Totals Katwijk - Savoy (zeetrek) 2011 - 2020

	Species	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020	Totals	Average	Present	Year Maximum
1.	Dark-bellied Brent Goose	4515	4971	859	6719	3699	229	832	411	867	4070	27172	2717	8	6719 (2014)
2.	Pale-bellied Brent Goose	0	0	0	0	0	0	0	0	0	2	2	0.2	0	2 (2020)
3.	Black Brant	0	0	0	0	1	0	1	0	0	0	2	0.2	0	1 (2015)
4.	Canada Goose	33	76	25	0	2	0	18	0	16	19	189	19	3	76 (2012)
5.	Barnacle Goose	5017	3479	265	53	20	54	330	384	509	2816	12927	1293	0	5017 (2011)
6.	Lesser Canada Goose	0	1	0	0	0	0	0	0	0	0	1	0.1	0	1 (2012)
7.	Greylag Goose	1114	358	125	30	101	0	73	92	117	59	2069	207	27	1114 (2011)
8.	Anser sp.	44	70	76	0	250	0	0	215	54	280	989	99	0	280 (2020)
9.	goose sp.	60	23	0	80	0	0	0	262	500	360	1285	129	0	500 (2019)
10.	Pink-footed Goose	240	2495	3250	389	8	0	24	201	216	120	6943	694	0	3250 (2013)
11.	Tundra Bean Goose	139	11	4	0	4	0	0	61	23	55	297	30	0	139 (2011)
12.	Eurasian White-fronted Goose	158	147	27	0	94	0	1	79	220	47	773	77	0	220 (2019)
13.	Mute Swan	62	46	17	1	8	0	27	2	9	30	202	20	5	62 (2011)
14.	Bewick's Swan	16	9	0	23	0	0	0	3	0	0	51	5.1	0	23 (2014)
15.	Whooper Swan	0	0	0	0	0	0	0	1	0	0	1	0.1	2	1 (2018)
16.	swan sp.	0	0	0	0	0	0	0	2	0	0	2	0.2	0	2 (2018)
17.	Egyptian Goose	145	170	56	18	44	4	45	45	15	37	579	58	8	170 (2012)
18.	Shelduck	894	739	941	765	295	316	694	358	1183	1070	7255	726	5	1183 (2019)
19.	Garganey	13	22	6	0	0	1	12	0	0	6	60	6	0	22 (2012)
20.	Shoveler	334	76	170	0	11	3	376	23	78	514	1585	159	0	514 (2020)
21.	Gadwall	245	223	34	7	17	2	26	8	40	64	666	67	0	245 (2011)
22.	Wigeon	2075	4635	3345	344	447	64	389	1451	1011	648	14409	1441	574	4635 (2012)
23.	Mallard	78	178	96	10	2	2	4	2	11	70	453	45	4	178 (2012)
24.	Pintail	104	82	81	3	7	17	71	42	21	75	503	50	0	104 (2011)
25.	Teal	1209	1393	1891	78	181	62	421	331	197	645	6408	641	27	1891 (2013)
26.	dabbling duck sp.	0	0	0	0	0	2	0	1200	0	0	1202	120	0	1200 (2018)
27.	duck sp.	132	10	0	0	3	2	22	79	4	24	276	28	0	132 (2011)
28.	Red-crested Pochard	13	0	2	0	28	0	1	0	0	0	44	4.4	0	28 (2015)
29.	Pochard	14	85	33	0	111	0	2	34	9	2	290	29	0	111 (2015)
30.	Tufted Duck	54	243	57	1	68	7	33	22	25	35	545	55	1	243 (2012)
31.	Scaup	4	50	10	10	5	0	1	1	4	19	104	10	0	50 (2012)
32.	Aythya sp.	0	0	1	0	0	0	0	0	20	4	25	2.5	0	20 (2019)
33.	Eider	1489	1391	728	24	55	16	129	103	160	193	4288	429	78	1489 (2011)
34.	Velvet Scoter	35	84	44	8	30	5	54	38	133	42	473	47	6	133 (2019)
35.	Common Scoter	3734	8107	12788	422	1933	692	2131	1785	2705	4182	38479	3848	563	12788 (2013)
36.	Long-tailed Duck	7	1	4	0	0	0	2	1	4	1	20	2	0	7 (2011)
37.	Goldeneye	32	113	17	2	1	0	5	18	10	29	227	23	0	113 (2012)
38.	Smew	1	347	6	2	0	0	0	4	1	0	361	36	1	347 (2012)
39.	Goosander	16	464	8	4	1	0	5	25	4	9	536	54	0	464 (2012)
40.	Red-breasted Merganser	535	448	245	65	219	28	192	69	112	155	2068	207	6	535 (2011)
41.	Swift	59	16	0	0	1	2	111	0	1	3	193	19	0	111 (2017)
42.	Stock Dove	2	1	11	0	0	0	0	0	0	0	14	1.4	0	11 (2013)
43.	Woodpigeon	13	35	4	0	1	0	0	0	2	4	59	5.9	0	35 (2012)
44.	Collared Dove	3	3	0	0	0	0	0	0	0	0	6	0.6	0	3 (2011)
45.	Little Grebe	0	0	1	0	0	0	0	0	0	0	1	0.1	0	1 (2013)
46.	Red-necked Grebe	7	12	11	6	5	0	2	3	5	1	52	5.2	1	12 (2012)
47.	Great Crested Grebe	2901	6287	6099	1480	323	136	344	1707	1023	388	20688	2069	2196	6287 (2012)
48.	Slavonian Grebe	2	0	5	0	4	0	2	2	1	1	17	1.7	0	5 (2013)
49.	Black-necked Grebe	8	3	2	0	1	0	0	0	0	0	14	1.4	0	8 (2011)
50.	Black-necked / Slavonian Grebe	1	1	2	0	0	0	0	0	0	0	4	0.4	0	2 (2013)
	Species	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020	Totals	Average	Present	Year Maximum
51.	Oystercatcher	731	590	195	13	110	28	249	95	160	255	2426	243	328	731 (2011)
52.	Avocet	144	148	8	0	0	0	1	1	7	131	440	44	0	148 (2012)
53.	Lapwing	14	60	53	0	0	0	0	3	2	1	133	13	0	60 (2012)
54.	Golden Plover	79	113	36	0	22	3	13	9	20	1	296	30	0	113 (2012)
55.	Grey Plover	984	111	89	11	47	13	22	8	116	208	1609	161	5	984 (2011)
56.	Ringed Plover	1220	356	114	2	25	19	55	14	176	503	2484	248	2	1220 (2011)
57.	Little Ringed Plover	0	0	1	0	0	0	0	0	0	0	1	0.1	0	1 (2013)
58.	Kentish Plover	0	2	0	0	0	0	0	0	0	0	2	0.2	0	2 (2012)
59.	Dotterel	1	0	0	0	0	4	0	0	2	8	15	1.5	0	8 (2020)
60.	Whimbrel	542	101	38	0	44	25	159	33	223	1024	2189	219	5	1024 (2020)
61.	Curlew	328	642	716	57	81	18	36	21	62	81	2042	204	2	716 (2013)
62.	Bar-tailed Godwit	3176	843	67	0	33	304	31	15	80	650	5199	520	30	3176 (2011)
63.	Black-tailed Godwit	4	12	23	0	0	0	0	1	2	6	48	4.8	0	23 (2013)
64.	Turnstone	113	94	22	1	20	31	39	6	110	53	489	49	13	113 (2011)
65.	Knot	1796	284	59	7	4	6	17	23	129	74	2399	240	1	1796 (2011)
66.	Ruff	26	11	5	0	19	4	6	1	4	9	85	8.5	0	26 (2011)
67.	wader sp.	465	308	201	0	63	30	23	2	19	253	1364	136	0	465 (2011)
68.	Curlew Sandpiper	6	2	1	0	0	0	3	0	2	2	16	1.6	0	6 (2011)
69.	Sanderling	1067	1002	576	164	123	171	661	147	213	632	4756	476	323	1067 (2011)
70.	Dunlin	2033	1073	849	260	1366	25	375	112	271	670	7034	703	22	2033 (2011)
71.	Purple Sandpiper	31	2	14	0	2	4	4	1	4	8	70	7	0	31 (2011)
72.	Little Stint	7	6	0	0	0	0	0	0	3	0	16	1.6	0	7 (2011)
73.	Calidris sp.	1	24	1	2	43	23	40	2	42	206	384	38	0	206 (2020)
74.	Woodcock	0	1	2	0	4	0	1	0	1	1	10	1	0	4 (2015)
75.	Jack Snipe	0	0	1	0	0	0	0	0	0	0	1	0.1	0	1 (2013)
76.	Snipe	2	53	33	0	3	1	9	1	4	0	106	11	0	53 (2012)
77.	Grey Phalarope	9	3	3	2	1	1	7	0	3	1	30	3	0	9 (2011)
78.	Common Sandpiper	77	27	1	0	0	15	7	0	0	0	127	13	3	77 (2011)
79.	Green Sandpiper	28	5	0	0	0	0	0	0	2	0	35	3.5	0	28 (2011)
80.	Redshank	355	103	114	0	11	12	8	22	56	51	732	73	3	355 (2011)
81.	Marsh Sandpiper	1	0	0	0	0	0	0	0	0	0	1	0.1	0	1 (2011)
82.	Wood Sandpiper	3	0	0	0	0	1	0	0	0	0	4	0.4	0	3 (2011)
83.	Spotted Redshank	13	3	0	0	0	0	0	0	1	0	17	1.7	0	13 (2011)
84.	Greenshank	314	19	5	0	0	0	1	0	3	2	344	34	0	314 (2011)
85.	Kittiwake	22089	26715	9188	1366	9001	406	420	2000	1164	2591	74940	7494	2633	26715 (2012)
86.	Sabine's Gull	7	0	3	3	2	0	3	1	2	2	23	2.3	0	7 (2011)
87.	Black-headed Gull	11210	11537	17446	1514	2069	2949	7153	3561	6808	8030	72277	7228	4857	17446 (2013)
88.	Little Gull	5078	1555	7813	284	240	46	117	82	232	3318	18765	1877	787	7813 (2013)
89.	Ross' Gull	3	0	0	0	0	0	0	0	0	0	3	0.3	0	3 (2011)
90.	Mediterranean Gull	45	29	43	2	11	18	19	9	50	22	248	25	5	50 (2019)
91.	Common Gull	8270	6368	3732	304	1107	205	2629	844	2454	3689	29602	2960	668	8270 (2011)
92.	Great Black-backed Gull	3521	2394	994	143	1312	60	302	305	324	624	9979	998	241	3521 (2011)
93.	Glaucous Gull	3	1	0	1	1	0	0	0	0	0	6	0.6	0	3 (2011)
94.	Iceland Gull	3	1	0	1	2	0	0	1	0	0	8	0.8	0	3 (2011)
95.	Herring Gull	7575	4141	2030	37	4712	654	1143	894	700	1355	23241	2324	1377	7575 (2011)
96.	Caspian Gull	0	0	0	0	0	0	0	0	0	2	2	0.2	0	2 (2020)
97.	Yellow-legged Gull	2	3	3	0	0	1	1	1	0	0	11	1.1	0	3 (2012)
98.	Lesser Black-backed Gull	16071	8723	8041	51	2759	5696	1305	2429	3114	3348	51537	5154	1679	16071 (2011)
99.	Laridae sp.	0	0	1	0	0	0	0	0	0	0	1	0.1	0	1 (2013)
100.	Gull-billed Tern	1	0	0	0	0	0	0	0	0	0	1	0.1	0	1 (2011)
	Species	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020	Totals	Average	Present	Year Maximum
101.	Caspian Tern	2	0	0	0	0	1	1	0	5	1	10	1	0	5 (2019)
102.	Sandwich Tern	4593	2527	1387	181	546	836	844	1166	3777	2536	18393	1839	97	4593 (2011)
103.	Little Tern	413	224	44	1	4	43	23	13	34	165	964	96	19	413 (2011)
104.	Common Tern	1229	1340	5461	12	1806	329	1333	355	2109	10438	24412	2441	517	10438 (2020)
105.	Arctic Tern	445	114	79	7	79	14	9	5	20	35	807	81	2	445 (2011)
106.	Common/Arctic Tern	33361	15946	1302	7	17	242	631	95	789	1838	54228	5423	63	33361 (2011)
107.	White-winged Black Tern	1	0	0	0	0	0	0	0	0	2	3	0.3	0	2 (2020)
108.	Black Tern	1760	115	20	0	13	4	3	14	40	471	2440	244	3	1760 (2011)
109.	Great Skua	96	79	20	10	14	11	67	31	30	10	368	37	4	96 (2011)
110.	Pomarine Skua	231	76	13	17	17	5	19	17	20	3	418	42	4	231 (2011)
111.	Arctic Skua	260	36	44	16	29	5	63	31	109	16	609	61	1	260 (2011)
112.	S. parasiticus / pomarinus	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2018)
113.	Long-tailed Skua	1	7	2	1	1	2	1	1	1	8	25	2.5	0	8 (2020)
114.	skua sp.	108	19	16	18	15	7	24	15	30	12	264	26	1	108 (2011)
115.	Little Auk	10	5	3	1	3	4	1	1	4	0	32	3.2	1	10 (2011)
116.	Guillemot	164	243	145	1191	181	26	50	1562	1275	1333	6170	617	83	1562 (2018)
117.	Razorbill	15	58	247	10	4	0	3	8	22	84	451	45	17	247 (2013)
118.	Razorbill/Guillemot	13521	48085	11525	6821	1098	890	341	2651	6065	3141	94138	9414	157	48085 (2012)
119.	Black Guillemot	0	0	1	0	0	0	0	0	0	0	1	0.1	0	1 (2013)
120.	Puffin	0	5	0	1	0	0	2	1	0	0	9	0.9	0	5 (2012)
121.	Red-throated Diver	4263	11407	9057	1878	455	436	231	7066	5546	3933	44272	4427	135	11407 (2012)
122.	Black-throated Diver	23	19	20	3	6	2	7	6	4	6	96	9.6	0	23 (2011)
123.	Great Northern Diver	4	0	1	0	0	2	1	3	3	0	14	1.4	0	4 (2011)
124.	diver sp.	273	70	42	51	19	4	24	34	4	10	531	53	0	273 (2011)
125.	Storm Petrel	0	1	2	0	1	0	0	0	0	0	4	0.4	0	2 (2013)
126.	storm-petrel sp.	2	0	1	0	0	0	0	0	0	0	3	0.3	0	2 (2011)
127.	Leach's Petrel	22	46	7	3	26	2	30	40	4	2	182	18	0	46 (2012)
128.	Fulmar	32	338	6	1	14	1	2	10	3	3	410	41	0	338 (2012)
129.	Cory's/Scopoli's Shearwater	1	2	0	0	0	0	0	0	0	0	3	0.3	0	2 (2012)
130.	Sooty Shearwater	106	12	5	6	12	19	17	13	3	10	203	20	0	106 (2011)
131.	large shearwater sp.	1	0	0	0	0	0	0	0	0	0	1	0.1	0	1 (2011)
132.	Manx Shearwater	132	10	3	2	0	1	25	19	6	2	200	20	0	132 (2011)
133.	Balearic Shearwater	7	2	1	0	0	0	1	0	1	0	12	1.2	0	7 (2011)
134.	shearwater sp.	1	2	0	0	1	1	1	4	1	0	11	1.1	0	4 (2018)
135.	Gannet	1316	1766	577	169	2010	361	539	525	583	537	8383	838	39	2010 (2015)
136.	Cormorant	12367	12099	3715	668	1799	920	3246	4006	9191	4590	52601	5260	659	12367 (2011)
137.	Shag	0	0	0	0	0	0	0	0	1	0	1	0.1	0	1 (2019)
138.	Spoonbill	86	52	0	1	33	120	23	31	2	66	414	41	0	120 (2016)
139.	Grey Heron	94	53	17	2	3	3	2	1	17	38	230	23	3	94 (2011)
140.	Purple Heron	1	0	0	0	0	0	0	0	3	0	4	0.4	0	3 (2019)
141.	Great White Egret	0	0	0	0	1	0	0	1	0	0	2	0.2	0	1 (2015)
142.	heron sp.	4	0	0	0	0	0	0	0	0	0	4	0.4	0	4 (2011)
143.	Little Egret	2	1	0	0	0	0	0	0	0	1	4	0.4	0	2 (2011)
144.	Osprey	1	0	2	0	0	0	2	0	0	0	5	0.5	0	2 (2013)
145.	Sparrowhawk	16	17	2	0	9	0	7	2	1	1	55	5.5	0	17 (2012)
146.	Goshawk	0	2	0	0	0	0	0	0	0	0	2	0.2	0	2 (2012)
147.	Marsh Harrier	12	5	1	0	0	1	1	0	0	13	33	3.3	0	13 (2020)
148.	Hen Harrier	16	1	4	0	1	0	1	1	1	2	27	2.7	0	16 (2011)
149.	Red Kite	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2018)
150.	Common Buzzard	2	3	0	0	0	0	0	0	0	3	8	0.8	0	3 (2012)
	Species	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020	Totals	Average	Present	Year Maximum
151.	Long-eared Owl	0	0	0	0	2	0	0	0	0	0	2	0.2	0	2 (2015)
152.	Short-eared Owl	3	1	0	2	2	0	0	0	1	0	9	0.9	0	3 (2011)
153.	Kingfisher	0	0	0	0	0	0	0	0	0	1	1	0.1	0	1 (2020)
154.	Great Spotted Woodpecker	3	3	0	0	0	0	1	0	0	0	7	0.7	0	3 (2011)
155.	Kestrel	12	11	1	0	0	2	8	1	7	8	50	5	1	12 (2011)
156.	Merlin	16	10	6	1	5	2	5	2	3	8	58	5.8	0	16 (2011)
157.	Hobby	6	3	0	0	1	2	2	1	0	0	15	1.5	0	6 (2011)
158.	Peregrine	16	7	4	0	4	3	9	2	9	2	56	5.6	1	16 (2011)
159.	falcon sp.	2	1	0	0	1	0	0	0	0	0	4	0.4	0	2 (2011)
160.	Rose-ringed Parakeet	0	7	0	0	0	0	0	4	0	0	11	1.1	0	7 (2012)
161.	Jay	0	5	0	0	0	0	0	0	18	0	23	2.3	0	18 (2019)
162.	Magpie	0	0	0	0	0	0	1	0	0	0	1	0.1	0	1 (2017)
163.	Jackdaw	90	91	0	0	55	0	0	0	100	10	346	35	12	100 (2019)
164.	Rook	1	2	4	0	0	0	0	0	0	1	8	0.8	0	4 (2013)
165.	Carrion Crow	6	0	0	0	0	0	0	0	0	1	7	0.7	0	6 (2011)
166.	Hooded Crow	1	0	0	0	0	0	0	0	0	0	1	0.1	0	1 (2011)
167.	Waxwing	0	2	0	0	0	0	0	0	0	0	2	0.2	0	2 (2012)
168.	Coal Tit	0	9	0	0	0	0	0	0	0	0	9	0.9	0	9 (2012)
169.	Blue Tit	0	5	0	0	16	0	0	0	0	0	21	2.1	0	16 (2015)
170.	Great Tit	0	2	0	0	0	0	0	0	0	0	2	0.2	0	2 (2012)
171.	Wood Lark	15	34	7	0	5	0	0	0	2	1	64	6.4	0	34 (2012)
172.	Skylark	2121	394	116	700	128	12	215	10	26	133	3855	386	1	2121 (2011)
173.	Shore Lark	4	0	1	0	0	0	11	0	1	2	19	1.9	0	11 (2017)
174.	Sand Martin	24	24	8	0	1	0	3	0	1	31	92	9.2	0	31 (2020)
175.	Swallow	1246	868	99	11	7	69	106	39	82	165	2692	269	32	1246 (2011)
176.	House Martin	21	13	4	0	1	12	18	3	45	4	121	12	0	45 (2019)
177.	Long-tailed Tit	0	0	0	0	13	0	0	0	0	0	13	1.3	0	13 (2015)
178.	Goldcrest	0	1	3	0	5	0	0	0	0	0	9	0.9	0	5 (2015)
179.	Starling	13763	48903	24693	1500	35585	240	75921	997	8546	44706	254854	25485	0	75921 (2017)
180.	Song Thrush	53	137	5	0	1	2	1	0	36	4	239	24	2	137 (2012)
181.	Mistle Thrush	3	3	0	0	0	0	0	0	0	0	6	0.6	0	3 (2011)
182.	Redwing	972	770	135	0	0	0	504	1	11	2	2395	240	0	972 (2011)
183.	Blackbird	10	14	3	0	0	0	3	0	1	0	31	3.1	0	14 (2012)
184.	Fieldfare	114	174	3388	0	7	0	1521	0	1	141	5346	535	0	3388 (2013)
185.	Ring Ouzel	0	1	0	0	0	0	0	0	0	0	1	0.1	0	1 (2012)
186.	thrush sp.	580	0	0	0	0	0	0	0	0	0	580	58	0	580 (2011)
187.	Robin	0	1	0	0	0	0	0	0	0	0	1	0.1	0	1 (2012)
188.	Whinchat	0	1	1	0	0	0	0	0	0	0	2	0.2	0	1 (2012)
189.	Wheatear	10	3	0	0	0	0	2	0	0	7	22	2.2	1	10 (2011)
190.	Tree Sparrow	2	38	0	18	4	0	0	0	1	0	63	6.3	0	38 (2012)
191.	House Sparrow	0	5	0	0	1	0	0	0	0	0	6	0.6	0	5 (2012)
192.	Dunnock	0	2	0	0	0	0	0	0	0	0	2	0.2	0	2 (2012)
193.	Blue-headed Wagtail	19	0	0	0	1	26	0	1	6	76	129	13	0	76 (2020)
194.	Yellow Wagtail (flavissima)	1	0	0	0	0	0	0	0	0	1	2	0.2	0	1 (2011)
195.	Grey-headed Wagtail	2	0	0	0	0	0	0	0	0	1	3	0.3	0	2 (2011)
196.	Yellow wagtail sp.	128	164	58	1	4	25	4	6	54	15	459	46	0	164 (2012)
197.	Grey Wagtail	29	30	4	8	14	4	8	2	45	18	162	16	1	45 (2019)
198.	White Wagtail	147	51	56	7	6	11	24	34	20	19	375	38	1	147 (2011)
199.	alba wagtail sp.	146	107	124	1	30	1	8	1	77	38	533	53	0	146 (2011)
200.	Pied Wagtail	1	3	0	0	0	0	1	0	0	0	5	0.5	0	3 (2012)
	Species	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020	Totals	Average	Present	Year Maximum
201.	Richard's Pipit	1	0	0	0	0	0	1	0	1	0	3	0.3	0	1 (2011)
202.	Tawny Pipit	1	0	0	0	0	0	0	0	0	0	1	0.1	0	1 (2011)
203.	Meadow Pipit	4746	3452	564	92	103	415	533	245	1290	551	11991	1199	34	4746 (2011)
204.	Tree Pipit	8	14	0	0	0	0	0	0	4	1	27	2.7	0	14 (2012)
205.	Rock Pipit	34	25	13	9	8	3	26	3	8	3	132	13	4	34 (2011)
206.	Rock Pipit/Water Pipit	0	0	0	16	2	0	0	0	2	2	22	2.2	0	16 (2014)
207.	Chaffinch	21528	9993	101	6002	2867	0	819	19	2565	6065	49959	4996	2	21528 (2011)
208.	Brambling	19	190	1	35	41	0	31	0	6	14	337	34	0	190 (2012)
209.	Greenfinch	17	45	3	1	17	0	12	5	12	16	128	13	55	45 (2012)
210.	Twite	3	10	4	0	0	0	0	0	0	0	17	1.7	0	10 (2012)
211.	Linnet	423	60	21	0	11	23	37	4	41	53	673	67	2	423 (2011)
212.	Mealy Redpoll	0	0	0	0	0	0	0	30	0	0	30	3	0	30 (2018)
213.	Lesser Redpoll	1	0	0	0	0	0	0	0	0	0	1	0.1	0	1 (2011)
214.	redpoll sp.	1	9	1	0	1	0	1	1	1	1	16	1.6	0	9 (2012)
215.	Crossbill	0	0	0	0	0	0	1	0	5	8	14	1.4	0	8 (2020)
216.	Goldfinch	9	17	17	1	3	1	20	14	1	50	133	13	0	50 (2020)
217.	Serin	0	0	1	0	0	0	0	0	0	0	1	0.1	0	1 (2013)
218.	Siskin	124	452	13	43	138	0	1	11	15614	265	16661	1666	0	15614 (2019)
219.	Lapland Bunting	5	2	3	0	0	3	0	0	1	1	15	1.5	0	5 (2011)
220.	Snow Bunting	3	9	7	1	1	0	6	0	1	4	32	3.2	0	9 (2012)
221.	Yellowhammer	0	1	0	0	0	0	4	0	3	0	8	0.8	0	4 (2017)
222.	Reed Bunting	13	17	3	7	38	3	1	2	13	17	114	11	0	38 (2015)
223.	bunting sp.	0	0	0	0	0	0	0	2	0	0	2	0.2	0	2 (2018)
224.	Species unidentified	0	1	0	0	0	0	0	0	0	0	1	0.1	0	1 (2012)
225.	passerine sp.	1	1	0	0	0	0	0	1	0	0	3	0.3	0	1 (2011)
	Other species
1.	Harbour Porpoise	105	194	110	13	18	6	11	35	70	59	621	62	5	194 (2012)
2.	Common Dolphin	0	0	1	0	0	0	0	0	0	0	1	0.1	0	1 (2013)
3.	Bottle-Nosed Dolphin	0	1	0	0	0	0	0	0	0	0	1	0.1	0	1 (2012)
4.	dolphin sp.	0	0	0	0	2	0	0	0	0	0	2	0.2	0	2 (2015)
5.	Grey seal	2	6	6	1	4	3	1	0	0	1	24	2.4	1	6 (2012)
6.	Common Seal	1	3	7	3	1	0	2	0	1	0	18	1.8	0	7 (2013)
7.	Common Noctule	1	0	0	0	0	0	0	0	0	0	1	0.1	0	1 (2011)
	Species	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020	Totals	Average	Present	Year Maximum
	Totals	234612	265559	147235	34320	78588	17577	108697	38914	84311	125706	1135519	113552	18459
	Observation hours	388:35	325:46	180:25	53:35	117:52	70:50	182:43	145:16	249:05	195:57	1,910:04	191:00

Trektellen

Totals Katwijk - Savoy (zeetrek) 2011 - 2020