Totals Castricum aan Zee (zeetrek) 2022

Year
Period
count-field
Also present

	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	53	57	387	594	11	0	0	0	33	47	99	176	1457	142	1315	159 (10 Apr)	48	51	9 Jan	29 Dec
2.	Canada Goose	0	0	9	15	0	0	0	1	0	0	2	0	27	9	18	9 (10 Apr)	9	10	16 Mar	19 Nov
3.	Barnacle Goose	0	24	499	486	0	10	0	0	0	0	88	0	1107	144	963	324 (11 Apr)	21	22	12 Feb	19 Nov
4.	Greylag Goose	0	19	218	35	0	0	0	0	0	14	45	4	335	95	240	76 (23 Mar)	26	28	22 Feb	18 Dec
5.	goose sp.	0	0	0	0	0	0	0	0	0	95	445	0	540	540	0	423 (13 Nov)	3	3	3 Oct	13 Nov
6.	Domestic Goose	0	0	1	0	0	0	0	0	0	0	0	0	1	0	1	1 (26 Mar)	1	1	26 Mar	26 Mar
7.	Pink-footed Goose	0	0	0	0	0	0	0	0	0	0	112	0	112	112	0	112 (13 Nov)	1	1	13 Nov	13 Nov
8.	Tundra Bean Goose	0	0	0	0	0	0	0	0	0	0	210	0	210	210	0	210 (13 Nov)	1	1	13 Nov	13 Nov
9.	Eurasian White-fronted Goose	0	3	1	0	0	0	0	0	0	0	70	37	111	73	38	70 (13 Nov)	5	5	5 Feb	18 Dec
10.	Black Swan	0	0	1	0	0	0	0	0	0	0	0	0	1	1	0	1 ( 2 Mar)	1	1	2 Mar	2 Mar
11.	Mute Swan	0	0	0	0	0	2	0	0	2	0	0	0	4	0	4	2 (29 Jun)	2	2	29 Jun	6 Sep
12.	Bewick's Swan	0	0	0	0	0	0	0	0	0	0	1	0	1	0	1	1 (20 Nov)	1	1	20 Nov	20 Nov
13.	Egyptian Goose	1	16	42	20	2	0	2	0	0	0	15	30	128	53	75	29 (14 Dec)	20	21	27 Jan	18 Dec
14.	Shelduck	32	13	77	173	20	263	446	71	22	27	15	14	1173	152	1021	249 ( 9 Jul)	62	66	3 Jan	31 Dec
15.	Garganey	0	0	114	4	0	0	0	1	0	0	0	0	119	6	113	61 (16 Mar)	9	10	10 Mar	21 Aug
16.	Shoveler	0	4	811	361	0	0	0	5	7	0	14	0	1202	85	1117	293 (22 Mar)	28	30	26 Feb	16 Nov
17.	Gadwall	0	0	33	13	0	4	1	2	2	0	8	7	70	30	40	18 (23 Mar)	16	17	2 Mar	14 Dec
18.	Wigeon	7	22	869	370	0	0	3	1	36	13	371	97	1789	357	1432	409 (18 Mar)	48	51	3 Jan	31 Dec
19.	Mallard	0	0	0	2	2	0	9	2	1	0	9	0	25	8	17	9 (17 Jul)	7	7	8 Apr	19 Nov
20.	Pintail	0	23	421	30	0	0	0	6	4	2	6	2	494	16	478	213 (23 Mar)	21	23	12 Feb	26 Dec
21.	Teal	0	2	945	997	3	0	16	38	39	10	69	16	2135	208	1927	549 ( 2 Apr)	57	61	26 Feb	18 Dec
22.	duck sp.	0	0	0	0	1	0	0	0	2	0	2	0	5	0	5	2 (16 Sep)	3	3	9 May	19 Nov
23.	Pochard	0	0	13	0	0	0	0	0	3	8	6	1	31	13	18	10 (13 Mar)	7	8	13 Mar	14 Dec
24.	Tufted Duck	0	0	10	32	5	1	3	2	36	1	6	7	103	24	79	19 (26 Sep)	19	20	2 Mar	14 Dec
25.	Scaup	0	0	6	4	2	0	0	0	1	1	32	7	53	31	22	32 (19 Nov)	7	7	6 Mar	3 Dec
26.	Eider	10	67	186	167	17	2	1	0	12	2	32	11	507	194	313	47 (12 Feb)	52	56	3 Jan	29 Dec
27.	Velvet Scoter	4	0	5	49	0	0	0	0	1	5	8	186	258	191	67	92 (27 Dec)	23	25	9 Jan	30 Dec
28.	Common Scoter	201	160	890	6871	116	62	411	57	828	444	1269	7222	18531	8766	9765	3222 (27 Dec)	96	103	3 Jan	31 Dec
29.	Long-tailed Duck	0	0	0	2	0	0	0	0	0	0	1	3	6	3	3	1 (10 Apr)	6	6	10 Apr	30 Dec
30.	Goldeneye	2	2	5	6	0	5	0	0	0	2	25	6	53	26	27	22 (13 Nov)	11	12	9 Jan	14 Dec
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
31.	Smew	0	0	0	0	0	0	0	0	0	0	1	0	1	1	0	1 (19 Nov)	1	1	19 Nov	19 Nov
32.	Goosander	0	0	2	0	0	0	0	0	0	0	2	10	14	9	5	8 (14 Dec)	4	4	22 Mar	18 Dec
33.	Red-breasted Merganser	21	5	130	423	16	5	1	0	12	22	24	19	678	98	580	311 (10 Apr)	59	63	9 Jan	30 Dec
34.	Swift	0	0	0	0	0	2	0	0	0	0	0	0	2	2	0	2 (29 Jun)	1	1	29 Jun	29 Jun
35.	Feral Pigeon	0	0	0	2	0	0	1	0	0	0	0	0	3	2	1	2 (24 Apr)	2	2	24 Apr	3 Jul
36.	Red-necked Grebe	1	0	0	1	0	0	0	0	1	0	9	1	13	8	5	4 (20 Nov)	7	7	9 Jan	26 Dec
37.	Great Crested Grebe	145	129	546	63	11	4	12	4	10	9	271	560	1764	1195	569	321 ( 2 Mar)	75	80	3 Jan	31 Dec
38.	Black-necked / Slavonian Grebe	0	0	0	2	0	0	0	0	0	0	0	0	2	0	2	2 (10 Apr)	1	1	10 Apr	10 Apr
39.	Oystercatcher	0	0	68	146	61	4	14	4	16	0	2	0	315	61	254	48 (27 Apr)	38	41	2 Mar	24 Nov
40.	Avocet	0	0	319	17	0	0	0	0	0	0	0	0	336	0	336	214 (21 Mar)	10	11	9 Mar	30 Apr
41.	Grey Plover	0	0	4	492	183	0	0	1	0	1	2	0	683	5	678	147 ( 8 May)	19	20	6 Mar	19 Nov
42.	Golden Plover	0	0	0	0	0	0	0	2	6	0	18	3	29	21	8	18 (10 Nov)	6	6	11 Aug	18 Dec
43.	Ringed Plover	0	0	4	47	3	0	0	6	10	0	0	0	70	9	61	30 (23 Apr)	15	16	16 Mar	26 Sep
44.	Little Ringed Plover	0	0	1	1	0	0	0	0	0	0	0	0	2	0	2	1 (18 Mar)	2	2	18 Mar	26 Apr
45.	Lapwing	0	0	0	1	0	0	0	0	0	0	446	427	874	873	1	427 (18 Dec)	5	5	20 Apr	18 Dec
46.	Whimbrel	0	0	0	226	19	4	6	1	0	0	0	0	256	12	244	60 (23 Apr)	16	17	2 Apr	21 Aug
47.	Curlew	1	0	18	86	1	70	14	3	6	0	6	46	251	139	112	62 (29 Jun)	37	40	30 Jan	18 Dec
48.	Bar-tailed Godwit	0	0	0	6024	237	0	0	0	2	0	0	0	6263	0	6263	2912 (26 Apr)	16	17	2 Apr	16 Sep
49.	Black-tailed Godwit	0	0	1	0	0	0	0	0	0	0	0	0	1	1	0	1 ( 2 Mar)	1	1	2 Mar	2 Mar
50.	Snipe	0	0	2	1	0	0	0	1	1	0	0	28	33	29	4	28 (18 Dec)	6	6	22 Mar	18 Dec
51.	Grey Phalarope	0	0	0	0	0	0	0	0	0	0	1	0	1	1	0	1 (16 Nov)	1	1	16 Nov	16 Nov
52.	Common Sandpiper	0	0	0	0	0	0	0	0	1	0	0	0	1	1	0	1 (24 Sep)	1	1	24 Sep	24 Sep
53.	Green Sandpiper	0	0	0	1	0	1	0	2	0	0	0	0	4	3	1	2 (11 Aug)	3	3	11 Apr	11 Aug
54.	Wood Sandpiper	0	0	0	0	0	0	0	1	0	0	0	0	1	0	1	1 ( 9 Aug)	1	1	9 Aug	9 Aug
55.	Redshank	0	0	21	96	5	1	14	7	0	0	0	3	147	7	140	48 (23 Apr)	18	19	2 Mar	18 Dec
56.	Spotted Redshank	0	0	0	16	0	0	0	0	0	0	0	0	16	0	16	16 (23 Apr)	1	1	23 Apr	23 Apr
57.	Greenshank	0	0	0	13	0	0	0	3	0	0	0	0	16	3	13	11 (23 Apr)	5	5	23 Apr	15 Aug
58.	Turnstone	0	0	0	26	38	0	8	0	4	0	0	1	77	5	72	36 ( 3 May)	8	9	23 Apr	14 Dec
59.	Knot	0	0	1	95	1142	0	5	0	7	0	45	0	1295	46	1249	1057 ( 8 May)	18	19	6 Mar	19 Nov
60.	Ruff	0	0	10	5	0	0	0	0	0	0	26	0	41	26	15	26 (13 Nov)	4	4	19 Mar	13 Nov
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
61.	wader sp.	0	0	12	17	0	0	0	2	0	0	2	0	33	2	31	11 (24 Apr)	7	7	6 Mar	10 Nov
62.	large wader	0	0	2	866	0	0	0	0	0	0	0	0	868	0	868	824 (26 Apr)	4	4	24 Mar	26 Apr
63.	Curlew Sandpiper	0	0	0	3	0	0	0	0	0	0	0	0	3	0	3	3 (23 Apr)	1	1	23 Apr	23 Apr
64.	Sanderling	0	204	159	268	101	0	12	8	32	4	97	15	900	122	778	180 (26 Feb)	39	42	12 Feb	27 Dec
65.	Dunlin	0	11	4778	1060	78	1	6	7	57	4	175	14	6191	199	5992	3608 (23 Mar)	50	53	17 Feb	21 Dec
66.	Little Stint	0	0	0	1	1	0	0	0	2	0	0	0	4	0	4	2 (17 Sep)	3	3	27 Apr	17 Sep
67.	Calidris sp.	0	0	6	14	0	0	0	2	7	11	59	0	99	69	30	40 (16 Nov)	11	12	5 Mar	18 Nov
68.	Little Tern	0	0	0	265	69	0	0	6	2	0	0	0	342	10	332	113 (27 Apr)	14	15	10 Apr	19 Sep
69.	Black Tern	0	0	0	116	119	0	0	23	2	0	0	0	260	21	239	115 ( 3 May)	16	17	20 Apr	16 Sep
70.	Arctic Tern	0	0	0	450	27	5	0	4	1	0	0	0	487	2	485	149 (27 Apr)	10	11	11 Apr	18 Sep
71.	Common/Arctic Tern	0	0	0	6197	1550	17	77	541	68	4	1	0	8455	1139	7316	2835 (30 Apr)	36	38	2 Apr	2 Nov
72.	Common Tern	0	0	1	1152	1885	331	776	568	153	0	0	0	4866	1892	2974	1352 ( 8 May)	33	35	24 Mar	24 Sep
73.	Sandwich Tern	0	0	8	2106	294	708	717	716	1493	235	5	0	6282	2950	3332	653 (30 Apr)	58	62	16 Mar	24 Nov
74.	Little Gull	0	0	94	5626	159	1	2	6	22	13	302	17	6242	397	5845	1522 (27 Apr)	48	51	5 Mar	30 Dec
75.	Kittiwake	969	312	0	0	1	0	0	0	3	0	24	853	2162	1669	493	521 ( 3 Jan)	23	25	3 Jan	31 Dec
76.	Black-headed Gull	112	194	1887	665	51	1579	4192	2285	4044	1721	5364	582	22676	16483	6193	2392 (13 Nov)	92	98	3 Jan	29 Dec
77.	Mediterranean Gull	0	0	3	10	2	5	14	4	5	1	0	0	44	23	21	5 (29 Jun)	21	23	17 Mar	1 Oct
78.	Common Gull	368	360	3852	3748	110	40	261	370	2742	671	1740	556	14818	5097	9721	1892 (23 Mar)	91	97	3 Jan	31 Dec
79.	Caspian Gull	0	0	1	1	0	0	0	0	1	4	6	0	13	10	3	4 (13 Nov)	8	9	24 Mar	19 Nov
80.	Yellow-legged Gull	0	0	1	0	0	0	1	1	0	1	0	1	5	5	0	1 (13 Mar)	5	5	13 Mar	30 Dec
81.	Great Black-backed Gull	11	4	5	0	0	0	4	10	0	17	0	0	51	23	28	16 (30 Oct)	13	14	9 Jan	30 Oct
82.	Lesser Black-backed Gull	8	4	6	0	0	0	0	0	0	14	28	3	63	54	9	22 (18 Nov)	16	17	3 Jan	27 Dec
83.	Long-tailed Skua	0	0	0	0	0	0	0	0	4	1	0	0	5	1	4	4 (18 Sep)	2	2	18 Sep	2 Oct
84.	skua sp.	0	0	0	1	0	0	0	0	10	1	0	0	12	5	7	3 (16 Sep)	7	7	9 Apr	8 Oct
85.	Arctic Skua	0	0	0	11	0	0	1	0	51	17	9	0	89	31	58	27 (18 Sep)	22	24	8 Apr	25 Nov
86.	Pomarine Skua	0	0	0	0	0	0	0	0	2	2	1	0	5	3	2	2 ( 2 Oct)	4	4	16 Sep	5 Nov
87.	Puffin	0	0	0	0	0	0	0	0	0	0	0	3	3	2	1	1 (27 Dec)	3	3	27 Dec	31 Dec
88.	Razorbill	1	7	1	0	0	0	0	0	2	26	10	4	51	46	5	20 (29 Oct)	14	15	3 Jan	18 Dec
89.	Razorbill/Guillemot	1774	164	0	33	0	0	0	0	30	397	1168	311	3877	3332	545	728 (16 Nov)	48	51	3 Jan	31 Dec
90.	Little Auk	0	0	0	0	0	0	0	0	0	0	12	0	12	2	10	12 (20 Nov)	1	1	20 Nov	20 Nov
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
91.	Guillemot	61	21	0	0	0	0	0	0	4	11	6	6	109	94	15	21 ( 9 Jan)	21	23	3 Jan	30 Dec
92.	Red-throated Diver	179	53	33	53	2	0	0	0	34	47	707	1677	2785	2331	454	491 (30 Dec)	64	68	3 Jan	31 Dec
93.	Black-throated Diver	0	0	1	15	0	0	0	0	0	1	1	1	19	2	17	6 (27 Apr)	8	9	2 Mar	12 Dec
94.	Great Northern Diver	0	0	0	1	0	0	0	0	0	0	1	0	2	1	1	1 (27 Apr)	2	2	27 Apr	10 Nov
95.	diver sp.	813	174	153	267	3	1	0	0	34	109	562	1333	3449	2332	1117	559 (22 Dec)	65	70	3 Jan	31 Dec
96.	Leach's Petrel	0	0	0	0	0	0	0	0	0	1	0	1	2	2	0	1 ( 8 Oct)	2	2	8 Oct	29 Dec
97.	Fulmar	0	0	0	5	0	0	0	0	1	0	0	0	6	1	5	3 (10 Apr)	4	4	8 Apr	19 Sep
98.	Sooty Shearwater	0	0	0	0	0	0	0	0	67	1	4	3	75	8	67	29 (16 Sep)	7	8	15 Sep	26 Dec
99.	Manx Shearwater	0	0	0	0	0	2	1	0	0	0	0	0	3	2	1	2 (29 Jun)	2	2	29 Jun	7 Jul
100.	Balearic Shearwater	0	0	0	0	0	0	3	1	0	0	0	0	4	1	3	3 ( 7 Jul)	2	2	7 Jul	9 Aug
101.	Gannet	162	15	31	313	2	2	112	11	7	73	48	211	987	449	538	235 (10 Apr)	65	70	3 Jan	31 Dec
102.	Cormorant	328	730	6	0	0	0	4	0	9	0	0	34	1111	244	867	730 (12 Feb)	7	8	3 Jan	31 Dec
103.	Spoonbill	0	0	3	0	1	0	0	1	0	0	0	0	5	1	4	3 (22 Mar)	3	3	22 Mar	22 Aug
104.	Great White Egret	0	0	1	0	0	0	0	2	0	0	16	0	19	18	1	16 (13 Nov)	4	4	9 Mar	13 Nov
105.	Grey Heron	0	0	4	1	0	0	1	2	0	0	1	2	11	6	5	3 (23 Mar)	7	8	13 Mar	12 Dec
106.	Osprey	0	0	0	2	0	0	0	1	0	0	0	0	3	1	2	1 (29 Apr)	3	3	29 Apr	22 Aug
107.	Hen Harrier	0	0	0	0	0	0	0	0	0	0	2	0	2	2	0	2 (13 Nov)	1	1	13 Nov	13 Nov
108.	White-tailed Eagle	0	0	0	0	0	0	0	0	0	0	0	1	1	1	0	1 (18 Dec)	1	1	18 Dec	18 Dec
109.	Merlin	0	0	1	0	0	0	0	0	1	0	0	0	2	1	1	1 (13 Mar)	2	2	13 Mar	17 Sep
110.	Peregrine	0	0	0	1	0	0	0	0	0	0	0	0	1	0	1	1 (20 Apr)	1	1	20 Apr	20 Apr
111.	Rook	0	0	3	0	0	0	0	0	0	0	0	0	3	2	1	2 (22 Mar)	2	2	16 Mar	22 Mar
112.	Skylark	0	0	3	0	0	0	0	0	0	0	0	0	3	0	3	2 (13 Mar)	2	2	9 Mar	13 Mar
113.	Shore Lark	0	0	0	0	0	0	0	0	0	0	8	0	8	8	0	8 (10 Nov)	1	1	10 Nov	10 Nov
114.	Swallow	0	0	0	7	0	0	0	0	0	0	0	0	7	0	7	5 (29 Apr)	2	2	27 Apr	29 Apr
115.	Starling	0	0	349	0	0	0	0	0	0	0	0	0	349	0	349	206 (13 Mar)	5	5	9 Mar	23 Mar
116.	House Sparrow	0	0	2	0	0	0	0	0	0	0	0	0	2	0	2	2 (23 Mar)	1	1	23 Mar	23 Mar
117.	White Wagtail	0	0	2	1	0	0	0	0	0	0	0	0	3	0	3	2 (21 Mar)	2	2	21 Mar	11 Apr
118.	alba wagtail sp.	0	0	0	2	0	0	0	0	0	0	0	0	2	0	2	2 (10 Apr)	1	1	10 Apr	10 Apr
119.	Rock Pipit	0	1	0	0	0	0	0	0	0	0	0	0	1	0	1	1 (22 Feb)	1	1	22 Feb	22 Feb
120.	Snow Bunting	0	0	3	0	0	0	0	0	0	0	3	4	10	1	9	3 ( 9 Mar)	5	5	9 Mar	27 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	6	6	10	5	0	0	2	1	1	17	1	8	57	30	27	8 (29 Oct)	32	34	8 Jan	31 Dec
2.	Grey seal	0	0	0	1	0	0	1	0	0	0	0	0	2	1	1	1 ( 8 Apr)	2	2	8 Apr	17 Jul
3.	Common Seal	0	0	0	1	0	0	2	1	0	0	1	0	5	1	4	1 (11 Apr)	5	5	11 Apr	24 Nov
	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.	white sp. (butterfly)	0	0	0	0	0	0	0	1	0	0	0	0	1	1	0	1 (11 Aug)	1	1	11 Aug	11 Aug
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
	Totals	5270	2806	18091	41300	6350	3132	7156	4795	9996	4107	14177	14564	131744	53176	78568		100	107
	Observation hours	10:00	8:30	31:00	41:30	6:00	5:30	18:00	11:30	31:25	17:30	20:41	18:30	220:06

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Totals Castricum aan Zee (zeetrek) 2022