Select until 11 December

Totals Katwijk - Savoy (zeetrek) 2016 - 2025



 Species2016201720182019202020212022202320242025TotalsAveragePresentYear
Maximum
1.Dark-bellied Brent Goose229832411867407011872943093398119112572125754070 (2020)
2.Pale-bellied Brent Goose000020000130.302 (2020)
3.Black Brant010000000010.101 (2017)
4.Red-breasted Goose000000100010.101 (2022)
5.Canada Goose018016198173257118619071 (2025)
6.Barnacle Goose5433038450928162795775234914466927792802816 (2020)
7.Greylag Goose073921175913065792476715725130 (2021)
8.Anser sp.002155428000000549550280 (2020)
9.goose sp.0026250036067946069014121410500 (2019)
10.Pink-footed Goose024201216120026500628630216 (2019)
11.Tundra Bean Goose006123556000014515061 (2018)
12.Eurasian White-fronted Goose017922047191308800584580220 (2019)
13.Black Swan000000200020.202 (2022)
14.Mute Swan02729301201811211111330 (2020)
15.Bewick's Swan003000000030.303 (2018)
16.Whooper Swan001000000010.121 (2018)
17.swan sp.002000000350.503 (2025)
18.Egyptian Goose44545153722113432432380381113 (2022)
19.Shelduck31669435811831070319108110741551547779778091547 (2025)
20.Mandarin000001400050.504 (2022)
21.Garganey112006213370444.4013 (2022)
22.Shoveler337623785141219945236913511350514 (2020)
23.Gadwall2268406439361572125826064 (2020)
24.Wigeon6438914511011648890298142518857769416942491451 (2018)
25.Mallard242117051201989.8070 (2020)
26.Pintail1771422175296554523746346175 (2020)
27.Teal62421331197645504265354149739366736721739 (2025)
28.dabbling duck sp.2012000004000120612101200 (2018)
29.duck sp.222794246827946156482480156 (2025)
30.Red-crested Pochard010000100020.201 (2017)
31.Pochard023492511402696.9034 (2018)
32.Tufted Duck73322253540627122623323040 (2021)
33.Scaup0114192813378848.4028 (2021)
34.Aythya sp.00020410000252.5020 (2019)
35.Eider16129103160193169124124100223134113411223 (2025)
36.Velvet Scoter5543813342474459181441444133 (2019)
37.Common Scoter6922131178527054182490733366832350518513192631937396832 (2023)
38.Long-tailed Duck021411000110104 (2019)
39.Goldeneye05181029722040959.5229 (2020)
40.Smew004100010060.614 (2018)
41.Goosander05254990100535.3025 (2018)
42.Red-breasted Merganser28192691121551801581906813012821287192 (2017)
43.Swift21110131904202180180111 (2017)
44.Woodpigeon000240241200420420412 (2023)
45.Collared Dove000000120030.302 (2023)
46.Red-necked Grebe0235101000121.215 (2019)
47.Great Crested Grebe1363441707102338839341426312070485848610621707 (2018)
48.Slavonian Grebe022110000060.602 (2017)
49.Black-necked Grebe000000100010.101 (2022)
50.Black-necked / Slavonian Grebe000000100010.101 (2022)
 Species2016201720182019202020212022202320242025TotalsAveragePresentYear
Maximum
51.grebe sp.000000010010.101 (2023)
52.Oystercatcher28249951602552972162561151991870187203297 (2021)
53.Avocet01171312346034216220131 (2020)
54.Grey Plover132281162084784303404120418601861478 (2021)
55.Golden Plover31392016815202815916068 (2021)
56.Dotterel4002802200181.808 (2020)
57.Ringed Plover1955141765033611322211638718841887503 (2020)
58.Little Ringed Plover000000010010.101 (2023)
59.Lapwing003216231610637640623 (2021)
60.Whimbrel2515933223102484544826889293340734161024 (2020)
61.Curlew1836216281413046483341642081 (2020)
62.Bar-tailed Godwit30431158065051811888721491955217522272149 (2024)
63.Black-tailed Godwit001260100010106 (2020)
64.Woodcock010111020060.602 (2023)
65.Snipe191403917101737.3039 (2021)
66.Grey Phalarope1703117402262.607 (2017)
67.Common Sandpiper157000130108444.42015 (2016)
68.Green Sandpiper000204200080.804 (2021)
69.Wood Sandpiper100000000010.101 (2016)
70.Redshank12822565147111162106431431111 (2022)
71.Spotted Redshank000101120050.502 (2023)
72.Greenshank0103216395119868.6039 (2022)
73.Turnstone31396110538115461549445455110 (2019)
74.Knot6172312974901926327321942941321 (2025)
75.Ruff46149043402737.3043 (2022)
76.wader sp.302321925314486403584716720253 (2020)
77.large wader000000010010.101 (2023)
78.Curlew Sandpiper0302201102111.103 (2017)
79.Sanderling1716611472136324744621099155107350875093901099 (2023)
80.Dunlin253751122716705826328675079543794388867 (2023)
81.Purple Sandpiper4414862601363.608 (2020)
82.Little Stint0003012500111.105 (2023)
83.Little / Temminck's Stint000000012140.402 (2024)
84.Calidris sp.234024220614010611627119821820206 (2020)
85.Little Tern43231334165855311677262871878262 (2025)
86.Gull-billed Tern000000020350.503 (2025)
87.Caspian Tern1105121200131.305 (2019)
88.Black Tern431440471601106271418414641465601 (2021)
89.White-winged Black Tern000020000020.202 (2020)
90.Arctic Tern14952035413311260228557560228 (2025)
91.Common/Arctic Tern24263195789183826568691989814404813971139704048 (2025)
92.Common Tern32913333552109104385701461640181625396634490344996810438 (2020)
93.Sandwich Tern836844116637772536342726511786113120552020920211393777 (2019)
94.Little Gull46117822323318705434962381161837177241772737054 (2021)
95.Kittiwake40642020001164259123437564202569204146551466314202 (2023)
96.Sabine's Gull0312202311151.503 (2017)
97.Black-headed Gull2949715335616808803015294268037736171557524225242236615294 (2021)
98.Mediterranean Gull18199502222239337134324310222 (2021)
99.Common Gull2052629844245436892446120234993523661768617695413689 (2020)
100.Caspian Gull000021003280.813 (2024)
 Species2016201720182019202020212022202320242025TotalsAveragePresentYear
Maximum
101.Herring Gull654114389470013552521652512727657175729001355 (2020)
102.Yellow-legged Gull111001000040.401 (2016)
103.Great Black-backed Gull6030230532462417410215841492139214130624 (2020)
104.Glaucous Gull000001000010.101 (2021)
105.Lesser Black-backed Gull569613052429311433485785743021708120721980219817575696 (2016)
106.Iceland Gull001000210040.402 (2022)
107.Long-tailed Skua2111834735353.508 (2020)
108.skua sp.724153012352521101619520135 (2021)
109.Arctic Skua5633110916121671251388638645125 (2023)
110.S. parasiticus / pomarinus001000001020.201 (2018)
111.Pomarine Skua5191720386503868.6020 (2019)
112.Great Skua116731301045461017818067 (2017)
113.Puffin021001001050.502 (2017)
114.Razorbill0382284142373215095123373 (2023)
115.Razorbill/Guillemot8903412651606531415048124772627241883356933573712477 (2022)
116.Little Auk41140041022373.7422 (2025)
117.Guillemot265015621275133353222556456227175718392255 (2022)
118.Red-throated Diver436231706655463933441730992504690276281982820727066 (2018)
119.Black-throated Diver27646961121545.4211 (2023)
120.Great Northern Diver2133002300141.403 (2018)
121.diver sp.424344103317912915616034 (2018)
122.Storm Petrel000001010020.201 (2021)
123.storm-petrel sp.000000010010.101 (2023)
124.Leach's Petrel230404233201410010040 (2018)
125.Fulmar121033624018010310062 (2021)
126.Sooty Shearwater19171331015292268521922085 (2025)
127.Manx Shearwater1251962101027614214076 (2025)
128.Balearic Shearwater010101010150.501 (2017)
129.shearwater sp.1141020302141.404 (2018)
130.Gannet3615395255835376038255072365651100611006215072 (2023)
131.Cormorant9203246400691914590453445083490168227853895238956299191 (2019)
132.Shag000100000010.101 (2019)
133.Spoonbill12023312669355101113514510120 (2016)
134.Little Egret000010000010.101 (2020)
135.Great White Egret0010039002151.509 (2022)
136.Grey Heron3211738181820351716917538 (2020)
137.Purple Heron000300500080.805 (2022)
138.Osprey020000100140.402 (2017)
139.Sparrowhawk0721111211171.707 (2017)
140.Marsh Harrier11001322111222.2013 (2020)
141.Hen Harrier011123020010103 (2021)
142.Red Kite001000000010.101 (2018)
143.White-tailed Eagle000001000010.101 (2021)
144.Common Buzzard000032000050.503 (2020)
145.Short-eared Owl000100010020.201 (2019)
146.Kingfisher000010000010.101 (2020)
147.Great Spotted Woodpecker010000110030.301 (2017)
148.Kestrel2817820111313.118 (2017)
149.Merlin2523833510323.208 (2020)
150.Hobby2210000703151.507 (2023)
 Species2016201720182019202020212022202320242025TotalsAveragePresentYear
Maximum
151.Peregrine392923340540419 (2017)
152.Rose-ringed Parakeet004000000040.404 (2018)
153.Jay00018000000181.8018 (2019)
154.Magpie010000600070.706 (2022)
155.Jackdaw0001001002020083203218202 (2022)
156.Rook000010000010.101 (2020)
157.Carrion Crow000010101250.522 (2025)
158.Blue Tit00000014008610010086 (2025)
159.Great Tit000000300030.303 (2022)
160.Wood Lark0002120801141.408 (2023)
161.Skylark122151026133968791523617620215 (2017)
162.Shore Lark01101260000202011 (2017)
163.Sand Martin030131125023575.7031 (2020)
164.Swallow691063982165891743012758418421174 (2022)
165.House Martin1218345415120310310045 (2019)
166.Chiffchaff/Willow Warbler000000100010.101 (2022)
167.Starling24075921997854644706699988008805218649178283625283639188052 (2023)
168.Song Thrush210364510600646.4036 (2019)
169.Mistle Thrush000000020020.202 (2023)
170.Redwing050411122550601780780504 (2017)
171.Blackbird0301024100111.104 (2022)
172.Fieldfare01521011414502900173717401521 (2017)
173.Black Redstart000000000220.202 (2025)
174.Whinchat000000001010.101 (2024)
175.Stonechat000000001010.101 (2024)
176.Wheatear0200701112141.407 (2020)
177.Tree Sparrow000100010020.201 (2019)
178.Dunnock000000050050.505 (2023)
179.Blue-headed Wagtail26016760412211812076 (2020)
180.Yellow Wagtail (flavissima)000010100020.201 (2020)
181.Grey-headed Wagtail000010000010.101 (2020)
182.Yellow wagtail sp.2546541553691361526026069 (2022)
183.Grey Wagtail4824518743731614414045 (2019)
184.White Wagtail1124342019111973515315434 (2018)
185.alba wagtail sp.1817738132958113627227177 (2019)
186.Pied Wagtail010000001020.201 (2017)
187.Richard's Pipit010100000020.201 (2017)
188.Meadow Pipit415533245129055141664725193896557660766412519 (2023)
189.Tree Pipit0004133201141.404 (2019)
190.Rock Pipit326383104401626.2326 (2017)
191.Rock Pipit/Water Pipit000220001050.502 (2019)
192.Chaffinch081919256560656214382450538225244252408245 (2023)
193.Brambling03106140315017868.6031 (2017)
194.Greenfinch01251216042103737.3021 (2023)
195.Twite000000010010.101 (2023)
196.Linnet233744153462713672376384136 (2023)
197.Mealy Redpoll00300000100313.1030 (2018)
198.Redpoll01111101501212.1015 (2023)
199.Crossbill01058001202282.8012 (2023)
200.Goldfinch1201415051160010811050 (2020)
 Species2016201720182019202020212022202320242025TotalsAveragePresentYear
Maximum
201.Siskin01111561426513202862190191651917015614 (2019)
202.Lapland Bunting300111010070.703 (2016)
203.Snow Bunting0601431200171.756 (2017)
204.Yellowhammer040300030010104 (2017)
205.Reed Bunting31213170102905808029 (2023)
206.bunting sp.002000000020.202 (2018)
207.passerine sp.001000000010.101 (2018)
Other species
1.Harbour Porpoise6113570593126339728729270 (2019)
2.dolphin sp.000001000010.101 (2021)
3.Grey seal310011300090.903 (2016)
4.Common Seal020101010160.602 (2017)
5.Common / Grey seal000001010020.201 (2021)
6.Common Noctule000000001010.101 (2024)
 Species2016201720182019202020212022202320242025TotalsAveragePresentYear
Maximum
  Totals 175771086973891484311125706814976504716033318651864217871547871510753  
  Observation hours 70:50182:43145:16249:05195:57178:22167:07159:3974:15141:001,564:14156:25  


 
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