Also present

Totals Berkheide (Katwijk) 2024

	Species	Jan	Feb	Mar	Apr	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Dark-bellied Brent Goose	0	0	9	8	17	5	12	6 (20 Mar)	17	6	2 Mar	14 Apr
2.	Canada Goose	22	2	89	12	125	92	33	27 (17 Mar)	46	16	28 Jan	5 Apr
3.	Barnacle Goose	34	434	1746	2770	4984	431	4553	872 (28 Apr)	69	24	28 Jan	28 Apr
4.	Greylag Goose	14	116	502	98	730	395	335	119 ( 2 Mar)	86	30	28 Jan	28 Apr
5.	goose sp.	2700	815	1008	101	4624	275	4349	2700 (28 Jan)	31	11	28 Jan	6 Apr
6.	Pink-footed Goose	0	93	56	0	149	0	149	60 (20 Feb)	9	3	19 Feb	14 Mar
7.	Eurasian White-fronted Goose	222	268	156	0	646	32	614	268 (10 Feb)	17	6	28 Jan	7 Mar
8.	Mute Swan	0	2	6	11	19	13	6	5 ( 6 Apr)	23	8	10 Feb	14 Apr
9.	Egyptian Goose	16	54	158	70	298	76	222	42 (20 Mar)	60	21	28 Jan	28 Apr
10.	Shelduck	0	2	47	20	69	33	36	17 ( 7 Mar)	43	15	10 Feb	28 Apr
11.	Garganey	0	0	1	0	1	0	1	1 (20 Mar)	3	1	20 Mar	20 Mar
12.	Shoveler	0	0	212	8	220	18	202	62 (20 Mar)	29	10	7 Mar	6 Apr
13.	Gadwall	0	0	8	11	19	8	11	6 (28 Apr)	20	7	3 Mar	28 Apr
14.	Wigeon	5	1	86	1	93	0	93	36 (18 Mar)	23	8	28 Jan	14 Apr
15.	Mallard	0	0	12	3	15	1	14	3 (17 Mar)	20	7	17 Mar	28 Apr
16.	Pintail	0	0	221	1	222	4	218	126 (20 Mar)	17	6	3 Mar	1 Apr
17.	Teal	0	0	6	0	6	1	5	5 (20 Mar)	6	2	7 Mar	20 Mar
18.	duck sp.	0	0	13	4	17	0	17	9 (20 Mar)	9	3	20 Mar	14 Apr
19.	Pochard	0	0	3	1	4	1	3	3 (31 Mar)	6	2	31 Mar	28 Apr
20.	Eider	0	3	35	20	58	44	14	20 ( 8 Mar)	31	11	24 Feb	28 Apr
21.	Velvet Scoter	0	15	0	0	15	15	0	13 (10 Feb)	6	2	10 Feb	27 Feb
22.	Common Scoter	96	420	478	410	1404	1238	166	297 (10 Feb)	66	23	28 Jan	28 Apr
23.	Long-tailed Duck	0	0	1	0	1	1	0	1 (29 Mar)	3	1	29 Mar	29 Mar
24.	Goosander	0	0	18	5	23	8	15	6 ( 3 Mar)	23	8	1 Mar	1 Apr
25.	Red-breasted Merganser	0	9	9	1	19	15	4	8 (27 Feb)	23	8	24 Feb	8 Apr
26.	Swift	0	0	0	33	33	7	26	24 (28 Apr)	6	2	27 Apr	28 Apr
27.	Stock Dove	10	13	89	13	125	44	81	22 ( 9 Mar)	66	23	28 Jan	28 Apr
28.	Woodpigeon	104	27	1536	124	1791	412	1379	210 ( 6 Mar)	86	30	28 Jan	28 Apr
29.	Collared Dove	0	0	19	8	27	14	13	9 (26 Mar)	34	12	5 Mar	22 Apr
30.	Crane	0	0	72	0	72	0	72	72 ( 2 Mar)	3	1	2 Mar	2 Mar
	Species	Jan	Feb	Mar	Apr	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
31.	Great Crested Grebe	10	0	1	1	12	12	0	10 (28 Jan)	9	3	28 Jan	6 Apr
32.	Oystercatcher	10	38	43	20	111	48	63	27 (10 Feb)	31	11	28 Jan	8 Apr
33.	Avocet	0	0	25	0	25	0	25	14 (31 Mar)	6	2	26 Mar	31 Mar
34.	Lapwing	0	10	59	11	80	49	31	10 (20 Feb)	54	19	20 Feb	28 Apr
35.	Golden Plover	0	0	3	1	4	1	3	3 ( 9 Mar)	6	2	9 Mar	1 Apr
36.	Ringed Plover	0	1	0	1	2	0	2	1 (15 Feb)	6	2	15 Feb	14 Apr
37.	Little Ringed Plover	0	0	7	1	8	1	7	3 (26 Mar)	14	5	7 Mar	5 Apr
38.	Whimbrel	0	0	2	36	38	6	32	13 ( 6 Apr)	14	5	17 Mar	28 Apr
39.	Curlew	0	0	15	1	16	4	12	6 ( 3 Mar)	20	7	3 Mar	6 Apr
40.	Bar-tailed Godwit	0	0	0	1	1	0	1	1 (28 Apr)	3	1	28 Apr	28 Apr
41.	Black-tailed Godwit	0	0	30	0	30	0	30	15 (31 Mar)	11	4	6 Mar	31 Mar
42.	Ruff	0	0	59	0	59	0	59	27 ( 8 Mar)	9	3	6 Mar	8 Mar
43.	wader sp.	0	0	14	0	14	0	14	11 ( 9 Mar)	6	2	9 Mar	31 Mar
44.	Dunlin	2	0	4	0	6	3	3	3 ( 9 Mar)	9	3	28 Jan	18 Mar
45.	Snipe	0	0	3	0	3	0	3	2 ( 8 Mar)	6	2	7 Mar	8 Mar
46.	Green Sandpiper	0	0	9	1	10	1	9	8 (31 Mar)	9	3	25 Mar	6 Apr
47.	Redshank	0	0	36	4	40	3	37	29 (31 Mar)	17	6	9 Mar	8 Apr
48.	Greenshank	0	0	0	2	2	1	1	1 ( 6 Apr)	6	2	6 Apr	28 Apr
49.	Black-headed Gull	8	10	129	47	194	46	148	38 ( 8 Mar)	31	11	28 Jan	14 Apr
50.	Little Gull	0	79	1	23	103	1	102	79 (27 Feb)	11	4	27 Feb	8 Apr
51.	Mediterranean Gull	0	0	5	8	13	2	11	8 ( 6 Apr)	11	4	7 Mar	6 Apr
52.	Common Gull	0	2	1019	22	1043	1	1042	671 ( 8 Mar)	29	10	24 Feb	14 Apr
53.	Great Black-backed Gull	0	1	3	2	6	2	4	1 (10 Feb)	17	6	10 Feb	28 Apr
54.	Herring Gull	0	10	101	4	115	7	108	45 ( 7 Mar)	23	8	24 Feb	6 Apr
55.	Lesser Black-backed Gull	0	16	708	109	833	56	777	195 (31 Mar)	57	20	24 Feb	28 Apr
56.	Sandwich Tern	0	0	0	17	17	3	14	8 (14 Apr)	11	4	6 Apr	28 Apr
57.	Common Tern	0	0	2	26	28	2	26	12 ( 6 Apr)	14	5	26 Mar	28 Apr
58.	Common/Arctic Tern	0	0	0	220	220	0	220	220 (22 Apr)	3	1	22 Apr	22 Apr
59.	Razorbill/Guillemot	17	64	1	0	82	82	0	64 (10 Feb)	9	3	28 Jan	2 Mar
60.	Red-throated Diver	49	108	49	6	212	177	35	49 (28 Jan)	46	16	28 Jan	6 Apr
	Species	Jan	Feb	Mar	Apr	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
61.	diver sp.	0	0	2	1	3	0	3	2 (27 Mar)	6	2	27 Mar	6 Apr
62.	White Stork	0	0	2	3	5	2	3	3 ( 6 Apr)	6	2	26 Mar	6 Apr
63.	Gannet	0	5	5	0	10	9	1	5 ( 2 Mar)	11	4	10 Feb	2 Mar
64.	Cormorant	1	14	646	479	1140	123	1017	239 ( 1 Apr)	69	24	28 Jan	28 Apr
65.	Spoonbill	0	1	58	28	87	1	86	22 ( 6 Mar)	37	13	24 Feb	28 Apr
66.	Grey Heron	1	0	198	20	219	16	203	89 ( 9 Mar)	66	23	28 Jan	28 Apr
67.	Purple Heron	0	0	0	2	2	0	2	2 (28 Apr)	3	1	28 Apr	28 Apr
68.	Great White Egret	0	0	9	2	11	1	10	3 (26 Mar)	20	7	5 Mar	28 Apr
69.	Little Egret	0	0	0	1	1	1	0	1 ( 8 Apr)	3	1	8 Apr	8 Apr
70.	Sparrowhawk	0	0	4	4	8	4	4	2 (31 Mar)	14	5	18 Mar	28 Apr
71.	Goshawk	0	0	1	0	1	1	0	1 ( 8 Mar)	3	1	8 Mar	8 Mar
72.	Marsh Harrier	0	0	26	24	50	3	47	12 (28 Apr)	43	15	2 Mar	28 Apr
73.	Hen Harrier	0	1	4	0	5	1	4	1 (19 Feb)	14	5	19 Feb	31 Mar
74.	Pallid Harrier	0	0	0	1	1	0	1	1 (28 Apr)	3	1	28 Apr	28 Apr
75.	Red Kite	0	1	1	0	2	2	0	1 (20 Feb)	6	2	20 Feb	31 Mar
76.	Common Buzzard	0	0	3	0	3	0	3	2 ( 2 Mar)	6	2	2 Mar	9 Mar
77.	Great Spotted Woodpecker	5	2	7	5	19	10	9	5 (28 Jan)	40	14	28 Jan	22 Apr
78.	Kestrel	0	0	4	5	9	2	7	3 (28 Apr)	17	6	2 Mar	28 Apr
79.	Merlin	0	0	1	0	1	0	1	1 (31 Mar)	3	1	31 Mar	31 Mar
80.	Hobby	0	0	0	3	3	0	3	2 (28 Apr)	6	2	6 Apr	28 Apr
81.	Saker Falcon	0	0	0	1	1	1	0	1 ( 6 Apr)	3	1	6 Apr	6 Apr
82.	Peregrine	0	1	4	0	5	3	2	2 (14 Mar)	11	4	27 Feb	31 Mar
83.	Rose-ringed Parakeet	0	0	1	0	1	0	1	1 (26 Mar)	3	1	26 Mar	26 Mar
84.	Jay	0	0	0	1	1	0	1	1 (28 Apr)	3	1	28 Apr	28 Apr
85.	Magpie	2	0	48	7	57	24	33	29 (20 Mar)	17	6	28 Jan	1 Apr
86.	Jackdaw	2	6	242	88	338	147	191	53 (26 Mar)	69	24	28 Jan	28 Apr
87.	Rook	0	0	1	0	1	0	1	1 ( 2 Mar)	3	1	2 Mar	2 Mar
88.	Carrion Crow	0	2	71	28	101	33	68	30 (20 Mar)	49	17	24 Feb	28 Apr
89.	Hooded Crow	0	0	0	1	1	1	0	1 ( 8 Apr)	3	1	8 Apr	8 Apr
90.	Raven	0	0	2	0	2	0	2	1 (10 Mar)	6	2	10 Mar	20 Mar
	Species	Jan	Feb	Mar	Apr	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
91.	Waxwing	0	0	5	0	5	0	5	3 ( 7 Mar)	9	3	5 Mar	7 Mar
92.	Blue Tit	0	1	4	1	6	2	4	1 (27 Feb)	17	6	27 Feb	8 Apr
93.	Great Tit	0	0	7	0	7	0	7	6 ( 3 Mar)	6	2	3 Mar	20 Mar
94.	Wood Lark	0	1	14	0	15	0	15	4 ( 2 Mar)	20	7	24 Feb	10 Mar
95.	Skylark	0	4	41	0	45	1	44	26 ( 7 Mar)	26	9	19 Feb	20 Mar
96.	Sand Martin	0	0	4	19	23	8	15	8 ( 6 Apr)	20	7	26 Mar	28 Apr
97.	Swallow	0	0	5	161	166	76	90	72 (28 Apr)	23	8	28 Mar	28 Apr
98.	House Martin	0	0	1	11	12	7	5	5 ( 6 Apr)	11	4	31 Mar	28 Apr
99.	Willow Warbler	0	0	0	1	1	0	1	1 ( 8 Apr)	3	1	8 Apr	8 Apr
100.	Chiffchaff	0	0	11	0	11	4	7	3 (17 Mar)	14	5	14 Mar	28 Mar
101.	Chiffchaff/Willow Warbler	0	0	0	4	4	0	4	3 ( 8 Apr)	6	2	6 Apr	8 Apr
102.	Starling	20	22	2646	269	2957	377	2580	636 (18 Mar)	91	32	28 Jan	27 Apr
103.	Song Thrush	0	0	31	0	31	2	29	8 ( 9 Mar)	29	10	1 Mar	31 Mar
104.	Mistle Thrush	1	0	56	3	60	10	50	21 ( 9 Mar)	49	17	28 Jan	6 Apr
105.	Redwing	5	1	511	5	522	7	515	480 (18 Mar)	37	13	28 Jan	5 Apr
106.	Blackbird	0	0	1	0	1	0	1	1 ( 7 Mar)	3	1	7 Mar	7 Mar
107.	Fieldfare	0	0	8	2	10	2	8	7 (31 Mar)	9	3	7 Mar	1 Apr
108.	Ring Ouzel	0	0	5	26	31	1	30	12 (28 Apr)	17	6	31 Mar	28 Apr
109.	thrush sp.	8	0	0	6	14	8	6	8 (28 Jan)	6	2	28 Jan	1 Apr
110.	Wheatear	0	0	0	1	1	0	1	1 ( 8 Apr)	3	1	8 Apr	8 Apr
111.	Dunnock	0	0	21	3	24	4	20	13 (20 Mar)	20	7	6 Mar	6 Apr
112.	Blue-headed Wagtail	0	0	1	4	5	0	5	3 (27 Apr)	9	3	31 Mar	27 Apr
113.	Yellow wagtail sp.	0	0	1	66	67	3	64	49 ( 6 Apr)	11	4	31 Mar	28 Apr
114.	Grey Wagtail	0	0	13	1	14	0	14	4 ( 9 Mar)	20	7	7 Mar	6 Apr
115.	White Wagtail	0	3	63	9	75	27	48	15 (26 Mar)	51	18	27 Feb	28 Apr
116.	alba wagtail sp.	0	1	316	27	344	50	294	90 (17 Mar)	63	22	27 Feb	28 Apr
117.	Pied Wagtail	0	0	12	1	13	0	13	4 (10 Mar)	17	6	7 Mar	6 Apr
118.	Meadow Pipit	4	48	1078	765	1895	36	1859	686 ( 6 Apr)	86	30	28 Jan	28 Apr
119.	Tree Pipit	0	0	3	71	74	2	72	54 ( 6 Apr)	20	7	31 Mar	28 Apr
120.	Water Pipit	0	0	1	1	2	0	2	1 ( 8 Mar)	6	2	8 Mar	6 Apr
	Species	Jan	Feb	Mar	Apr	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
121.	Rock Pipit	0	0	5	0	5	0	5	2 (10 Mar)	11	4	7 Mar	10 Mar
122.	Rock Pipit/Water Pipit	0	0	2	1	3	0	3	1 (10 Mar)	9	3	10 Mar	14 Apr
123.	Chaffinch	31	385	837	10	1263	42	1221	379 (27 Feb)	69	24	28 Jan	28 Apr
124.	Brambling	0	1	161	6	168	67	101	52 (26 Mar)	31	11	27 Feb	8 Apr
125.	Hawfinch	0	0	8	0	8	1	7	3 ( 7 Mar)	11	4	2 Mar	31 Mar
126.	Bullfinch	0	0	1	0	1	1	0	1 ( 6 Mar)	3	1	6 Mar	6 Mar
127.	Greenfinch	0	8	28	3	39	10	29	9 (31 Mar)	43	15	10 Feb	8 Apr
128.	Linnet	1	0	162	113	276	67	209	72 ( 6 Apr)	57	20	28 Jan	28 Apr
129.	Mealy Redpoll	0	0	1	0	1	1	0	1 (20 Mar)	3	1	20 Mar	20 Mar
130.	redpoll sp.	61	4	97	15	177	19	158	61 (28 Jan)	49	17	28 Jan	28 Apr
131.	Goldfinch	3	5	89	25	122	40	82	15 (31 Mar)	74	26	28 Jan	14 Apr
132.	Siskin	35	21	303	48	407	104	303	53 ( 9 Mar)	74	26	28 Jan	28 Apr
133.	Reed Bunting	0	2	134	3	139	4	135	74 ( 9 Mar)	40	14	20 Feb	14 Apr
	Other species
	Species	Jan	Feb	Mar	Apr	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Harbour Porpoise	0	5	0	0	5	5	0	5 (10 Feb)	3	1	10 Feb	10 Feb
	Other species
	Species	Jan	Feb	Mar	Apr	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Brimstone	0	0	0	1	1	0	1	1 ( 6 Apr)	3	1	6 Apr	6 Apr
2.	European Peacock	0	0	0	1	1	1	0	1 ( 6 Apr)	3	1	6 Apr	6 Apr
	Other species
	Species	Jan	Feb	Mar	Apr	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Bumblebee sp.	0	0	0	16	16	5	11	16 ( 6 Apr)	3	1	6 Apr	6 Apr
	Species	Jan	Feb	Mar	Apr	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
	Totals	3499	3158	16951	6700	30308	5070	25238		100	35
	Observation hours	2:56	9:40	54:25	27:20	94:21

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Totals Berkheide (Katwijk) 2024