Also present

Totals Hoogekampse Plas, De Bilt 2021

	Species	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Canada Goose	0	0	9	0	0	0	0	54	24	0	87	58	29	25 (10 Sep)	10	9	1 Apr	9 Oct
2.	Barnacle Goose	474	592	1321	1947	0	0	0	13	2	8	4357	325	4032	1496 ( 1 May)	44	39	19 Feb	7 Nov
3.	Greylag Goose	179	52	98	41	0	0	542	1699	538	61	3210	2642	568	485 (11 Aug)	69	61	19 Feb	7 Nov
4.	goose sp.	211	4	0	0	0	0	0	0	7	3	225	10	215	211 (23 Feb)	5	4	23 Feb	7 Nov
5.	Tundra Bean Goose	340	0	0	0	0	0	0	12	34	16	402	44	358	337 (21 Feb)	10	9	21 Feb	6 Nov
6.	Eurasian White-fronted Goose	3771	119	5	1	0	0	0	1749	718	193	6556	3380	3176	1164 (21 Feb)	39	34	9 Feb	7 Nov
7.	Mute Swan	0	0	9	0	0	0	0	24	1	10	44	28	16	10 ( 6 Nov)	16	14	2 Apr	6 Nov
8.	Bewick's Swan	118	0	0	0	0	0	0	0	0	0	118	118	0	118 ( 9 Feb)	1	1	9 Feb	9 Feb
9.	Egyptian Goose	1	22	43	8	0	0	0	6	0	0	80	24	56	22 (26 Mar)	9	8	21 Feb	9 Sep
10.	Shelduck	4	1	2	1	0	0	0	0	0	0	8	2	6	3 (23 Feb)	7	6	9 Feb	11 May
11.	Ruddy Shelduck	0	0	0	0	2	0	2	0	0	0	4	0	4	2 (20 Jun)	2	2	20 Jun	11 Aug
12.	Garganey	0	0	0	0	0	0	0	1	0	0	1	1	0	1 (26 Sep)	1	1	26 Sep	26 Sep
13.	Shoveler	0	105	39	2	0	0	8	39	0	0	193	47	146	54 (30 Mar)	14	12	25 Mar	25 Sep
14.	Gadwall	2	8	25	15	0	0	5	24	7	0	86	35	51	12 (25 Sep)	31	27	21 Feb	9 Oct
15.	Wigeon	0	703	0	0	0	0	0	1	0	4	708	3	705	692 (25 Mar)	5	4	21 Mar	7 Nov
16.	Mallard	0	29	48	4	0	0	1	143	19	24	268	118	150	37 (24 Sep)	48	42	24 Mar	7 Nov
17.	Pintail	0	4	0	0	0	0	0	8	6	0	18	14	4	8 (17 Sep)	5	4	25 Mar	23 Oct
18.	Teal	0	6	0	2	0	0	0	0	0	0	8	0	8	5 (25 Mar)	3	3	25 Mar	1 May
19.	duck sp.	0	50	11	0	0	0	0	46	0	0	107	44	63	26 (25 Mar)	9	8	20 Mar	28 Sep
20.	Red-crested Pochard	0	0	0	0	0	0	0	1	0	0	1	1	0	1 ( 5 Sep)	1	1	5 Sep	5 Sep
21.	Pochard	0	1	0	0	0	0	0	0	5	0	6	5	1	4 (16 Oct)	3	3	25 Mar	16 Oct
22.	Tufted Duck	0	1	2	0	0	0	0	3	0	0	6	5	1	2 ( 8 Apr)	5	4	24 Mar	20 Sep
23.	Goosander	0	0	0	0	0	0	0	16	0	0	16	16	0	9 (28 Sep)	2	2	28 Sep	30 Sep
24.	Red-breasted Merganser	0	0	1	0	0	0	0	0	0	0	1	0	1	1 ( 5 Apr)	1	1	5 Apr	5 Apr
25.	Swift	0	0	837	755	7	0	232	7	0	0	1838	239	1599	501 ( 1 May)	24	21	21 Apr	10 Sep
26.	Cuckoo	0	0	0	1	0	0	1	0	0	0	2	0	2	1 ( 9 May)	2	2	9 May	3 Aug
27.	Stock Dove	7	12	20	3	0	0	4	94	40	5	185	125	60	19 ( 9 Sep)	52	46	21 Feb	6 Nov
28.	Woodpigeon	111	190	125	6	0	0	2	143	700	18	1295	860	435	294 (23 Oct)	64	56	21 Feb	7 Nov
29.	Collared Dove	1	0	6	0	1	0	0	18	10	1	37	22	15	7 ( 2 Oct)	20	18	25 Feb	6 Nov
30.	Great Crested Grebe	0	0	1	0	0	0	1	4	0	0	6	4	2	2 ( 7 Sep)	6	5	30 Apr	24 Sep
	Species	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
31.	Oystercatcher	0	15	14	2	0	0	0	0	0	0	31	2	29	8 (24 Mar)	13	11	24 Mar	3 May
32.	Lapwing	156	16	44	1	0	0	1	483	18	15	734	574	160	112 ( 9 Sep)	48	42	19 Feb	7 Nov
33.	Golden Plover	0	0	12	0	0	0	0	7	5	0	24	11	13	11 (30 Apr)	8	7	27 Apr	4 Oct
34.	Grey Plover	0	0	0	0	0	0	0	1	0	0	1	1	0	1 (12 Sep)	1	1	12 Sep	12 Sep
35.	Ringed Plover	0	0	3	0	0	0	1	2	0	0	6	3	3	3 (30 Apr)	5	4	30 Apr	28 Sep
36.	Little Ringed Plover	0	13	22	11	0	0	0	0	0	0	46	7	39	8 (30 Apr)	16	14	14 Mar	6 May
37.	Dotterel	0	0	1	0	0	0	0	0	0	0	1	0	1	1 (25 Apr)	1	1	25 Apr	25 Apr
38.	Whimbrel	0	0	167	6	0	0	0	0	0	0	173	4	169	37 (30 Apr)	14	12	8 Apr	1 May
39.	Curlew	5	2	7	0	0	0	0	16	0	0	30	22	8	10 (23 Sep)	16	14	23 Feb	28 Sep
40.	Bar-tailed Godwit	0	0	1	0	0	0	0	0	0	0	1	1	0	1 ( 6 Apr)	1	1	6 Apr	6 Apr
41.	Black-tailed Godwit	1	14	26	2	0	0	0	0	0	0	43	10	33	10 (25 Mar)	16	14	26 Feb	3 May
42.	Turnstone	0	0	0	1	0	0	0	0	0	0	1	0	1	1 ( 5 May)	1	1	5 May	5 May
43.	Ruff	0	1	2	0	0	0	0	0	0	0	3	1	2	1 (29 Mar)	3	3	29 Mar	30 Apr
44.	wader sp.	1	3	16	0	0	0	3	2	1	1	27	8	19	7 (12 Apr)	11	10	25 Feb	7 Nov
45.	Dunlin	0	1	1	1	0	0	2	10	2	0	17	14	3	5 (26 Sep)	9	8	25 Mar	4 Oct
46.	Little Stint	0	0	0	0	0	0	0	0	1	0	1	1	0	1 ( 4 Oct)	1	1	4 Oct	4 Oct
47.	Jack Snipe	0	0	1	0	0	0	0	0	0	0	1	1	0	1 (30 Apr)	1	1	30 Apr	30 Apr
48.	Snipe	1	19	2	0	0	0	2	310	49	2	385	343	42	67 (28 Sep)	35	31	21 Feb	6 Nov
49.	Common Sandpiper	0	0	16	19	0	0	2	3	0	0	40	5	35	13 ( 3 May)	13	11	23 Apr	14 Sep
50.	Green Sandpiper	0	10	77	2	0	0	3	6	1	0	99	19	80	14 ( 8 Apr)	33	29	23 Mar	16 Oct
51.	Redshank	0	28	23	8	0	0	0	0	0	0	59	9	50	14 (25 Mar)	22	19	23 Mar	5 May
52.	Wood Sandpiper	0	0	17	6	0	0	0	0	0	0	23	0	23	11 (30 Apr)	7	6	25 Apr	5 May
53.	Spotted Redshank	0	0	1	0	0	0	0	2	0	0	3	2	1	1 (17 Apr)	3	3	17 Apr	24 Sep
54.	Greenshank	0	0	34	24	0	0	0	1	0	0	59	1	58	23 (30 Apr)	14	12	5 Apr	17 Sep
55.	Black-headed Gull	17	3270	1769	108	72	0	426	1057	88	272	7079	1846	5233	1060 (20 Mar)	80	70	21 Feb	7 Nov
56.	Little Gull	0	0	396	28	0	0	0	0	0	0	424	61	363	165 (25 Apr)	16	14	5 Apr	1 May
57.	Mediterranean Gull	0	3	16	1	0	0	0	0	0	0	20	0	20	5 (14 Apr)	10	9	14 Mar	3 May
58.	Common Gull	7	149	33	24	0	0	3	9	7	5	237	27	210	50 (14 Mar)	50	44	19 Feb	7 Nov
59.	Great Black-backed Gull	0	0	2	0	0	0	0	0	0	0	2	0	2	2 (10 Apr)	1	1	10 Apr	10 Apr
60.	Herring Gull	12	23	31	7	2	0	1	33	2	3	114	44	70	8 (25 Mar)	49	43	19 Feb	6 Nov
	Species	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
61.	Caspian Gull	0	2	13	3	0	0	0	3	1	1	23	6	17	6 ( 5 Apr)	15	13	21 Mar	6 Nov
62.	Yellow-legged Gull	0	1	0	2	0	0	0	0	0	0	3	2	1	2 ( 3 May)	2	2	25 Mar	3 May
63.	Lesser Black-backed Gull	12	206	943	85	10	0	149	194	29	2	1630	425	1205	192 ( 8 Apr)	84	74	19 Feb	7 Nov
64.	large gull sp.	0	0	10	1	0	0	0	2	0	0	13	2	11	3 ( 8 Apr)	8	7	1 Apr	17 Sep
65.	Caspian Tern	0	0	2	0	0	0	0	0	0	0	2	0	2	1 (10 Apr)	2	2	10 Apr	23 Apr
66.	Common Tern	0	0	16	5	2	0	16	0	0	0	39	22	17	16 ( 3 Aug)	9	8	16 Apr	3 Aug
67.	Black Tern	0	0	6	2	0	0	0	0	0	0	8	0	8	3 (30 Apr)	6	5	6 Apr	1 May
68.	Black Stork	0	0	0	0	2	0	1	0	0	0	3	2	1	2 (20 Jun)	2	2	20 Jun	20 Aug
69.	White Stork	0	8	43	2	0	0	59	167	2	3	284	214	70	57 ( 9 Sep)	30	26	25 Mar	7 Nov
70.	Ciconia sp.	0	0	1	0	0	0	0	0	0	0	1	1	0	1 (23 Apr)	1	1	23 Apr	23 Apr
71.	Cormorant	210	340	535	55	0	0	12	693	371	15	2231	1270	961	240 (30 Sep)	85	75	9 Feb	7 Nov
72.	Spoonbill	1	0	43	1	0	0	0	4	0	0	49	16	33	25 (30 Apr)	9	8	23 Feb	24 Sep
73.	Grey Heron	0	17	59	2	0	0	4	24	4	1	111	41	70	19 (19 Sep)	45	40	14 Mar	6 Nov
74.	Purple Heron	0	0	9	7	0	0	1	0	0	0	17	5	12	3 ( 1 May)	13	11	8 Apr	11 Aug
75.	Great White Egret	1	2	18	1	0	0	0	41	26	4	93	60	33	15 (19 Sep)	33	29	19 Feb	7 Nov
76.	Osprey	0	0	3	1	0	0	1	0	0	0	5	1	4	1 ( 1 Apr)	6	5	1 Apr	25 Aug
77.	Honey Buzzard	0	0	0	1	1	0	8	9	0	0	19	16	3	6 (11 Aug)	13	11	9 May	23 Sep
78.	Sparrowhawk	0	6	43	1	0	0	6	67	57	4	184	132	52	20 ( 2 Oct)	55	48	24 Mar	7 Nov
79.	Marsh Harrier	0	4	34	9	0	0	2	42	4	0	95	52	43	7 ( 8 Apr)	43	38	28 Mar	2 Oct
80.	Hen Harrier	0	0	0	0	0	0	0	0	2	0	2	2	0	1 ( 9 Oct)	2	2	9 Oct	31 Oct
81.	Hen/Montagu's/Pallid Harrier	0	0	0	2	0	0	0	0	0	0	2	0	2	2 ( 9 May)	1	1	9 May	9 May
82.	Red Kite	0	0	3	3	0	0	0	0	0	0	6	0	6	1 ( 8 Apr)	7	6	8 Apr	9 May
83.	Black Kite	0	0	2	1	0	0	0	0	0	0	3	0	3	1 (11 Apr)	3	3	11 Apr	9 May
84.	White-tailed Eagle	0	0	1	0	0	0	0	1	0	0	2	1	1	1 (23 Apr)	2	2	23 Apr	7 Sep
85.	Common Buzzard	1	10	43	12	0	0	10	104	140	8	328	260	68	63 ( 4 Oct)	45	40	23 Feb	7 Nov
86.	Lesser Spotted Woodpecker	0	1	0	0	0	0	0	1	0	0	2	0	2	1 (19 Mar)	2	2	19 Mar	7 Sep
87.	Great Spotted Woodpecker	0	4	13	0	0	0	9	34	13	2	75	44	31	6 (11 Aug)	40	35	30 Mar	6 Nov
88.	Green Woodpecker	0	0	0	0	0	0	0	0	1	0	1	1	0	1 (10 Oct)	1	1	10 Oct	10 Oct
89.	Kestrel	0	1	9	3	0	0	3	27	6	0	49	36	13	6 (26 Sep)	28	25	29 Mar	9 Oct
90.	Red-footed Falcon	0	0	0	1	0	0	0	0	0	0	1	0	1	1 ( 9 May)	1	1	9 May	9 May
	Species	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
91.	Merlin	0	0	7	0	0	0	0	8	0	0	15	8	7	3 (26 Sep)	14	12	10 Apr	27 Sep
92.	Hobby	0	0	2	2	0	0	4	16	2	0	26	19	7	5 (12 Sep)	20	18	16 Apr	5 Oct
93.	Peregrine	1	1	2	0	0	0	0	2	0	0	6	1	5	1 (23 Feb)	7	6	23 Feb	30 Sep
94.	Jay	0	0	8	1	1	0	0	1404	183	6	1603	1201	402	200 (24 Sep)	36	32	1 Apr	6 Nov
95.	Magpie	0	0	5	0	0	0	0	18	0	2	25	17	8	6 (14 Sep)	16	14	1 Apr	7 Nov
96.	Jackdaw	2	23	14	0	0	0	8	335	12	15	409	368	41	152 ( 7 Sep)	40	35	23 Feb	7 Nov
97.	Rook	1	0	0	1	0	0	0	0	3	0	5	0	5	3 (16 Oct)	3	3	23 Feb	16 Oct
98.	Carrion Crow	0	1	22	0	0	0	0	20	1	4	48	27	21	7 ( 8 Apr)	27	24	26 Mar	7 Nov
99.	Corvus sp.	0	0	2	0	0	0	0	0	0	0	2	2	0	2 (14 Apr)	1	1	14 Apr	14 Apr
100.	Coal Tit	0	0	2	0	0	0	0	0	33	1	36	27	9	21 (31 Oct)	8	7	14 Apr	7 Nov
101.	Marsh Tit	0	0	0	0	0	0	0	1	0	0	1	1	0	1 (19 Sep)	1	1	19 Sep	19 Sep
102.	Blue Tit	1	15	23	0	0	0	5	113	62	22	241	174	67	20 ( 6 Nov)	47	41	21 Feb	7 Nov
103.	Great Tit	0	5	15	0	0	0	3	66	41	3	133	87	46	13 (28 Sep)	44	39	25 Mar	6 Nov
104.	Wood Lark	7	1	0	0	0	0	0	1	29	9	47	44	3	10 (29 Oct)	13	11	19 Feb	6 Nov
105.	Skylark	38	4	8	0	0	0	0	1	445	2	498	453	45	216 (31 Oct)	19	17	9 Feb	6 Nov
106.	Sand Martin	0	26	675	9	1	0	10	7	0	0	728	31	697	190 (23 Apr)	39	34	28 Mar	20 Sep
107.	Swallow	0	13	1157	88	3	0	400	5934	195	0	7790	6531	1259	1215 (10 Sep)	64	56	25 Mar	10 Oct
108.	House Martin	0	0	56	18	1	0	71	1438	35	0	1619	1544	75	731 (12 Sep)	39	34	5 Apr	9 Oct
109.	Long-tailed Tit	0	1	1	0	0	0	0	62	21	1	86	52	34	15 (10 Sep)	17	15	30 Mar	6 Nov
110.	Willow Warbler	0	0	2	0	0	0	0	0	0	0	2	0	2	2 (11 Apr)	1	1	11 Apr	11 Apr
111.	Chiffchaff	0	10	21	0	0	0	3	62	11	1	108	69	39	8 (24 Sep)	41	36	25 Mar	7 Nov
112.	Chiffchaff (Siberian - tristis)	0	0	0	0	0	0	0	0	1	0	1	1	0	1 (16 Oct)	1	1	16 Oct	16 Oct
113.	Chiffchaff/Willow Warbler	0	0	10	3	0	0	0	10	0	0	23	7	16	6 ( 7 Sep)	13	11	11 Apr	12 Sep
114.	Blackcap	0	0	0	0	0	0	0	2	0	0	2	2	0	1 (14 Sep)	2	2	14 Sep	22 Sep
115.	Whitethroat	0	0	1	0	0	0	0	0	0	0	1	0	1	1 (23 Apr)	1	1	23 Apr	23 Apr
116.	Firecrest	0	0	0	0	0	0	0	1	1	0	2	2	0	1 (26 Sep)	2	2	26 Sep	4 Oct
117.	Goldcrest	0	0	0	0	0	0	0	5	1	0	6	1	5	5 (25 Sep)	2	2	25 Sep	9 Oct
118.	Nuthatch	0	0	0	0	0	0	0	0	1	0	1	1	0	1 ( 2 Oct)	1	1	2 Oct	2 Oct
119.	Short-toed Tree Creeper	0	0	0	0	0	0	0	0	0	1	1	1	0	1 ( 6 Nov)	1	1	6 Nov	6 Nov
120.	Starling	15	1138	103	6	60	0	210	17148	12913	639	32232	30626	1606	5522 ( 2 Oct)	73	64	21 Feb	7 Nov
	Species	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
121.	Song Thrush	1	19	174	0	0	0	2	247	292	4	739	528	211	145 ( 9 Oct)	52	46	19 Feb	6 Nov
122.	Mistle Thrush	1	0	0	0	0	0	0	16	17	0	34	29	5	10 ( 2 Oct)	11	10	19 Feb	10 Oct
123.	Redwing	65	192	20	0	0	0	0	0	1812	228	2317	1960	357	1406 (23 Oct)	26	23	21 Feb	7 Nov
124.	Blackbird	2	2	2	0	0	0	0	11	10	20	47	34	13	17 ( 6 Nov)	22	19	21 Feb	7 Nov
125.	Fieldfare	19	133	205	22	0	0	0	0	16	9	404	27	377	81 (25 Mar)	20	18	19 Feb	6 Nov
126.	Ring Ouzel	0	1	14	0	0	0	0	0	0	0	15	3	12	6 (27 Apr)	7	6	30 Mar	27 Apr
127.	thrush sp.	0	7	16	0	0	0	0	0	0	0	23	1	22	7 (30 Mar)	7	6	30 Mar	20 Apr
128.	Spotted Flycatcher	0	0	0	0	0	0	0	1	0	0	1	1	0	1 (10 Sep)	1	1	10 Sep	10 Sep
129.	Robin	0	0	0	0	0	0	0	3	0	0	3	3	0	2 (23 Sep)	2	2	23 Sep	24 Sep
130.	Tree Sparrow	1	0	0	0	0	0	0	0	0	0	1	1	0	1 (21 Feb)	1	1	21 Feb	21 Feb
131.	House Sparrow	0	0	0	0	0	0	11	12	0	0	23	23	0	12 (20 Sep)	2	2	11 Aug	20 Sep
132.	Dunnock	0	8	8	0	0	0	0	33	28	0	77	60	17	12 ( 2 Oct)	26	23	19 Mar	23 Oct
133.	Blue-headed Wagtail	0	2	227	72	0	0	3	97	3	0	404	118	286	60 ( 1 May)	50	44	24 Mar	5 Oct
134.	Yellow Wagtail (flavissima)	0	0	1	6	0	0	0	0	0	0	7	0	7	5 ( 1 May)	3	3	25 Apr	3 May
135.	Grey-headed Wagtail	0	0	1	4	0	0	0	0	0	0	5	0	5	3 ( 1 May)	3	3	30 Apr	6 May
136.	Yellow wagtail sp.	0	0	1	18	0	0	7	0	0	0	26	8	18	10 ( 6 May)	7	6	28 Apr	25 Aug
137.	Grey Wagtail	0	0	0	0	0	0	0	53	41	5	99	95	4	15 (26 Sep)	26	23	9 Sep	7 Nov
138.	White Wagtail	5	51	84	7	0	0	22	310	132	7	618	485	133	50 (28 Sep)	67	59	23 Feb	7 Nov
139.	alba wagtail sp.	2	13	3	0	0	0	0	0	0	0	18	0	18	7 (19 Mar)	7	6	21 Feb	4 Apr
140.	Motacilla (wagtail) sp.	0	0	24	0	0	0	0	0	0	0	24	3	21	5 (11 Apr)	13	11	1 Apr	30 Apr
141.	Pied Wagtail	0	0	1	1	0	0	0	0	0	0	2	1	1	1 (30 Apr)	2	2	30 Apr	3 May
142.	Meadow Pipit	14	30	3130	56	0	0	0	6608	7237	1	17076	13864	3212	3462 ( 2 Oct)	72	63	19 Feb	6 Nov
143.	Tree Pipit	0	1	8	4	0	0	0	49	1	0	63	47	16	12 (12 Sep)	26	23	30 Mar	5 Oct
144.	Tree Pipit/Olive-backed Pipit	0	0	0	0	0	0	0	0	1	0	1	1	0	1 (16 Oct)	1	1	16 Oct	16 Oct
145.	Water Pipit	7	2	4	0	0	0	0	2	4	7	26	15	11	5 (19 Feb)	15	13	19 Feb	7 Nov
146.	pipit sp.	0	1	0	0	0	0	0	2	2	0	5	4	1	2 (30 Sep)	3	3	30 Mar	2 Oct
147.	Chaffinch	104	66	48	9	1	0	3	443	9487	72	10233	10005	228	2751 ( 5 Oct)	72	63	19 Feb	7 Nov
148.	Brambling	1	1	0	0	0	0	0	0	128	3	133	131	2	49 (16 Oct)	13	11	21 Feb	6 Nov
149.	Hawfinch	3	14	27	0	0	0	1	37	28	2	112	71	41	17 (19 Sep)	35	31	21 Feb	6 Nov
150.	Bullfinch	1	1	0	0	0	0	0	2	2	0	6	4	2	2 (22 Sep)	5	4	25 Feb	5 Oct
	Species	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
151.	Greenfinch	6	22	61	6	0	0	4	109	21	1	230	115	115	22 (11 Apr)	59	52	19 Feb	6 Nov
152.	Linnet	1	12	42	1	0	0	1	21	187	2	267	204	63	100 ( 2 Oct)	38	33	21 Feb	7 Nov
153.	Lesser Redpoll	0	0	0	0	0	0	0	0	0	1	1	1	0	1 ( 7 Nov)	1	1	7 Nov	7 Nov
154.	redpoll sp.	0	0	4	0	0	0	0	1	0	3	8	4	4	2 ( 2 Apr)	7	6	2 Apr	7 Nov
155.	Crossbill	0	0	0	0	0	0	0	41	13	0	54	54	0	15 (26 Sep)	9	8	3 Sep	5 Oct
156.	Goldfinch	6	31	115	12	1	0	13	212	128	44	562	358	204	63 (27 Sep)	74	65	19 Feb	7 Nov
157.	Siskin	12	10	0	0	0	0	0	30	371	235	658	549	109	151 ( 6 Nov)	34	30	19 Feb	7 Nov
158.	Reed Bunting	11	11	54	2	0	0	4	122	86	0	290	208	82	28 (26 Sep)	64	56	19 Feb	31 Oct
159.	passerine sp.	0	0	9	0	0	0	0	4	0	0	13	4	9	5 (14 Apr)	6	5	8 Apr	22 Sep
	Other species
	Species	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Small Tortoiseshell	0	1	0	0	0	0	0	0	0	0	1	0	1	1 (20 Mar)	1	1	20 Mar	20 Mar
2.	Brimstone	0	0	1	0	0	0	0	2	0	0	3	2	1	1 (20 Apr)	3	3	20 Apr	12 Sep
3.	European Peacock	0	0	0	0	0	0	0	2	3	0	5	3	2	1 (14 Sep)	6	5	14 Sep	9 Oct
4.	Green-veined White	0	0	0	0	0	0	0	8	0	0	8	8	0	2 (12 Sep)	7	6	12 Sep	26 Sep
5.	white sp. (butterfly)	0	0	0	0	0	0	0	62	2	0	64	64	0	29 ( 7 Sep)	11	10	7 Sep	9 Oct
6.	Red Admiral	0	0	0	0	0	0	0	247	23	0	270	262	8	127 (14 Sep)	20	18	7 Sep	9 Oct
	Other species
	Species	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Bumblebee sp.	0	6	13	0	0	0	0	10	0	0	29	10	19	6 (30 Mar)	17	15	30 Mar	27 Sep
	Species	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
	Totals	5971	7943	13618	3585	167	0	2308	42911	37006	2031	115540	84463	31077		100	88
	Observation hours	11:00	34:25	133:55	28:05	4:45	0:00	21:00	122:50	47:10	10:35	413:45

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Trektellen

Totals Hoogekampse Plas, De Bilt 2021