Also present

Abcoude A2 (nacht)

Totals 2021 - individuals

	Species	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	Maximum	Presence (%)	Presence (days)	First	Last
1.	Canada Goose	0	3	6	0	0	0	5	6	3	0	23	6 (28 May)	6	6	2 Apr	16 Nov
2.	Barnacle Goose	0	295	0	0	0	0	0	0	0	0	295	215 ( 2 Apr)	2	2	2 Apr	21 Apr
3.	Greylag Goose	0	0	0	0	4	12	7	8	1	0	32	6 (25 Aug)	14	15	2 Apr	16 Nov
4.	Eurasian White-fronted Goose	0	0	0	0	0	0	6	20	1	1	28	10 (29 Oct)	6	7	27 Sep	23 Dec
5.	Mute Swan	0	0	0	0	1	0	0	3	0	0	4	3 ( 7 Oct)	2	2	13 Jul	7 Oct
6.	Egyptian Goose	0	0	0	0	2	0	0	0	0	0	2	2 (22 Jul)	1	1	22 Jul	22 Jul
7.	Gadwall	0	1	0	0	0	4	19	12	0	0	36	4 ( 1 Sep)	13	14	2 Apr	24 Oct
8.	Wigeon	1	0	0	0	0	1	2	14	11	5	34	11 (16 Nov)	9	10	25 Mar	23 Dec
9.	Mallard	3	1	0	0	3	4	2	0	3	0	16	3 (16 Nov)	11	12	25 Mar	16 Nov
10.	Teal	1	5	0	0	0	0	0	0	0	0	6	3 (19 Apr)	3	3	24 Mar	20 Apr
11.	Pheasant	1	0	0	0	0	0	0	0	0	0	1	1 (25 Mar)	1	1	25 Mar	25 Mar
12.	Quail	0	0	1	0	1	0	0	0	0	0	2	1 (18 May)	2	2	18 May	9 Jul
13.	Water Rail	0	1	0	2	10	3	0	2	0	0	18	3 (10 Jul)	12	13	22 Apr	9 Oct
14.	Spotted Crake	1	0	0	0	0	0	0	0	0	0	1	1 (31 Mar)	1	1	31 Mar	31 Mar
15.	Moorhen	3	5	1	2	13	0	2	1	0	0	27	7 (12 Jul)	16	17	25 Mar	9 Oct
16.	Coot	2	2	1	0	5	0	3	1	0	0	14	1 (25 Mar)	13	14	25 Mar	10 Oct
17.	Little Grebe	0	0	0	0	0	1	0	0	0	0	1	1 (26 Aug)	1	1	26 Aug	26 Aug
18.	Oystercatcher	2	0	0	0	1	2	0	0	0	0	5	1 (25 Mar)	5	5	25 Mar	31 Aug
19.	Avocet	0	0	1	0	1	9	0	0	0	0	11	4 (20 Aug)	5	5	28 May	20 Aug
20.	Lapwing	1	0	0	0	1	1	0	0	0	0	3	1 (25 Mar)	3	3	25 Mar	21 Aug
21.	Golden Plover	1	0	0	0	0	3	12	2	0	0	18	3 ( 3 Sep)	10	11	31 Mar	8 Oct
22.	Ringed Plover	0	0	0	0	0	5	6	0	0	0	11	5 (21 Aug)	3	3	21 Aug	14 Sep
23.	Little Ringed Plover	3	3	0	1	3	1	2	0	0	0	13	2 (31 Mar)	10	11	24 Mar	14 Sep
24.	Whimbrel	0	1	0	0	1	7	0	0	0	0	9	3 (21 Aug)	6	7	21 Apr	26 Aug
25.	Curlew	0	10	0	1	2	5	0	0	1	0	19	9 (19 Apr)	9	10	19 Apr	16 Nov
26.	Black-tailed Godwit	1	3	1	0	0	0	0	0	0	0	5	1 (25 Mar)	5	5	25 Mar	18 May
27.	Curlew Sandpiper	0	0	0	0	0	0	2	0	0	0	2	1 (14 Sep)	2	2	14 Sep	17 Sep
28.	Dunlin	1	0	0	0	0	1	1	1	1	0	5	1 (25 Mar)	5	5	25 Mar	16 Nov
29.	Snipe	1	6	0	0	0	4	4	6	3	2	26	6 ( 3 Apr)	13	14	25 Mar	23 Dec
30.	Common Sandpiper	0	0	0	0	32	58	13	1	0	0	104	12 ( 4 Aug)	35	38	11 Jul	7 Oct
	Species	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	Maximum	Presence (%)	Presence (days)	First	Last
31.	Green Sandpiper	0	0	0	0	12	9	4	0	0	0	25	3 (21 Jul)	18	20	1 Jul	26 Sep
32.	Redshank	2	0	1	0	5	3	0	0	0	0	11	2 (25 Jul)	8	9	25 Mar	21 Aug
33.	Wood Sandpiper	0	0	0	0	0	1	0	0	0	0	1	1 ( 7 Aug)	1	1	7 Aug	7 Aug
34.	Black-headed Gull	2	0	0	1	8	2	0	1	0	0	14	4 (10 Jul)	9	10	24 Mar	10 Oct
35.	Mediterranean Gull	0	0	0	0	1	0	0	0	0	0	1	1 ( 4 Jul)	1	1	4 Jul	4 Jul
36.	Common Gull	4	0	0	0	0	0	0	0	0	0	4	2 (31 Mar)	3	3	24 Mar	31 Mar
37.	Herring Gull	0	0	0	0	1	0	0	0	0	0	1	1 (23 Jul)	1	1	23 Jul	23 Jul
38.	Lesser Black-backed Gull	0	0	0	0	0	1	0	0	0	0	1	1 (24 Aug)	1	1	24 Aug	24 Aug
39.	Laridae sp.	0	0	0	0	0	1	0	0	0	0	1	1 (24 Aug)	1	1	24 Aug	24 Aug
40.	Common Tern	0	0	0	0	2	0	0	0	0	0	2	2 ( 5 Jul)	1	1	5 Jul	5 Jul
41.	Bittern	0	1	0	0	0	0	0	2	0	0	3	2 ( 8 Oct)	2	2	2 Apr	8 Oct
42.	Little Bittern	0	0	0	0	1	0	0	0	0	0	1	1 (10 Jul)	1	1	10 Jul	10 Jul
43.	Night Heron	0	0	0	0	1	0	0	0	0	0	1	1 (16 Jul)	1	1	16 Jul	16 Jul
44.	Grey Heron	2	4	0	0	7	6	4	5	1	0	29	5 ( 9 Oct)	20	22	25 Mar	16 Nov
45.	Purple Heron	0	0	0	0	1	0	0	0	0	0	1	1 (10 Jul)	1	1	10 Jul	10 Jul
46.	Barn Owl	0	0	0	0	1	5	7	2	1	0	16	3 ( 6 Sep)	10	11	1 Jul	16 Nov
47.	Little Owl	0	0	0	0	0	0	1	0	0	0	1	1 (10 Sep)	1	1	10 Sep	10 Sep
48.	Long-eared Owl	0	0	0	0	1	1	0	0	0	0	2	1 ( 1 Jul)	2	2	1 Jul	11 Aug
49.	Carrion Crow	0	1	0	0	0	0	1	0	0	0	2	1 ( 2 Apr)	2	2	2 Apr	13 Sep
50.	Skylark	0	0	0	0	0	0	0	4	0	0	4	4 ( 9 Oct)	1	1	9 Oct	9 Oct
51.	Swallow	0	0	0	0	1	0	0	0	0	0	1	1 (12 Jul)	1	1	12 Jul	12 Jul
52.	Goldcrest	0	0	0	0	0	0	0	1	0	0	1	1 ( 9 Oct)	1	1	9 Oct	9 Oct
53.	Song Thrush	4	10	0	0	0	0	28	0	2	0	44	6 (18 Sep)	30	33	24 Mar	16 Nov
54.	Redwing	3	12	0	0	0	0	0	0	2	1	18	9 ( 1 Apr)	17	19	24 Mar	23 Dec
55.	Blackbird	2	0	0	0	0	1	0	53	2	0	58	23 ( 9 Oct)	13	14	24 Mar	16 Nov
56.	Fieldfare	0	2	0	0	0	0	0	0	0	0	2	2 (20 Apr)	1	1	20 Apr	20 Apr
57.	thrush sp.	0	0	0	0	0	0	0	3	0	0	3	3 ( 9 Oct)	1	1	9 Oct	9 Oct
58.	Robin	0	2	0	0	0	2	8	29	0	0	41	9 ( 9 Oct)	16	17	1 Apr	29 Oct
59.	Pied Flycatcher	0	0	0	0	0	1	0	0	0	0	1	1 ( 5 Aug)	1	1	5 Aug	5 Aug
60.	Black Redstart	1	0	0	0	0	0	0	0	0	0	1	1 (25 Mar)	1	1	25 Mar	25 Mar
	Species	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	Maximum	Presence (%)	Presence (days)	First	Last
61.	Dunnock	0	0	0	0	0	1	2	1	0	0	4	1 (21 Aug)	4	4	21 Aug	10 Oct
62.	Tree Pipit	0	0	0	0	0	3	4	0	0	0	7	1 (25 Aug)	6	7	25 Aug	26 Sep
63.	Water Pipit	1	0	0	0	0	0	0	0	0	0	1	1 (25 Mar)	1	1	25 Mar	25 Mar
64.	Chaffinch	0	0	0	0	0	0	0	2	0	0	2	1 ( 9 Oct)	2	2	9 Oct	10 Oct
65.	Brambling	0	0	0	0	0	0	0	0	1	0	1	1 (11 Nov)	1	1	11 Nov	11 Nov
66.	Hawfinch	1	0	0	0	0	0	0	0	0	0	1	1 (24 Mar)	1	1	24 Mar	24 Mar
67.	Ortolan Bunting	0	0	0	0	0	1	1	0	0	0	2	1 (25 Aug)	2	2	25 Aug	15 Sep
68.	Species unidentified	0	0	0	0	1	4	6	4	0	0	15	3 ( 9 Oct)	11	12	1 Jul	14 Oct
	Species	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	Maximum	Presence (%)	Presence (days)	First	Last
	Totals	44	368	12	7	123	163	152	184	33	9	1095	1095	11899		100	109
	Observation hours	27:30	62:34	19:21	11:40	177:58	187:08	186:19	84:30	18:00	4:00	779:00

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Trektellen

Abcoude A2 (nacht)

Totals 2021 - individuals