Also present

Totals Castricum aan Zee (zeetrek) 2023

	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Dark-bellied Brent Goose	312	142	684	229	1258	30	0	0	18	275	1103	370	4421	1379	3042	1172 (22 May)	49	51	1 Jan	30 Dec
2.	Canada Goose	0	0	1	0	0	26	0	0	0	0	0	0	27	0	27	26 (10 Jun)	2	2	26 Mar	10 Jun
3.	Barnacle Goose	53	0	18	657	51	0	0	0	0	0	2	0	781	8	773	429 (22 Apr)	12	13	29 Jan	11 Nov
4.	Greylag Goose	2	2	37	64	3	2	0	0	9	0	1	0	120	49	71	25 ( 5 Apr)	21	22	1 Jan	5 Nov
5.	Anser sp.	0	0	0	2	0	0	0	0	0	0	0	0	2	2	0	2 (30 Apr)	1	1	30 Apr	30 Apr
6.	goose sp.	0	0	0	0	0	0	0	0	17	0	0	0	17	17	0	17 (23 Sep)	1	1	23 Sep	23 Sep
7.	Domestic Goose	0	0	2	0	0	0	0	0	0	0	0	0	2	2	0	2 (26 Mar)	1	1	26 Mar	26 Mar
8.	Eurasian White-fronted Goose	37	4	0	0	0	0	0	0	0	12	0	0	53	37	16	37 ( 3 Jan)	3	3	3 Jan	5 Oct
9.	Mute Swan	0	0	0	0	4	0	0	0	0	0	0	0	4	0	4	4 (18 May)	1	1	18 May	18 May
10.	Egyptian Goose	5	0	6	70	5	0	0	0	0	0	0	0	86	34	52	38 ( 5 Apr)	13	14	1 Jan	27 May
11.	Shelduck	65	10	28	73	172	378	433	74	26	10	87	5	1361	315	1046	248 ( 9 Jul)	55	58	1 Jan	26 Dec
12.	Ruddy Shelduck	0	0	0	0	0	9	0	0	4	0	0	0	13	13	0	9 (10 Jun)	3	3	10 Jun	10 Sep
13.	Garganey	0	0	1	1	0	0	0	0	0	0	0	0	2	0	2	1 (15 Mar)	2	2	15 Mar	8 Apr
14.	Shoveler	0	0	34	111	1	2	2	2	1	0	0	3	156	26	130	37 ( 4 Apr)	18	19	15 Mar	30 Dec
15.	Gadwall	0	0	3	22	18	1	0	0	5	5	2	0	56	23	33	13 (22 Apr)	15	16	29 Mar	5 Nov
16.	Wigeon	551	19	459	1596	3	0	0	0	32	58	63	156	2937	449	2488	1551 ( 2 Apr)	47	49	1 Jan	30 Dec
17.	Mallard	1	0	4	4	0	2	2	0	0	3	0	0	16	7	9	4 (17 Mar)	8	8	1 Jan	6 Oct
18.	Pintail	0	13	33	17	1	0	0	0	8	13	15	4	104	28	76	24 (15 Mar)	19	20	1 Feb	30 Dec
19.	Teal	45	8	476	306	7	41	13	32	25	28	38	1	1020	467	553	338 (29 Mar)	51	54	1 Jan	30 Dec
20.	duck sp.	0	0	0	0	0	1	0	0	0	0	0	0	1	0	1	1 ( 9 Jun)	1	1	9 Jun	9 Jun
21.	Pochard	0	0	0	2	0	0	5	0	0	0	0	0	7	5	2	4 (15 Jul)	3	3	22 Apr	19 Jul
22.	Tufted Duck	0	0	1	16	1	0	10	2	17	2	0	0	49	14	35	16 (13 Sep)	10	11	15 Mar	1 Oct
23.	Scaup	0	0	8	2	1	0	0	0	0	5	3	0	19	8	11	8 (15 Mar)	5	5	15 Mar	19 Nov
24.	Eider	7	15	141	129	19	10	12	0	20	43	26	7	429	201	228	75 (26 Mar)	50	53	5 Jan	30 Dec
25.	Velvet Scoter	207	6	6	8	7	0	0	0	0	0	33	49	316	296	20	70 ( 5 Jan)	26	27	1 Jan	30 Dec
26.	Common Scoter	5482	1039	1336	1436	923	160	597	278	708	2045	4671	2975	21650	14355	7295	1713 ( 2 Jan)	100	105	1 Jan	30 Dec
27.	Long-tailed Duck	1	0	0	0	0	0	0	0	0	0	0	0	1	1	0	1 ( 3 Jan)	1	1	3 Jan	3 Jan
28.	Goldeneye	0	0	0	0	0	0	0	0	0	0	8	1	9	9	0	6 (15 Nov)	4	4	14 Nov	20 Dec
29.	Smew	1	0	0	0	0	0	0	0	0	0	0	0	1	1	0	1 ( 3 Jan)	1	1	3 Jan	3 Jan
30.	Goosander	0	0	4	1	0	0	0	0	0	3	0	2	10	8	2	4 (26 Mar)	4	4	26 Mar	2 Dec
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
31.	Red-breasted Merganser	8	9	26	102	10	0	3	0	5	24	23	1	211	82	129	18 ( 8 Apr)	44	46	2 Jan	30 Dec
32.	Swift	0	0	0	0	0	4	0	0	0	0	0	0	4	0	4	2 ( 9 Jun)	2	2	9 Jun	10 Jun
33.	Red-necked Grebe	1	0	0	0	0	0	0	0	0	0	1	1	3	1	2	1 (11 Jan)	3	3	11 Jan	2 Dec
34.	Great Crested Grebe	153	10	11	6	5	1	8	11	5	27	112	28	377	299	78	55 ( 2 Jan)	52	55	1 Jan	30 Dec
35.	Slavonian Grebe	1	0	0	0	0	0	0	0	0	0	0	0	1	1	0	1 ( 8 Jan)	1	1	8 Jan	8 Jan
36.	Oystercatcher	2	5	19	126	218	54	25	28	1	12	0	2	492	165	327	68 (13 May)	48	50	3 Jan	10 Dec
37.	Avocet	0	0	0	12	1	4	0	0	0	0	0	0	17	0	17	7 (22 Apr)	5	5	12 Apr	10 Jun
38.	Grey Plover	0	0	1	29	245	100	0	0	3	10	4	0	392	15	377	142 (27 May)	20	21	29 Mar	14 Nov
39.	Golden Plover	0	0	0	1	0	0	0	19	3	1	0	0	24	21	3	18 (19 Aug)	6	6	19 Apr	1 Oct
40.	Ringed Plover	0	0	0	4	148	18	0	3	3	140	0	0	316	145	171	138 ( 1 Oct)	17	18	8 Apr	5 Oct
41.	Kentish Plover	0	0	0	2	0	0	0	0	0	0	0	0	2	0	2	2 ( 2 Apr)	1	1	2 Apr	2 Apr
42.	Whimbrel	0	0	0	29	26	0	47	5	0	2	0	0	109	53	56	24 (15 Jul)	19	20	12 Apr	4 Oct
43.	Curlew	0	7	1	21	0	3	5	18	1	6	19	0	81	46	35	16 (27 Aug)	25	26	1 Feb	20 Nov
44.	Bar-tailed Godwit	0	0	0	68	4	2	2	2	0	2	0	0	80	5	75	34 (19 Apr)	13	14	8 Apr	6 Oct
45.	Snipe	0	0	1	0	0	0	0	0	2	6	0	0	9	8	1	6 ( 4 Oct)	3	3	11 Mar	4 Oct
46.	Grey Phalarope	0	0	0	0	0	0	0	0	0	0	5	0	5	4	1	2 (14 Nov)	4	4	3 Nov	14 Nov
47.	Common Sandpiper	0	0	0	0	2	0	2	0	1	0	0	0	5	3	2	1 (22 May)	5	5	22 May	8 Sep
48.	Wood Sandpiper	0	0	0	0	0	0	0	1	0	0	0	0	1	1	0	1 (18 Aug)	1	1	18 Aug	18 Aug
49.	Redshank	0	0	2	5	20	6	4	26	0	0	0	0	63	27	36	20 ( 7 Aug)	12	13	26 Mar	27 Aug
50.	Greenshank	0	0	0	0	1	0	0	0	0	0	0	0	1	0	1	1 (27 May)	1	1	27 May	27 May
51.	Turnstone	0	0	0	0	15	2	1	85	6	1	1	0	111	59	52	33 (18 Aug)	15	16	14 May	19 Nov
52.	Knot	0	7	1	8	72	7	2	76	28	5	2	0	208	73	135	74 (18 Aug)	17	18	8 Feb	26 Nov
53.	Ruff	0	0	0	2	0	0	0	4	0	0	0	0	6	4	2	4 (19 Aug)	2	2	15 Apr	19 Aug
54.	wader sp.	0	0	0	4	0	0	0	0	3	2	1	0	10	1	9	4 (15 Apr)	4	4	15 Apr	15 Nov
55.	Curlew Sandpiper	0	0	0	0	0	0	2	0	0	0	0	0	2	0	2	2 (21 Jul)	1	1	21 Jul	21 Jul
56.	Sanderling	1	25	15	160	1339	58	53	33	67	55	6	15	1827	140	1687	502 (27 May)	38	40	3 Jan	2 Dec
57.	Dunlin	14	8	3818	286	107	0	8	14	33	221	305	0	4814	572	4242	3335 (11 Mar)	42	44	3 Jan	26 Nov
58.	Purple Sandpiper	0	0	0	0	0	0	0	0	0	4	0	0	4	4	0	3 ( 6 Oct)	2	2	1 Oct	6 Oct
59.	Little Stint	0	0	0	0	9	0	2	0	0	0	0	0	11	0	11	5 (18 May)	4	4	18 May	21 Jul
60.	Calidris sp.	0	0	0	0	1	7	5	15	0	8	15	0	51	43	8	15 ( 5 Nov)	9	9	7 May	5 Nov
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
61.	Little Tern	0	0	0	6	36	5	0	9	0	0	0	0	56	8	48	30 (28 May)	10	11	19 Apr	26 Aug
62.	Caspian Tern	0	0	0	0	0	0	2	3	0	0	0	0	5	5	0	3 (23 Aug)	2	2	13 Jul	23 Aug
63.	Black Tern	0	0	0	47	310	73	4	49	12	0	0	0	495	31	464	235 (28 May)	24	25	12 Apr	13 Sep
64.	White-winged Black Tern	0	0	0	0	0	0	0	1	0	0	0	0	1	1	0	1 (18 Aug)	1	1	18 Aug	18 Aug
65.	Arctic Tern	0	0	0	7	15	11	1	1	0	16	4	0	55	21	34	12 ( 3 May)	15	16	5 Apr	9 Nov
66.	Common/Arctic Tern	0	0	0	811	445	714	565	4145	6150	151	10	0	12991	8747	4244	2421 (13 Sep)	43	45	15 Apr	20 Nov
67.	Common Tern	0	0	2	505	2683	609	1375	1545	107	1	0	0	6827	3834	2993	1131 ( 7 May)	35	37	26 Mar	6 Oct
68.	Sandwich Tern	0	0	12	249	631	660	1159	2018	1005	1301	53	0	7088	4522	2566	496 ( 1 Oct)	66	69	4 Mar	15 Nov
69.	Little Gull	17	6	2116	3552	499	2	1	4	9	77	396	40	6719	1433	5286	1647 ( 2 Apr)	58	61	5 Jan	30 Dec
70.	Kittiwake	2236	199	0	0	6	0	8	4	3	186	893	990	4525	4127	398	623 ( 8 Jan)	43	45	1 Jan	30 Dec
71.	Sabine's Gull	0	0	0	0	0	0	0	0	0	3	0	0	3	3	0	2 ( 6 Oct)	2	2	6 Oct	14 Oct
72.	Black-headed Gull	98	47	350	262	606	534	3325	900	225	339	195	34	6915	4794	2121	846 (13 Jul)	93	98	1 Jan	30 Dec
73.	Mediterranean Gull	0	0	2	1	1	8	26	1	2	0	2	1	44	25	19	5 ( 9 Jul)	21	22	25 Mar	10 Dec
74.	Common Gull	415	451	886	3224	863	520	290	123	565	1826	2198	515	11876	5141	6735	1137 ( 2 Apr)	97	102	1 Jan	30 Dec
75.	Caspian Gull	1	1	0	1	0	0	0	0	2	1	9	2	17	17	0	3 ( 4 Nov)	11	12	1 Jan	24 Dec
76.	Herring Gull	0	0	0	0	0	0	0	0	1	0	0	0	1	0	1	1 (19 Sep)	1	1	19 Sep	19 Sep
77.	Yellow-legged Gull	0	0	0	0	0	0	1	1	0	0	0	0	2	2	0	1 (20 Jul)	2	2	20 Jul	11 Aug
78.	Great Black-backed Gull	3	0	2	0	1	0	1	1	3	14	0	1	26	16	10	14 ( 1 Oct)	10	11	1 Jan	6 Dec
79.	Glaucous Gull	0	0	0	0	1	0	0	0	0	0	0	0	1	0	1	1 (27 May)	1	1	27 May	27 May
80.	Lesser Black-backed Gull	3	1	17	0	0	0	0	0	2	0	0	3	26	4	22	17 ( 4 Mar)	8	8	1 Jan	30 Dec
81.	Laridae sp.	0	0	0	0	0	0	0	0	0	1	0	0	1	1	0	1 ( 6 Oct)	1	1	6 Oct	6 Oct
82.	Long-tailed Skua	0	0	0	0	0	0	0	0	1	7	0	0	8	6	2	3 ( 1 Oct)	6	6	13 Sep	22 Oct
83.	skua sp.	0	0	0	0	0	0	0	1	1	13	4	0	19	15	4	4 ( 3 Oct)	12	13	31 Aug	14 Nov
84.	Arctic Skua	2	0	0	0	2	1	3	12	39	124	29	1	213	139	74	31 ( 5 Oct)	37	39	5 Jan	10 Dec
85.	S. parasiticus / pomarinus	0	0	0	0	0	0	0	0	0	5	0	0	5	3	2	3 (14 Oct)	2	2	11 Oct	14 Oct
86.	Pomarine Skua	0	0	0	0	0	0	0	0	0	3	2	0	5	4	1	1 ( 1 Oct)	5	5	1 Oct	9 Nov
87.	Great Skua	0	0	0	0	0	0	0	0	0	4	6	0	10	7	3	2 (15 Nov)	8	8	3 Oct	20 Nov
88.	Puffin	1	0	0	0	0	0	0	0	0	0	0	1	2	1	1	1 ( 1 Jan)	2	2	1 Jan	26 Dec
89.	Razorbill	23	0	0	0	0	0	0	0	9	125	18	8	183	137	46	101 ( 1 Oct)	30	31	1 Jan	30 Dec
90.	Razorbill/Guillemot	1292	0	0	0	0	0	1	3	75	864	296	891	3422	2661	761	635 ( 8 Jan)	45	47	1 Jan	30 Dec
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
91.	Guillemot	42	0	0	0	0	0	0	0	3	9	4	48	106	95	11	48 (30 Dec)	13	14	1 Jan	30 Dec
92.	Red-throated Diver	744	23	40	18	2	0	2	1	14	255	157	334	1590	1340	250	240 ( 2 Dec)	49	51	1 Jan	30 Dec
93.	Black-throated Diver	0	0	1	4	1	0	0	0	0	0	0	1	7	1	6	4 (12 Apr)	4	4	4 Mar	6 Dec
94.	Great Northern Diver	1	0	0	0	0	0	0	0	0	0	2	0	3	2	1	2 (14 Nov)	2	2	22 Jan	14 Nov
95.	diver sp.	910	31	211	13	0	0	0	0	26	174	562	738	2665	2071	594	297 ( 1 Jan)	51	54	1 Jan	30 Dec
96.	Leach's Petrel	0	0	0	0	0	0	0	0	1	1	2	0	4	2	2	2 ( 3 Nov)	3	3	28 Sep	3 Nov
97.	Fulmar	0	0	0	0	0	0	0	1	0	1	0	0	2	2	0	1 (25 Aug)	2	2	25 Aug	4 Oct
98.	Sooty Shearwater	0	0	0	0	0	0	0	0	8	26	1	0	35	33	2	11 ( 6 Oct)	8	8	19 Sep	20 Nov
99.	Manx Shearwater	0	0	0	0	0	0	0	0	5	1	0	0	6	3	3	3 (23 Sep)	4	4	10 Sep	7 Oct
100.	Balearic Shearwater	0	0	0	0	0	0	0	0	0	1	0	0	1	1	0	1 ( 6 Oct)	1	1	6 Oct	6 Oct
101.	Gannet	87	18	18	11	29	8	12	159	606	2838	169	444	4399	3078	1321	669 ( 1 Oct)	73	77	1 Jan	30 Dec
102.	Cormorant	98	0	0	0	0	0	0	126	122	0	0	0	346	253	93	117 (31 Aug)	8	8	1 Jan	19 Sep
103.	Spoonbill	0	0	0	0	0	0	0	3	59	73	3	0	138	138	0	59 (10 Sep)	5	5	11 Aug	5 Nov
104.	Little Egret	0	0	0	0	0	1	0	0	0	0	0	0	1	1	0	1 ( 9 Jun)	1	1	9 Jun	9 Jun
105.	Great White Egret	0	0	0	1	0	0	0	0	1	0	0	0	2	1	1	1 (15 Apr)	2	2	15 Apr	8 Sep
106.	Grey Heron	0	0	0	1	0	4	2	12	2	0	0	0	21	15	6	8 (19 Aug)	8	8	22 Apr	8 Sep
107.	Sparrowhawk	0	0	0	0	0	0	0	0	0	0	1	0	1	1	0	1 (11 Nov)	1	1	11 Nov	11 Nov
108.	Marsh Harrier	0	0	0	1	0	0	0	0	0	0	0	0	1	0	1	1 (30 Apr)	1	1	30 Apr	30 Apr
109.	Kestrel	0	0	0	0	0	0	0	1	0	1	0	0	2	2	0	1 (11 Aug)	2	2	11 Aug	9 Oct
110.	Peregrine	1	0	1	0	1	0	0	0	2	0	0	0	5	1	4	1 ( 6 Jan)	5	5	6 Jan	23 Sep
111.	Rook	0	0	0	2	0	0	0	0	0	0	0	0	2	1	1	1 ( 5 Apr)	2	2	5 Apr	12 Apr
112.	Skylark	0	0	1	0	0	0	0	0	0	60	10	0	71	70	1	60 ( 9 Oct)	6	6	26 Mar	14 Nov
113.	Shore Lark	0	0	0	0	0	0	0	0	0	0	10	0	10	10	0	10 ( 8 Nov)	1	1	8 Nov	8 Nov
114.	Swallow	0	0	0	0	2	0	0	0	0	0	0	0	2	2	0	2 ( 3 May)	1	1	3 May	3 May
115.	Zitting Cisticola	0	0	0	0	0	0	0	1	0	0	0	0	1	1	0	1 (18 Aug)	1	1	18 Aug	18 Aug
116.	Starling	0	0	91	0	0	0	0	0	0	0	3720	0	3811	3655	156	2605 ( 8 Nov)	4	4	26 Mar	11 Nov
117.	Grey Wagtail	0	0	0	0	0	1	0	0	0	11	0	0	12	11	1	6 ( 9 Oct)	5	5	10 Jun	15 Oct
118.	alba wagtail sp.	1	0	0	0	0	0	0	0	0	0	0	0	1	0	1	1 (21 Jan)	1	1	21 Jan	21 Jan
119.	Meadow Pipit	0	0	1	0	0	0	0	0	0	0	1	0	2	1	1	1 (26 Mar)	2	2	26 Mar	8 Nov
120.	Chaffinch	0	0	0	0	0	0	0	0	0	0	10	0	10	10	0	10 ( 8 Nov)	1	1	8 Nov	8 Nov
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
121.	Snow Bunting	2	0	0	0	0	0	0	0	0	0	1	2	5	1	4	1 ( 3 Jan)	5	5	3 Jan	6 Dec
	Other species
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Harbour Porpoise	12	6	6	1	2	3	8	5	2	2	5	0	52	21	31	7 (19 Jul)	27	28	1 Jan	26 Nov
2.	Grey seal	0	0	0	0	0	0	0	1	0	0	0	0	1	0	1	1 (23 Aug)	1	1	23 Aug	23 Aug
3.	Common Seal	0	0	0	0	0	0	1	0	0	0	0	0	1	0	1	1 (19 Jul)	1	1	19 Jul	19 Jul
4.	Common / Grey seal	0	0	0	0	0	0	1	0	0	0	0	0	1	0	1	1 (21 Jul)	1	1	21 Jul	21 Jul
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
	Totals	12938	2112	10934	14328	10833	4082	8031	9859	10113	11542	15319	7674	117765	66054	51711		100	105
	Observation hours	19:00	6:00	14:53	23:15	17:00	8:30	22:00	21:08	17:28	38:10	24:55	14:40	226:59

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Trektellen

Totals Castricum aan Zee (zeetrek) 2023