Also present

Totals Katwijk - Savoy (zeetrek) 2021

	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	3	0	10	186	92	0	2	0	51	834	9	0	1187	887	300	808 ( 6 Oct)	25	19	8 Jan	21 Nov
2.	Canada Goose	0	0	0	8	0	0	0	0	0	0	0	0	8	5	3	5 ( 8 Apr)	3	2	8 Apr	28 Apr
3.	Barnacle Goose	13	3	0	1664	1115	0	0	0	0	0	0	0	2795	16	2779	1115 ( 1 May)	12	9	30 Jan	1 May
4.	Greylag Goose	4	5	4	11	0	0	0	68	38	0	0	0	130	121	9	68 (28 Aug)	17	13	16 Jan	24 Sep
5.	goose sp.	0	67	0	0	0	0	0	0	0	0	0	0	67	67	0	67 ( 7 Feb)	1	1	7 Feb	7 Feb
6.	Tundra Bean Goose	0	6	0	0	0	0	0	0	0	0	0	0	6	6	0	6 ( 7 Feb)	1	1	7 Feb	7 Feb
7.	Eurasian White-fronted Goose	0	19	0	0	0	0	0	0	0	0	0	0	19	0	19	17 (14 Feb)	3	2	14 Feb	22 Feb
8.	Mute Swan	0	0	0	3	0	0	0	9	0	0	0	0	12	5	7	4 (30 Aug)	5	4	28 Apr	30 Aug
9.	Egyptian Goose	8	0	0	12	0	0	0	0	0	2	0	0	22	2	20	8 (30 Jan)	11	8	30 Jan	22 Oct
10.	Shelduck	7	3	1	58	13	0	21	194	4	9	9	0	319	62	257	41 (29 Aug)	60	45	23 Jan	20 Nov
11.	Mandarin	0	0	0	0	0	0	0	1	0	0	0	0	1	1	0	1 ( 1 Aug)	1	1	1 Aug	1 Aug
12.	Garganey	0	0	0	0	0	0	0	0	2	0	0	0	2	2	0	2 (15 Sep)	1	1	15 Sep	15 Sep
13.	Shoveler	0	0	1	96	3	0	0	12	9	0	0	0	121	16	105	44 (28 Apr)	17	13	9 Mar	15 Sep
14.	Gadwall	0	2	12	10	0	0	0	2	9	2	2	0	39	17	22	12 ( 9 Mar)	13	10	7 Feb	23 Nov
15.	Wigeon	160	17	396	31	2	0	0	7	59	203	15	0	890	373	517	396 ( 9 Mar)	40	30	8 Jan	30 Nov
16.	Mallard	0	0	2	1	1	0	0	0	1	0	0	0	5	1	4	2 ( 9 Mar)	5	4	9 Mar	15 Sep
17.	Pintail	0	0	3	9	0	0	0	4	1	12	0	0	29	13	16	10 ( 6 Oct)	11	8	9 Mar	13 Oct
18.	Teal	3	24	26	191	14	0	4	112	81	43	6	0	504	186	318	48 (15 Sep)	53	40	11 Jan	30 Nov
19.	duck sp.	0	0	0	22	0	0	0	9	25	12	0	0	68	19	49	25 (23 Sep)	13	10	26 Apr	13 Oct
20.	Pochard	0	5	0	0	0	0	0	0	0	0	0	0	5	5	0	5 (14 Feb)	1	1	14 Feb	14 Feb
21.	Tufted Duck	1	4	6	0	3	0	6	4	11	5	0	0	40	28	12	9 (23 Sep)	19	14	30 Jan	13 Oct
22.	Scaup	0	2	0	0	0	0	0	0	15	6	5	0	28	25	3	15 (23 Sep)	5	4	14 Feb	23 Nov
23.	Aythya sp.	0	0	0	1	0	0	0	0	0	0	0	0	1	1	0	1 ( 8 Apr)	1	1	8 Apr	8 Apr
24.	Eider	7	0	0	72	15	0	0	1	16	11	45	2	169	58	111	15 ( 1 May)	43	32	8 Jan	3 Dec
25.	Velvet Scoter	30	0	0	6	0	0	0	1	0	1	7	2	47	30	17	12 (23 Jan)	15	11	8 Jan	3 Dec
26.	Common Scoter	1000	37	85	1647	601	0	4	361	209	220	705	38	4907	1521	3386	562 ( 1 May)	93	70	8 Jan	3 Dec
27.	Long-tailed Duck	1	0	0	0	0	0	0	0	0	0	0	0	1	0	1	1 ( 8 Jan)	1	1	8 Jan	8 Jan
28.	Goldeneye	1	2	0	0	0	0	0	0	0	3	1	0	7	6	1	2 (14 Feb)	7	5	23 Jan	22 Nov
29.	Goosander	1	2	0	0	0	0	0	0	0	0	6	0	9	1	8	5 (22 Nov)	5	4	30 Jan	30 Nov
30.	Red-breasted Merganser	12	1	7	49	2	0	0	0	4	95	7	3	180	121	59	70 ( 6 Oct)	41	31	8 Jan	3 Dec
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
31.	Swift	0	0	0	0	0	0	2	17	0	0	0	0	19	19	0	16 ( 4 Aug)	4	3	30 Jul	8 Aug
32.	Great Crested Grebe	175	1	2	9	2	0	4	44	96	36	23	1	393	331	62	69 (21 Jan)	68	51	11 Jan	3 Dec
33.	Oystercatcher	14	0	2	119	15	0	17	124	0	4	2	0	297	167	130	70 (28 Apr)	45	34	30 Jan	17 Nov
34.	Avocet	0	0	0	2	0	0	0	0	0	0	0	0	2	0	2	2 (28 Apr)	1	1	28 Apr	28 Apr
35.	Grey Plover	0	0	0	357	20	0	7	82	2	10	0	0	478	101	377	270 (30 Apr)	35	26	13 Apr	21 Oct
36.	Golden Plover	0	56	0	0	0	0	0	9	3	0	0	0	68	68	0	56 ( 7 Feb)	9	7	7 Feb	24 Sep
37.	Ringed Plover	0	0	1	76	0	0	0	79	22	182	1	0	361	280	81	182 ( 6 Oct)	23	17	29 Mar	17 Nov
38.	Lapwing	0	622	0	1	0	0	0	0	0	0	0	0	623	623	0	622 ( 7 Feb)	3	2	7 Feb	20 Apr
39.	Whimbrel	0	0	0	594	14	0	19	209	7	2	0	0	845	231	614	503 (28 Apr)	40	30	7 Apr	6 Oct
40.	Curlew	0	0	7	12	0	0	6	13	2	1	0	0	41	24	17	9 ( 8 Apr)	21	16	9 Mar	6 Oct
41.	Bar-tailed Godwit	0	1	0	453	1	0	4	57	0	2	0	0	518	64	454	182 (30 Apr)	29	22	7 Feb	22 Oct
42.	Woodcock	1	0	0	0	0	0	0	0	0	0	0	0	1	1	0	1 (23 Jan)	1	1	23 Jan	23 Jan
43.	Snipe	0	23	0	0	0	0	0	0	0	15	1	0	39	38	1	23 ( 7 Feb)	4	3	7 Feb	17 Nov
44.	Grey Phalarope	0	0	0	0	0	0	0	0	1	0	0	0	1	1	0	1 (23 Sep)	1	1	23 Sep	23 Sep
45.	Common Sandpiper	0	0	0	0	0	0	2	11	0	0	0	0	13	13	0	5 ( 4 Aug)	9	7	28 Jul	8 Aug
46.	Green Sandpiper	0	0	0	0	0	0	0	4	0	0	0	0	4	4	0	2 ( 5 Aug)	4	3	5 Aug	31 Aug
47.	Redshank	0	0	0	26	0	0	1	19	1	0	0	0	47	19	28	24 (28 Apr)	11	8	28 Apr	16 Sep
48.	Spotted Redshank	0	0	1	0	0	0	0	0	0	0	0	0	1	1	0	1 (29 Mar)	1	1	29 Mar	29 Mar
49.	Greenshank	0	0	0	14	0	0	0	1	1	0	0	0	16	2	14	12 (28 Apr)	5	4	28 Apr	15 Sep
50.	Turnstone	0	0	0	3	0	0	13	62	3	0	0	0	81	71	10	11 (17 Aug)	23	17	17 Apr	30 Sep
51.	Knot	0	0	0	34	0	0	0	40	14	0	2	0	90	39	51	23 (21 Apr)	16	12	13 Apr	17 Nov
52.	wader sp.	0	0	0	78	6	0	0	24	0	36	0	0	144	51	93	36 ( 6 Oct)	15	11	7 Apr	6 Oct
53.	Sanderling	15	0	0	121	97	0	5	84	17	70	65	0	474	206	268	72 ( 1 May)	44	33	23 Jan	23 Nov
54.	Dunlin	0	0	7	280	16	0	0	53	28	198	0	0	582	259	323	149 (30 Apr)	41	31	9 Mar	22 Oct
55.	Purple Sandpiper	0	0	0	0	0	0	0	0	0	4	2	0	6	6	0	4 (21 Oct)	3	2	21 Oct	19 Nov
56.	Little Stint	0	0	0	0	0	0	0	0	0	1	0	0	1	1	0	1 ( 6 Oct)	1	1	6 Oct	6 Oct
57.	Calidris sp.	0	0	1	20	5	0	3	71	5	35	0	0	140	96	44	40 (26 Aug)	21	16	29 Mar	22 Oct
58.	Little Tern	0	0	0	70	6	0	4	5	0	0	0	0	85	9	76	21 (28 Apr)	12	9	18 Apr	16 Aug
59.	Caspian Tern	0	0	0	0	0	0	0	2	0	0	0	0	2	2	0	2 (11 Aug)	1	1	11 Aug	11 Aug
60.	Black Tern	0	0	0	49	37	0	1	514	0	0	0	0	601	504	97	401 (16 Aug)	23	17	21 Apr	31 Aug
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
61.	Arctic Tern	0	0	0	26	0	0	0	9	6	0	0	0	41	15	26	10 (26 Apr)	11	8	21 Apr	24 Sep
62.	Common/Arctic Tern	0	0	0	466	12	0	0	2015	140	23	0	0	2656	1173	1483	622 (31 Aug)	29	22	13 Apr	6 Oct
63.	Common Tern	0	0	0	3101	493	0	1150	898	56	3	0	0	5701	2166	3535	834 (26 Apr)	43	32	7 Apr	14 Oct
64.	Sandwich Tern	0	0	0	596	798	0	42	1114	485	391	1	0	3427	1405	2022	780 ( 1 May)	63	47	7 Apr	17 Nov
65.	Little Gull	0	0	1	5908	1096	0	0	10	7	9	23	0	7054	777	6277	2123 (18 Apr)	41	31	29 Mar	20 Nov
66.	Kittiwake	1200	0	0	253	0	0	0	3	0	19	864	4	2343	2149	194	908 (21 Jan)	33	25	8 Jan	3 Dec
67.	Black-headed Gull	146	118	74	238	38	0	2348	10731	774	540	287	0	15294	14839	455	9660 ( 7 Aug)	53	40	8 Jan	30 Nov
68.	Mediterranean Gull	0	0	0	10	0	0	44	161	2	5	0	0	222	209	13	52 ( 7 Aug)	35	26	18 Apr	6 Oct
69.	Common Gull	179	210	65	798	0	0	20	254	96	564	253	7	2446	1327	1119	391 ( 6 Oct)	79	59	8 Jan	3 Dec
70.	Caspian Gull	0	0	0	0	0	0	0	1	0	0	0	0	1	1	0	1 (14 Aug)	1	1	14 Aug	14 Aug
71.	Herring Gull	60	3	45	60	0	0	15	16	0	40	13	0	252	109	143	60 ( 7 Apr)	23	17	8 Jan	19 Nov
72.	Yellow-legged Gull	0	0	0	0	0	0	0	0	1	0	0	0	1	1	0	1 (15 Sep)	1	1	15 Sep	15 Sep
73.	Great Black-backed Gull	25	1	3	54	1	0	2	5	8	19	55	1	174	107	67	21 (21 Apr)	48	36	8 Jan	3 Dec
74.	Glaucous Gull	0	0	0	0	0	0	0	0	0	0	1	0	1	0	1	1 (30 Nov)	1	1	30 Nov	30 Nov
75.	Lesser Black-backed Gull	1	9	88	77	0	0	169	80	51	96	7	0	578	363	215	75 (29 Mar)	35	26	11 Jan	30 Nov
76.	Long-tailed Skua	0	0	0	0	0	0	0	1	1	1	0	0	3	2	1	1 (17 Aug)	4	3	17 Aug	6 Oct
77.	skua sp.	0	0	0	0	0	0	0	17	7	11	0	0	35	26	9	7 ( 6 Oct)	16	12	16 Aug	22 Oct
78.	Arctic Skua	0	0	0	8	0	0	0	48	43	22	0	0	121	67	54	19 (30 Sep)	35	26	7 Apr	22 Oct
79.	Pomarine Skua	0	0	0	0	0	0	0	3	3	2	0	0	8	6	2	2 (16 Aug)	9	7	10 Aug	21 Oct
80.	Great Skua	0	0	0	0	0	0	0	3	0	1	0	0	4	3	1	3 (28 Aug)	3	2	28 Aug	6 Oct
81.	Puffin	0	0	0	1	0	0	0	0	0	0	0	0	1	0	1	1 (13 Apr)	1	1	13 Apr	13 Apr
82.	Razorbill	3	0	0	0	0	0	0	0	0	0	11	0	14	14	0	6 (20 Nov)	8	6	11 Jan	21 Nov
83.	Razorbill/Guillemot	2610	26	0	4	0	0	0	0	234	204	1965	5	5048	4038	1010	1007 (21 Jan)	41	31	8 Jan	3 Dec
84.	Guillemot	166	1	1	2	0	0	0	4	128	29	199	2	532	476	56	127 (20 Nov)	37	28	8 Jan	3 Dec
85.	Red-throated Diver	1796	67	3	31	0	0	0	0	113	99	2305	3	4417	4172	245	938 (16 Jan)	52	39	8 Jan	3 Dec
86.	Black-throated Diver	1	0	0	3	4	0	0	0	1	0	0	0	9	2	7	4 ( 1 May)	7	5	21 Jan	15 Sep
87.	diver sp.	0	0	0	3	1	0	0	1	1	27	0	0	33	26	7	25 ( 6 Oct)	8	6	8 Apr	22 Oct
88.	Storm Petrel	0	0	0	0	0	0	0	1	0	0	0	0	1	1	0	1 (17 Aug)	1	1	17 Aug	17 Aug
89.	Leach's Petrel	0	0	0	1	0	0	0	0	0	2	0	0	3	2	1	1 ( 7 Apr)	4	3	7 Apr	21 Oct
90.	Fulmar	0	0	0	62	0	0	0	0	0	0	0	0	62	15	47	50 ( 7 Apr)	4	3	7 Apr	21 Apr
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
91.	Sooty Shearwater	0	0	0	0	0	0	0	8	6	1	0	0	15	14	1	7 (16 Aug)	5	4	16 Aug	21 Oct
92.	Manx 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
93.	Balearic Shearwater	0	0	0	0	0	0	0	1	0	0	0	0	1	0	1	1 (30 Aug)	1	1	30 Aug	30 Aug
94.	shearwater sp.	0	0	0	0	0	0	0	0	1	1	0	0	2	2	0	1 (23 Sep)	3	2	23 Sep	6 Oct
95.	Gannet	147	2	0	42	2	0	7	142	128	78	54	1	603	384	219	62 (23 Sep)	73	55	8 Jan	3 Dec
96.	Cormorant	983	23	10	698	89	0	114	1329	785	203	288	12	4534	2015	2519	816 (21 Jan)	87	65	8 Jan	3 Dec
97.	Spoonbill	0	0	0	70	0	0	0	1	22	0	0	0	93	23	70	36 (28 Apr)	9	7	15 Apr	16 Sep
98.	Great White Egret	0	0	0	0	0	0	0	0	0	0	3	0	3	3	0	3 (23 Nov)	1	1	23 Nov	23 Nov
99.	Grey Heron	0	1	0	10	0	0	0	5	0	0	1	1	18	6	12	5 (20 Apr)	11	8	7 Feb	3 Dec
100.	Sparrowhawk	0	0	0	1	0	0	0	0	0	0	0	0	1	0	1	1 (18 Apr)	1	1	18 Apr	18 Apr
101.	Marsh Harrier	0	0	0	2	0	0	0	0	0	0	0	0	2	0	2	2 (28 Apr)	1	1	28 Apr	28 Apr
102.	Hen Harrier	0	0	0	2	0	0	0	0	0	0	1	0	3	1	2	2 (28 Apr)	3	2	28 Apr	20 Nov
103.	White-tailed Eagle	0	1	0	0	0	0	0	0	0	0	0	0	1	1	0	1 (14 Feb)	1	1	14 Feb	14 Feb
104.	Common Buzzard	0	0	0	1	1	0	0	0	0	0	0	0	2	0	2	1 (28 Apr)	3	2	28 Apr	1 May
105.	Kestrel	0	0	0	0	0	0	0	2	0	0	0	0	2	1	1	1 (29 Aug)	3	2	29 Aug	31 Aug
106.	Merlin	0	0	0	0	0	0	0	0	2	1	0	0	3	3	0	1 (24 Sep)	4	3	24 Sep	1 Oct
107.	Peregrine	1	0	0	0	0	0	0	1	0	1	0	0	3	1	2	1 ( 8 Jan)	4	3	8 Jan	22 Oct
108.	Wood Lark	0	2	0	0	0	0	0	0	0	0	0	0	2	2	0	2 ( 7 Feb)	1	1	7 Feb	7 Feb
109.	Skylark	0	94	0	0	0	0	0	0	1	0	1	0	96	96	0	94 ( 7 Feb)	4	3	7 Feb	20 Nov
110.	Shore Lark	0	0	0	0	0	0	0	0	0	0	6	0	6	0	6	6 (22 Nov)	1	1	22 Nov	22 Nov
111.	Sand Martin	0	0	0	12	0	0	0	0	0	0	0	0	12	0	12	12 (28 Apr)	1	1	28 Apr	28 Apr
112.	Swallow	0	0	0	45	6	0	0	33	0	5	0	0	89	55	34	40 (28 Apr)	15	11	26 Apr	1 Oct
113.	House Martin	0	0	0	0	0	0	0	15	0	0	0	0	15	6	9	7 (23 Aug)	7	5	5 Aug	28 Aug
114.	Starling	0	5470	0	17	0	0	0	7	0	800	705	0	6999	6977	22	5470 ( 7 Feb)	13	10	7 Feb	23 Nov
115.	Song Thrush	0	5	0	0	0	0	0	0	0	0	0	0	5	5	0	5 ( 7 Feb)	1	1	7 Feb	7 Feb
116.	Redwing	0	255	0	0	0	0	0	0	0	0	0	0	255	255	0	255 ( 7 Feb)	1	1	7 Feb	7 Feb
117.	Blackbird	0	1	0	0	0	0	0	0	0	0	1	0	2	2	0	1 ( 7 Feb)	3	2	7 Feb	20 Nov
118.	Fieldfare	0	45	0	0	0	0	0	0	0	0	0	0	45	45	0	45 ( 7 Feb)	1	1	7 Feb	7 Feb
119.	Yellow wagtail sp.	0	0	0	10	10	0	0	21	12	0	0	0	53	27	26	10 ( 1 May)	23	17	1 Apr	15 Sep
120.	Grey Wagtail	0	0	0	0	0	0	0	0	0	7	0	0	7	7	0	7 ( 1 Oct)	1	1	1 Oct	1 Oct
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
121.	White Wagtail	0	0	2	7	0	0	0	2	0	0	0	0	11	4	7	4 (28 Apr)	9	7	29 Mar	31 Aug
122.	alba wagtail sp.	0	1	2	4	0	0	0	1	5	0	0	0	13	7	6	2 (29 Mar)	12	9	22 Feb	23 Sep
123.	Meadow Pipit	0	67	0	152	0	0	0	3	80	114	0	0	416	258	158	92 ( 1 Oct)	20	15	7 Feb	13 Oct
124.	Tree Pipit	0	0	0	0	0	0	0	0	3	0	0	0	3	3	0	3 (12 Sep)	1	1	12 Sep	12 Sep
125.	Rock Pipit	0	0	0	0	0	0	0	0	3	7	0	0	10	10	0	6 ( 6 Oct)	5	4	16 Sep	13 Oct
126.	Chaffinch	0	6	0	0	0	0	0	0	0	0	0	0	6	6	0	6 ( 7 Feb)	1	1	7 Feb	7 Feb
127.	Linnet	0	0	0	29	5	0	0	1	2	9	0	0	46	17	29	9 ( 1 Oct)	15	11	13 Apr	1 Oct
128.	redpoll sp.	0	0	0	0	0	0	0	0	0	0	1	0	1	1	0	1 (22 Nov)	1	1	22 Nov	22 Nov
129.	Goldfinch	0	0	0	5	0	0	0	0	0	0	0	0	5	0	5	3 (28 Apr)	3	2	18 Apr	28 Apr
130.	Siskin	0	0	0	0	0	0	0	0	0	0	1	0	1	1	0	1 (22 Nov)	1	1	22 Nov	22 Nov
131.	Lapland Bunting	0	0	0	0	0	0	0	0	0	1	0	0	1	1	0	1 (14 Oct)	1	1	14 Oct	14 Oct
132.	Snow Bunting	0	0	0	0	0	0	0	0	0	0	3	0	3	0	3	3 (22 Nov)	1	1	22 Nov	22 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.	Harbour Porpoise	13	0	1	3	0	0	0	2	6	5	1	0	31	16	15	5 ( 8 Jan)	20	15	8 Jan	20 Nov
2.	dolphin sp.	0	0	0	0	0	0	0	1	0	0	0	0	1	0	1	1 (26 Aug)	1	1	26 Aug	26 Aug
3.	Grey seal	0	0	0	0	0	0	0	0	0	0	1	0	1	1	0	1 (18 Nov)	1	1	18 Nov	18 Nov
4.	Common Seal	1	0	0	0	0	0	0	0	0	0	0	0	1	1	0	1 (12 Jan)	1	1	12 Jan	12 Jan
5.	Common / Grey seal	0	0	0	1	0	0	0	0	0	0	0	0	1	0	1	1 (30 Apr)	1	1	30 Apr	30 Apr
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
	Totals	8788	7310	869	19208	4636	0	4036	19259	3950	5395	7964	82	81497	50575	30922		100	75
	Observation hours	9:30	2:45	3:07	32:49	3:30	0:00	6:50	63:34	22:42	17:30	14:55	1:10	178:22

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Totals Katwijk - Savoy (zeetrek) 2021