Also present

Totals Berkheide (Katwijk) 2013

	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	0	4	0	0	0	0	0	17	21	17	4	16 (14 Oct)	8	3	14 Apr	16 Oct
2.	Canada Goose	0	4	11	1	0	0	0	0	0	16	2	14	4 (22 Mar)	16	6	22 Mar	8 May
3.	Barnacle Goose	0	2007	220	26	2	0	0	0	5	2260	38	2222	1600 ( 4 Mar)	43	16	4 Mar	20 Oct
4.	Greylag Goose	4	614	55	21	0	0	0	0	142	836	205	631	450 ( 4 Mar)	54	20	17 Feb	20 Oct
5.	Anser sp.	0	18	0	0	0	0	0	0	0	18	0	18	18 (17 Mar)	3	1	17 Mar	17 Mar
6.	goose sp.	0	0	300	0	0	0	0	0	0	300	0	300	300 (13 Apr)	3	1	13 Apr	13 Apr
7.	Pink-footed Goose	0	0	0	0	0	0	0	0	139	139	139	0	139 (16 Oct)	3	1	16 Oct	16 Oct
8.	Eurasian White-fronted Goose	0	718	125	0	0	0	0	0	2	845	1	844	450 ( 5 Mar)	16	6	4 Mar	19 Oct
9.	Mute Swan	0	4	7	25	0	0	0	0	1	37	28	9	25 (19 May)	22	8	17 Mar	16 Oct
10.	Whooper Swan	0	6	0	0	0	0	0	0	0	6	0	6	6 ( 5 Mar)	3	1	5 Mar	5 Mar
11.	Egyptian Goose	0	4	19	3	0	0	0	0	2	28	2	26	13 ( 6 Apr)	19	7	8 Mar	19 Oct
12.	Shelduck	3	4	10	6	0	0	0	0	0	23	12	11	5 (28 Apr)	24	9	17 Feb	28 May
13.	Shoveler	0	360	10	0	0	0	0	0	0	370	30	340	339 (22 Mar)	16	6	5 Mar	14 Apr
14.	Gadwall	0	44	0	2	0	0	0	0	0	46	7	39	37 (22 Mar)	8	3	5 Mar	7 May
15.	Wigeon	0	67	19	0	0	0	0	0	0	86	49	37	22 (22 Mar)	19	7	4 Mar	14 Apr
16.	Mallard	0	2	7	0	0	1	0	0	0	10	0	10	4 (13 Apr)	14	5	10 Mar	6 Jul
17.	Pintail	0	7	0	0	0	0	0	0	3	10	3	7	5 (22 Mar)	8	3	4 Mar	14 Oct
18.	Teal	0	104	18	0	0	0	0	0	11	133	11	122	74 (22 Mar)	11	4	5 Mar	14 Oct
19.	Tufted Duck	0	4	4	0	0	0	0	0	0	8	0	8	4 (22 Mar)	5	2	22 Mar	9 Apr
20.	Eider	0	11	0	0	0	0	0	0	3	14	14	0	6 (10 Mar)	8	3	10 Mar	16 Oct
21.	Common Scoter	0	6	94	0	0	0	0	0	7	107	88	19	85 (14 Apr)	11	4	10 Mar	14 Oct
22.	Goldeneye	0	1	0	0	0	0	0	0	0	1	1	0	1 (17 Mar)	3	1	17 Mar	17 Mar
23.	Goosander	0	1	1	0	0	0	0	0	0	2	1	1	1 (10 Mar)	5	2	10 Mar	30 Apr
24.	Red-breasted Merganser	0	6	7	0	0	0	0	0	26	39	38	1	26 (14 Oct)	11	4	10 Mar	14 Oct
25.	Swift	0	0	8	357	9	0	0	0	0	374	6	368	244 (28 May)	24	9	21 Apr	6 Jun
26.	Cuckoo	0	0	2	3	0	0	0	0	0	5	0	5	2 ( 8 May)	11	4	16 Apr	8 May
27.	Stock Dove	12	96	63	2	0	3	0	0	15	191	35	156	29 ( 5 Mar)	54	20	17 Feb	20 Oct
28.	Woodpigeon	0	893	2650	23	0	12	0	0	112	3690	189	3501	1569 ( 9 Apr)	76	28	4 Mar	20 Oct
29.	Turtle Dove	0	0	0	2	0	0	0	0	0	2	2	0	2 (19 May)	3	1	19 May	19 May
30.	Collared Dove	0	2	22	16	3	0	0	0	0	43	6	37	7 (15 Apr)	35	13	4 Mar	6 Jun
	Species	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
31.	Crane	0	3	0	0	0	0	0	0	0	3	0	3	3 (10 Mar)	3	1	10 Mar	10 Mar
32.	Great Crested Grebe	0	25	0	0	0	0	0	0	2	27	2	25	25 (22 Mar)	5	2	22 Mar	16 Oct
33.	Oystercatcher	0	39	4	40	0	1	0	0	4	88	59	29	32 ( 3 May)	30	11	4 Mar	14 Oct
34.	Avocet	0	0	6	0	0	0	0	0	0	6	0	6	6 ( 9 Apr)	3	1	9 Apr	9 Apr
35.	Lapwing	0	1989	61	2	0	0	0	0	0	2052	6	2046	1131 ( 8 Mar)	35	13	4 Mar	19 May
36.	Golden Plover	0	82	9	0	0	0	0	0	1	92	2	90	80 ( 8 Mar)	16	6	8 Mar	14 Oct
37.	Grey Plover	0	0	1	18	0	0	0	0	0	19	0	19	18 ( 7 May)	5	2	15 Apr	7 May
38.	Ringed Plover	0	15	0	1	0	0	0	0	0	16	1	15	12 ( 8 Mar)	11	4	8 Mar	28 May
39.	Little Ringed Plover	0	0	3	0	0	1	0	0	0	4	2	2	1 ( 9 Apr)	11	4	9 Apr	6 Jul
40.	Whimbrel	0	0	29	8	0	1	0	0	0	38	1	37	10 (14 Apr)	30	11	8 Apr	6 Jul
41.	Curlew	0	113	24	0	0	3	0	0	0	140	3	137	60 ( 5 Mar)	30	11	5 Mar	6 Jul
42.	Bar-tailed Godwit	0	1	2	15	0	0	0	0	0	18	0	18	15 ( 7 May)	8	3	22 Mar	7 May
43.	Black-tailed Godwit	0	29	1	0	0	0	0	0	0	30	1	29	27 ( 8 Mar)	8	3	4 Mar	9 Apr
44.	Ruff	0	13	3	0	0	0	0	0	0	16	0	16	7 (10 Mar)	11	4	8 Mar	9 Apr
45.	Sanderling	0	38	0	0	0	0	0	0	0	38	33	5	38 (22 Mar)	3	1	22 Mar	22 Mar
46.	Dunlin	0	66	0	0	0	0	0	0	0	66	10	56	58 (22 Mar)	8	3	8 Mar	22 Mar
47.	Snipe	0	18	8	0	0	0	0	0	2	28	3	25	16 (28 Mar)	16	6	4 Mar	20 Oct
48.	Green Sandpiper	0	0	26	1	0	1	0	0	0	28	1	27	23 ( 9 Apr)	14	5	9 Apr	6 Jul
49.	Redshank	0	28	35	3	0	1	0	0	0	67	6	61	23 (22 Mar)	30	11	8 Mar	6 Jul
50.	Spotted Redshank	0	0	8	0	0	0	0	0	0	8	0	8	6 ( 9 Apr)	5	2	8 Apr	9 Apr
51.	Greenshank	0	0	3	8	0	2	0	0	0	13	2	11	5 ( 7 May)	19	7	9 Apr	6 Jul
52.	Black-headed Gull	0	151	1238	8	0	206	0	0	530	2133	739	1394	900 ( 9 Apr)	43	16	8 Mar	20 Oct
53.	Little Gull	0	0	147	0	0	2	0	0	2	151	4	147	135 (14 Apr)	14	5	14 Apr	16 Oct
54.	Mediterranean Gull	0	0	0	0	0	2	0	0	0	2	2	0	2 ( 6 Jul)	3	1	6 Jul	6 Jul
55.	Common Gull	0	79	123	0	0	3	0	0	75	280	81	199	73 (16 Oct)	32	12	4 Mar	16 Oct
56.	Great Black-backed Gull	0	1	4	0	0	0	0	0	7	12	9	3	4 (14 Oct)	19	7	5 Mar	19 Oct
57.	Herring Gull	0	51	62	13	0	0	0	0	249	375	250	125	196 (16 Oct)	30	11	4 Mar	20 Oct
58.	Lesser Black-backed Gull	0	441	945	27	20	0	0	0	21	1454	179	1275	350 ( 9 Apr)	57	21	4 Mar	20 Oct
59.	Caspian Tern	0	0	0	1	0	0	0	0	0	1	0	1	1 ( 7 May)	3	1	7 May	7 May
60.	Sandwich Tern	0	0	9	0	0	0	0	0	0	9	4	5	8 (14 Apr)	5	2	14 Apr	28 Apr
	Species	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
61.	Common Tern	0	0	71	17	0	0	0	0	0	88	49	39	46 (14 Apr)	27	10	13 Apr	19 May
62.	Common/Arctic Tern	0	0	11	0	0	0	0	0	0	11	4	7	11 (28 Apr)	3	1	28 Apr	28 Apr
63.	Red-throated Diver	0	1	3	0	0	0	0	0	0	4	3	1	3 (14 Apr)	5	2	5 Mar	14 Apr
64.	diver sp.	0	4	1	0	0	0	0	0	0	5	5	0	4 (10 Mar)	5	2	10 Mar	21 Apr
65.	White Stork	0	1	0	0	0	0	0	0	0	1	0	1	1 (21 Mar)	3	1	21 Mar	21 Mar
66.	Gannet	0	6	44	0	0	0	0	0	7	57	41	16	40 (14 Apr)	24	9	5 Mar	16 Oct
67.	Cormorant	0	822	461	12	0	0	0	0	440	1735	560	1175	750 ( 5 Mar)	41	15	5 Mar	19 Oct
68.	Spoonbill	0	0	108	10	0	0	0	0	0	118	0	118	40 ( 9 Apr)	27	10	8 Apr	28 May
69.	Grey Heron	0	44	71	3	0	0	0	0	21	139	20	119	38 ( 9 Apr)	59	22	4 Mar	20 Oct
70.	Purple Heron	0	0	0	0	0	0	0	0	1	1	1	0	1 (20 Oct)	3	1	20 Oct	20 Oct
71.	Great White Egret	0	2	5	2	0	0	0	0	0	9	1	8	2 (10 Mar)	16	6	10 Mar	19 May
72.	Little Egret	0	0	0	1	0	0	0	0	0	1	0	1	1 (28 May)	3	1	28 May	28 May
73.	Osprey	0	0	1	0	0	0	0	0	1	2	1	1	1 ( 9 Apr)	5	2	9 Apr	16 Oct
74.	Sparrowhawk	0	0	5	1	0	0	0	0	33	39	33	6	26 (19 Oct)	22	8	8 Apr	20 Oct
75.	Goshawk	0	1	3	0	0	0	0	0	0	4	3	1	1 ( 4 Mar)	11	4	4 Mar	20 Apr
76.	Marsh Harrier	0	4	23	11	0	0	0	0	0	38	3	35	8 ( 9 Apr)	49	18	17 Mar	28 May
77.	Hen Harrier	0	1	0	0	0	0	0	0	2	3	3	0	2 (14 Oct)	5	2	17 Mar	14 Oct
78.	Black Kite	0	0	2	2	0	0	0	0	0	4	2	2	1 ( 8 Apr)	11	4	8 Apr	7 May
79.	White-tailed Eagle	1	0	0	0	0	0	0	0	0	1	1	0	1 (17 Feb)	3	1	17 Feb	17 Feb
80.	Rough-legged Buzzard	0	0	1	0	0	0	0	0	0	1	0	1	1 ( 1 Apr)	3	1	1 Apr	1 Apr
81.	Common Buzzard	0	6	9	3	1	0	0	0	2	21	2	19	4 ( 8 Apr)	35	13	4 Mar	20 Oct
82.	Great Spotted Woodpecker	0	0	11	1	0	1	0	0	14	27	16	11	7 (19 Oct)	32	12	8 Apr	20 Oct
83.	Green Woodpecker	0	0	1	0	0	0	0	0	0	1	0	1	1 (14 Apr)	3	1	14 Apr	14 Apr
84.	Kestrel	0	0	2	0	0	0	0	0	1	3	1	2	1 ( 9 Apr)	8	3	9 Apr	19 Oct
85.	Merlin	0	0	0	1	0	0	0	0	2	3	3	0	2 (19 Oct)	5	2	19 May	19 Oct
86.	Hobby	0	0	2	2	0	0	0	0	0	4	1	3	2 ( 7 May)	8	3	14 Apr	7 May
87.	Peregrine	0	2	2	0	0	0	0	0	0	4	2	2	2 (14 Apr)	8	3	10 Mar	14 Apr
88.	Golden Oriole	0	0	0	1	0	0	0	0	0	1	0	1	1 (19 May)	3	1	19 May	19 May
89.	Jay	0	0	0	4	0	0	0	0	24	28	24	4	15 (20 Oct)	11	4	19 May	20 Oct
90.	Magpie	0	0	0	1	0	0	0	0	17	18	17	1	7 (20 Oct)	11	4	19 May	20 Oct
	Species	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
91.	Jackdaw	2	225	131	169	0	0	0	0	1121	1648	1247	401	588 (16 Oct)	59	22	17 Feb	20 Oct
92.	Rook	0	1	3	0	0	0	0	0	0	4	2	2	1 ( 4 Mar)	11	4	4 Mar	24 Apr
93.	Carrion Crow	0	0	26	0	0	0	0	0	24	50	28	22	21 (20 Oct)	22	8	1 Apr	20 Oct
94.	Hooded Crow	0	1	0	0	0	0	0	0	0	1	0	1	1 (21 Mar)	3	1	21 Mar	21 Mar
95.	Coal Tit	0	0	0	0	0	0	0	0	4	4	4	0	2 (19 Oct)	5	2	19 Oct	20 Oct
96.	Blue Tit	0	3	0	4	0	0	0	0	5	12	5	7	4 ( 1 May)	11	4	4 Mar	20 Oct
97.	Great Tit	0	13	4	0	0	0	0	0	10	27	10	17	7 ( 5 Mar)	19	7	4 Mar	20 Oct
98.	Bearded Tit	0	0	0	0	0	0	0	0	12	12	12	0	12 (16 Oct)	3	1	16 Oct	16 Oct
99.	Wood Lark	0	43	7	0	0	0	0	0	33	83	33	50	26 ( 5 Mar)	30	11	4 Mar	20 Oct
100.	Skylark	1	308	61	0	0	0	0	0	1379	1749	1381	368	715 (19 Oct)	41	15	17 Feb	20 Oct
101.	Short-toed Lark	0	0	0	1	0	0	0	0	0	1	0	1	1 (19 May)	3	1	19 May	19 May
102.	Sand Martin	0	0	35	31	1	0	0	0	0	67	23	44	21 (24 Apr)	32	12	9 Apr	6 Jun
103.	Swallow	0	0	262	867	9	6	0	0	6	1150	337	813	400 (19 May)	51	19	13 Apr	16 Oct
104.	House Martin	0	0	23	164	11	0	0	0	4	202	21	181	88 (19 May)	35	13	9 Apr	16 Oct
105.	Red-rumped Swallow	0	0	0	1	0	0	0	0	0	1	0	1	1 ( 3 May)	3	1	3 May	3 May
106.	Long-tailed Tit	0	0	0	0	0	0	0	0	37	37	37	0	17 (19 Oct)	8	3	16 Oct	20 Oct
107.	Willow Warbler	0	1	0	0	0	0	0	0	0	1	0	1	1 (21 Mar)	3	1	21 Mar	21 Mar
108.	Chiffchaff	0	0	13	0	0	0	0	0	2	15	3	12	4 ( 9 Apr)	16	6	8 Apr	16 Oct
109.	Chiffchaff/Willow Warbler	0	0	14	0	0	0	0	0	0	14	0	14	14 ( 9 Apr)	3	1	9 Apr	9 Apr
110.	Blackcap	0	0	0	0	0	0	0	0	1	1	1	0	1 (19 Oct)	3	1	19 Oct	19 Oct
111.	Firecrest	0	0	0	0	0	0	0	0	4	4	4	0	3 (16 Oct)	5	2	16 Oct	20 Oct
112.	Goldcrest	0	0	0	0	0	0	0	0	6	6	6	0	4 (20 Oct)	5	2	19 Oct	20 Oct
113.	Starling	2	720	1317	6	0	580	0	0	28564	31189	29182	2007	16552 (20 Oct)	70	26	17 Feb	20 Oct
114.	Song Thrush	0	24	71	0	0	0	0	0	254	349	257	92	167 (14 Oct)	41	15	5 Mar	20 Oct
115.	Mistle Thrush	0	191	27	0	0	0	0	0	14	232	19	213	179 ( 8 Mar)	24	9	4 Mar	19 Oct
116.	Redwing	0	6	103	0	0	0	0	0	1963	2072	2055	17	1710 (19 Oct)	24	9	5 Mar	20 Oct
117.	Blackbird	0	1	0	0	0	0	0	0	62	63	62	1	28 (14 Oct)	14	5	8 Mar	20 Oct
118.	Fieldfare	0	46	11	0	0	0	0	0	12	69	13	56	41 ( 8 Mar)	27	10	8 Mar	20 Oct
119.	Ring Ouzel	0	0	20	0	0	0	0	0	5	25	8	17	9 (14 Apr)	24	9	8 Apr	20 Oct
120.	Spotted Flycatcher	0	0	0	2	0	0	0	0	0	2	0	2	1 (19 May)	5	2	19 May	28 May
	Species	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
121.	Black Redstart	0	0	1	0	0	0	0	0	0	1	0	1	1 ( 9 Apr)	3	1	9 Apr	9 Apr
122.	Wheatear	0	0	0	3	0	0	0	0	0	3	0	3	1 ( 1 May)	8	3	1 May	6 May
123.	Tree Sparrow	0	3	3	2	0	0	0	0	36	44	25	19	18 (20 Oct)	22	8	4 Mar	20 Oct
124.	House Sparrow	0	2	0	0	0	0	0	0	10	12	10	2	5 (14 Oct)	8	3	22 Mar	16 Oct
125.	Dunnock	0	5	7	0	0	0	0	0	7	19	7	12	4 ( 8 Mar)	24	9	8 Mar	20 Oct
126.	Blue-headed Wagtail	0	0	49	11	0	0	0	0	0	60	10	50	24 (24 Apr)	35	13	8 Apr	19 May
127.	Yellow Wagtail (flavissima)	0	0	1	0	0	0	0	0	0	1	0	1	1 (20 Apr)	3	1	20 Apr	20 Apr
128.	Grey-headed Wagtail	0	0	0	13	0	0	0	0	0	13	0	13	8 (19 May)	5	2	19 May	28 May
129.	Yellow wagtail sp.	0	0	84	14	2	0	0	0	0	100	2	98	43 (16 Apr)	35	13	9 Apr	6 Jun
130.	Grey Wagtail	0	0	2	0	0	0	0	0	19	21	20	1	8 (19 Oct)	16	6	8 Apr	20 Oct
131.	White Wagtail	0	92	131	5	0	0	0	0	1	229	28	201	46 ( 9 Apr)	62	23	5 Mar	16 Oct
132.	alba wagtail sp.	0	99	163	1	0	0	0	0	7	270	49	221	98 ( 9 Apr)	38	14	4 Mar	20 Oct
133.	Pied Wagtail	0	18	4	0	0	0	0	0	0	22	0	22	9 ( 8 Mar)	22	8	5 Mar	9 Apr
134.	Meadow Pipit	0	327	687	40	0	0	0	0	1081	2135	1087	1048	351 (16 Oct)	92	34	4 Mar	20 Oct
135.	Tree Pipit	0	0	15	3	0	0	0	0	0	18	2	16	5 (16 Apr)	30	11	8 Apr	8 May
136.	Tree Pipit/Olive-backed Pipit	0	0	0	0	0	0	0	0	1	1	1	0	1 (19 Oct)	3	1	19 Oct	19 Oct
137.	Red-throated Pipit	0	0	0	1	0	0	0	0	0	1	0	1	1 (28 May)	3	1	28 May	28 May
138.	Rock Pipit	0	1	1	0	0	0	0	0	2	4	2	2	1 ( 8 Mar)	11	4	8 Mar	16 Oct
139.	Rock Pipit/Water Pipit	0	8	5	0	0	0	0	0	0	13	0	13	3 ( 9 Apr)	24	9	4 Mar	16 Apr
140.	Chaffinch	0	872	255	5	0	1	0	0	23205	24338	23221	1117	15362 (19 Oct)	73	27	4 Mar	20 Oct
141.	Brambling	0	8	5	0	0	0	0	0	145	158	144	14	64 (19 Oct)	27	10	5 Mar	20 Oct
142.	Hawfinch	0	6	18	4	0	0	0	0	0	28	4	24	14 (14 Apr)	22	8	8 Mar	28 May
143.	Bullfinch	0	1	0	0	0	0	0	0	2	3	2	1	1 ( 5 Mar)	8	3	5 Mar	20 Oct
144.	Greenfinch	0	35	46	1	0	0	0	0	36	118	51	67	24 ( 8 Apr)	51	19	4 Mar	20 Oct
145.	Linnet	0	14	100	38	0	0	0	0	13	165	17	148	19 (16 Apr)	70	26	5 Mar	20 Oct
146.	Lesser Redpoll	0	0	1	0	0	0	0	0	0	1	0	1	1 (20 Apr)	3	1	20 Apr	20 Apr
147.	redpoll sp.	0	0	1	1	0	0	0	0	9	11	8	3	6 (16 Oct)	14	5	24 Apr	20 Oct
148.	Crossbill	0	2	45	23	0	7	0	0	14	91	55	36	32 (24 Apr)	38	14	17 Mar	19 Oct
149.	crossbill sp.	0	0	0	0	0	0	0	0	2	2	1	1	2 (19 Oct)	3	1	19 Oct	19 Oct
150.	Goldfinch	0	22	23	11	0	0	0	0	3	59	17	42	11 ( 5 Mar)	57	21	4 Mar	20 Oct
	Species	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
151.	Siskin	0	94	55	3	1	2	0	0	57	212	65	147	40 (16 Oct)	68	25	4 Mar	20 Oct
152.	Lapland Bunting	0	1	1	0	0	0	0	0	0	2	0	2	1 ( 4 Mar)	5	2	4 Mar	9 Apr
153.	Snow Bunting	0	2	0	0	0	0	0	0	0	2	0	2	2 (21 Mar)	3	1	21 Mar	21 Mar
154.	Ortolan Bunting	0	0	0	1	0	0	0	0	0	1	0	1	1 (28 May)	3	1	28 May	28 May
155.	Reed Bunting	0	104	34	0	0	0	0	0	62	200	64	136	50 ( 8 Mar)	43	16	4 Mar	20 Oct
156.	passerine sp.	0	0	0	1	0	0	0	0	0	1	0	1	1 (28 May)	3	1	28 May	28 May
	Other species
	Species	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Harbour Porpoise	0	0	0	0	0	0	0	0	3	3	0	3	3 (14 Oct)	3	1	14 Oct	14 Oct
2.	Common Noctule	0	0	0	0	0	0	0	0	2	2	2	0	2 (16 Oct)	3	1	16 Oct	16 Oct
	Other species
	Species	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Red Admiral	0	0	0	0	0	0	0	0	4	4	4	0	4 (16 Oct)	3	1	16 Oct	16 Oct
	Species	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
	Totals	25	12358	11109	2130	59	836	0	0	60186	86703	62768	23935		100	37
	Observation hours	0:25	26:20	39:25	26:55	3:35	2:00	0:00	0:00	14:30	113:10

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Totals Berkheide (Katwijk) 2013