar	20 Oct
131.	Mistle Thrush	1	42	100	0	0	0	0	0	36	179	34	145	32 (3 Apr)	38	22	25 Feb	20 Oct
132.	Redwing	1	25	490	0	0	0	0	0	3706	4222	2342	1880	1368 (17 Oct)	24	14	25 Feb	20 Oct
133.	Blackbird	0	2	1	0	0	0	0	0	35	38	36	2	15 (18 Oct)	12	7	21 Mar	20 Oct
134.	Fieldfare	0	0	3	0	0	0	0	0	1529	1532	1529	3	1037 (17 Oct)	9	5	12 Apr	20 Oct
135.	Ring Ouzel	0	4	97	3	0	0	0	0	0	104	1	103	29 (12 Apr)	26	15	22 Mar	1 May
136.	Spotted Flycatcher	0	0	6	34	0	0	0	0	0	40	0	40	13 (12 May)	9	5	30 Apr	13 May
137.	Redstart	0	0	0	0	0	0	1	0	0	1	1	0	1 (19 Aug)	2	1	19 Aug	19 Aug
138.	Whinchat	0	0	0	1	0	0	0	0	0	1	0	1	1 (9 May)	2	1	9 May	9 May
139.	Wheatear	0	0	4	6	0	0	1	0	0	11	4	7	3 (1 May)	14	8	8 Apr	11 Aug
140.	Tree Sparrow	0	0	0	0	0	0	0	0	4	4	4	0	4 (18 Oct)	2	1	18 Oct	18 Oct
141.	House Sparrow	0	0	1	0	0	9	0	0	0	10	0	10	7 (19 Jul)	5	3	7 Apr	26 Jul
142.	Dunnock	0	7	2	0	0	2	6	0	8	25	16	9	4 (8 Mar)	19	11	8 Mar	18 Oct
143.	Blue-headed Wagtail	0	0	105	8	0	0	0	0	0	113	1	112	47 (8 Apr)	21	12	1 Apr	11 May
144.	Yellow Wagtail (flavissima)	0	0	5	4	0	0	0	0	0	9	0	9	3 (11 May)	12	7	6 Apr	11 May
145.	Grey-headed Wagtail	0	0	0	32	0	0	0	0	0	32	0	32	17 (11 May)	7	4	9 May	13 May
146.	Yellow wagtail sp.	0	0	377	302	0	0	41	0	0	720	46	674	191 (15 Apr)	36	21	3 Apr	26 Aug
147.	Grey Wagtail	0	9	6	1	0	0	0	0	36	52	36	16	13 (18 Oct)	24	14	18 Mar	20 Oct
148.	White Wagtail	2	172	137	6	0	0	0	0	0	317	14	303	66 (22 Mar)	52	30	26 Feb	13 May
149.	alba wagtail sp.	0	177	63	2	0	11	5	0	5	263	38	225	87 (21 Mar)	40	23	6 Mar	18 Oct
150.	Motacilla (wagtail) sp.	0	2	0	0	0	0	0	0	0	2	0	2	2 (20 Mar)	2	1	20 Mar	20 Mar
	Species	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
151.	Pied Wagtail	0	14	1	1	0	0	0	0	0	16	1	15	6 (8 Mar)	12	7	8 Mar	11 May
152.	Richard's Pipit	0	0	0	0	0	0	0	0	1	1	1	0	1 (11 Oct)	2	1	11 Oct	11 Oct
153.	Meadow Pipit	2	410	5194	42	0	2	18	2	406	6076	421	5655	2444 (15 Apr)	81	47	17 Feb	20 Oct
154.	Tree Pipit	0	2	149	36	0	2	22	0	0	211	21	190	42 (12 Apr)	55	32	23 Mar	26 Aug
155.	Rock Pipit	0	5	0	0	0	0	0	0	0	5	0	5	3 (21 Mar)	5	3	8 Mar	22 Mar
156.	Rock Pipit/Water Pipit	0	4	1	0	0	0	0	0	0	5	0	5	2 (20 Mar)	7	4	2 Mar	4 Apr
157.	pipit sp.	0	0	0	1	0	0	0	0	0	1	0	1	1 (11 May)	2	1	11 May	11 May
158.	Chaffinch	112	1631	72	4	0	0	3	0	3680	5502	2580	2922	1281 (18 Oct)	64	37	17 Feb	20 Oct
159.	Brambling	6	17	4	0	0	0	0	0	337	364	208	156	182 (18 Oct)	31	18	17 Feb	20 Oct
160.	Hawfinch	0	10	20	121	0	0	0	0	0	151	2	149	36 (11 May)	31	18	8 Mar	20 May
161.	Bullfinch	0	1	1	0	0	0	0	0	0	2	0	2	1 (19 Mar)	3	2	19 Mar	8 Apr
162.	Greenfinch	0	27	10	3	0	4	2	0	24	70	30	40	14 (17 Oct)	34	20	2 Mar	18 Oct
163.	Linnet	2	121	233	31	0	4	18	0	23	432	36	396	50 (21 Mar)	71	41	25 Feb	20 Oct
164.	Redpoll	0	5	2	3	0	0	0	0	80	90	82	8	38 (18 Oct)	21	12	7 Mar	20 Oct
165.	Crossbill	0	0	0	0	9	0	0	0	32	41	18	23	12 (11 Oct)	12	7	17 Jun	20 Oct
166.	Goldfinch	2	89	52	0	5	3	5	0	101	257	135	122	86 (17 Oct)	50	29	17 Feb	18 Oct
167.	Siskin	5	41	14	3	0	0	0	0	577	640	355	285	226 (17 Oct)	41	24	25 Feb	20 Oct
168.	Yellowhammer	0	2	1	0	0	0	0	0	1	4	1	3	1 (20 Mar)	7	4	20 Mar	18 Oct
169.	Reed Bunting	1	39	10	1	1	0	0	0	68	120	70	50	41 (18 Oct)	43	25	25 Feb	20 Oct
	Other species
	Species	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Bumblebee sp.	0	3	2	3	0	0	0	0	0	8	3	5	3 (22 Mar)	5	3	22 Mar	13 May
	Species	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
	Totals	1497	17515	31024	10990	588	485	2044	93	50860	115096	36559	78537		100	58
	Observation hours	5:10	46:40	66:19	33:45	4:00	7:40	14:45	1:22	17:15	196:56

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Totals Berkheide (Katwijk) 2025