Select until 28 April

Totals Katwijk - Savoy (zeetrek) 2016 - 2025



 Species2016201720182019202020212022202320242025TotalsAveragePresentYear
Maximum
1.Dark-bellied Brent Goose22983241186740701187294309339816611547115554070 (2020)
2.Pale-bellied Brent Goose000020000020.202 (2020)
3.Black Brant010000000010.101 (2017)
4.Red-breasted Goose000000100010.101 (2022)
5.Canada Goose018016198173253915415039 (2025)
6.Barnacle Goose5433038450928162795775234914435924692502816 (2020)
7.Greylag Goose073921175913065792451690695130 (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 Swan02729301201811010911230 (2020)
15.Bewick's Swan003000000030.303 (2018)
16.Whooper Swan001000000010.121 (2018)
17.swan sp.002000000020.202 (2018)
18.Egyptian Goose44545153722113432432380381113 (2022)
19.Shelduck316694358118310703191081107415539628962991183 (2019)
20.Mandarin000001400050.504 (2022)
21.Garganey112006213370444.4013 (2022)
22.Shoveler337623785141219945236913511350514 (2020)
23.Gadwall226840643936157424124064 (2020)
24.Wigeon6438914511011648890298142518846568296832491451 (2018)
25.Mallard242117051200979.7070 (2020)
26.Pintail1771422175296554521444044175 (2020)
27.Teal62421331197645504265354149639356735718645 (2020)
28.dabbling duck sp.2012000004000120612101200 (2018)
29.duck sp.222794246827946156482480156 (2025)
30.Red-crested Pochard010000100020.201 (2017)
31.Pochard023492511400676.7034 (2018)
32.Tufted Duck7332225354062712721421040 (2021)
33.Scaup0114192813370767.6028 (2021)
34.Aythya sp.00020410000252.5020 (2019)
35.Eider16129103160193169124124100119123712410193 (2020)
36.Velvet Scoter5543813342474459181441444133 (2019)
37.Common Scoter692213117852705418249073336683235058633093830947396832 (2023)
38.Long-tailed Duck021411000090.904 (2019)
39.Goldeneye05181029722040959.5229 (2020)
40.Smew004100010060.614 (2018)
41.Goosander05254990100535.3025 (2018)
42.Red-breasted Merganser2819269112155180158190685812101217192 (2017)
43.Swift21110131904200178180111 (2017)
44.Woodpigeon000240241200420420412 (2023)
45.Collared Dove000000120030.302 (2023)
46.Red-necked Grebe0235101000121.215 (2019)
47.Great Crested Grebe1363441707102338839341426312026481448110621707 (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.Oystercatcher2824995160255297216256115641735174203297 (2021)
53.Avocet01171312346033215220131 (2020)
54.Grey Plover13228116208478430340413516911691478 (2021)
55.Golden Plover31392016815202215315068 (2021)
56.Dotterel4002802200181.808 (2020)
57.Ringed Plover195514176503361132221161815151524503 (2020)
58.Little Ringed Plover000000010010.101 (2023)
59.Lapwing003216231610637640623 (2021)
60.Whimbrel2515933223102484544826889162327632861024 (2020)
61.Curlew1836216281413046481039339081 (2020)
62.Bar-tailed Godwit30431158065051811888721491195141514272149 (2024)
63.Black-tailed Godwit001260100010106 (2020)
64.Woodcock010111020060.602 (2023)
65.Snipe191403917100727.2039 (2021)
66.Grey Phalarope1703117400242.407 (2017)
67.Common Sandpiper157000130100363.62015 (2016)
68.Green Sandpiper000204200080.804 (2021)
69.Wood Sandpiper100000000010.101 (2016)
70.Redshank128225651471111621326331111 (2022)
71.Spotted Redshank000101120050.502 (2023)
72.Greenshank0103216395116838.3039 (2022)
73.Turnstone3139611053811546151397405110 (2019)
74.Knot61723129749019263270621621192 (2022)
75.Ruff46149043400717.1043 (2022)
76.wader sp.302321925314486403533665670253 (2020)
77.large wader000000010010.101 (2023)
78.Curlew Sandpiper030220110090.903 (2017)
79.Sanderling17166114721363247446210991553040444043601099 (2023)
80.Dunlin25375112271670582632867505036343638867 (2023)
81.Purple Sandpiper4414862600353.508 (2020)
82.Little Stint0003012500111.105 (2023)
83.Little / Temminck's Stint000000012030.302 (2024)
84.Calidris sp.23402422061401061162719721720206 (2020)
85.Little Tern43231334165855311677170779788170 (2025)
86.Gull-billed Tern000000020020.202 (2023)
87.Caspian Tern1105121200131.305 (2019)
88.Black Tern43144047160110627141112911295601 (2021)
89.White-winged Black Tern000020000020.202 (2020)
90.Arctic Tern1495203541331126086415420112 (2023)
91.Common/Arctic Tern2426319578918382656869198981412010043100402656 (2021)
92.Common Tern32913333552109104385701461640181625195332477324895310438 (2020)
93.Sandwich Tern83684411663777253634272651178611318961905019051393777 (2019)
94.Little Gull46117822323318705434962381161572174591746577054 (2021)
95.Kittiwake406420200011642591234375642025691144521445254202 (2023)
96.Sabine's Gull0312202310141.403 (2017)
97.Black-headed Gull294971533561680880301529426803773617427512925129210615294 (2021)
98.Mediterranean Gull181995022222393377426439222 (2021)
99.Common Gull2052629844245436892446120234993521101743017435183689 (2020)
100.Caspian Gull000021003060.613 (2024)
 Species2016201720182019202020212022202320242025TotalsAveragePresentYear
Maximum
101.Herring Gull654114389470013552521652512719556365648801355 (2020)
102.Yellow-legged Gull111001000040.401 (2016)
103.Great Black-backed Gull603023053246241741021584142094209110624 (2020)
104.Glaucous Gull000001000010.101 (2021)
105.Lesser Black-backed Gull56961305242931143348578574302170851021283212816995696 (2016)
106.Iceland Gull001000210040.402 (2022)
107.Long-tailed Skua211183473030308 (2020)
108.skua sp.72415301235252110017918135 (2021)
109.Arctic Skua563311091612167125130550554125 (2023)
110.S. parasiticus / pomarinus001000001020.201 (2018)
111.Pomarine Skua5191720386500838.3020 (2019)
112.Great Skua11673130104546016817067 (2017)
113.Puffin021001001050.502 (2017)
114.Razorbill0382284142373205085123373 (2023)
115.Razorbill/Guillemot890341265160653141504812477262724103348133483612477 (2022)
116.Little Auk4114004100151.514 (2016)
117.Guillemot26501562127513335322255645607153715382255 (2022)
118.Red-throated Diver43623170665546393344173099250469044279662797687066 (2018)
119.Black-throated Diver27646961120535.3211 (2023)
120.Great Northern Diver2133002300141.403 (2018)
121.diver sp.424344103317912114815034 (2018)
122.Storm Petrel000001010020.201 (2021)
123.storm-petrel sp.000000010010.101 (2023)
124.Leach's Petrel230404233200868.6040 (2018)
125.Fulmar121033624018010310062 (2021)
126.Sooty Shearwater1917133101529226013413029 (2022)
127.Manx Shearwater1251962101020666.6025 (2017)
128.Balearic Shearwater010101010040.401 (2017)
129.shearwater sp.1141020300121.204 (2018)
130.Gannet3615395255835376038255072365219431943215072 (2023)
131.Cormorant920324640069191459045344508349016824863665336655359191 (2019)
132.Shag000100000010.101 (2019)
133.Spoonbill120233126693551013404400120 (2016)
134.Little Egret000010000010.101 (2020)
135.Great White Egret0010039000131.309 (2022)
136.Grey Heron321173818182035715916538 (2020)
137.Purple Heron000300500080.805 (2022)
138.Osprey020000100030.302 (2017)
139.Sparrowhawk0721111210161.607 (2017)
140.Marsh Harrier11001322110212.1013 (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.Kestrel281782011030318 (2017)
149.Merlin2523833510323.208 (2020)
150.Hobby2210000701131.307 (2023)
 Species2016201720182019202020212022202320242025TotalsAveragePresentYear
Maximum
151.Peregrine3929233400353.519 (2017)
152.Rose-ringed Parakeet004000000040.404 (2018)
153.Jay00018000000181.8018 (2019)
154.Magpie010000600070.706 (2022)
155.Jackdaw0001001002020003123114202 (2022)
156.Rook000010000010.101 (2020)
157.Carrion Crow000010101250.522 (2025)
158.Blue Tit00000014000141.4014 (2022)
159.Great Tit000000300030.303 (2022)
160.Wood Lark0002120800131.308 (2023)
161.Skylark12215102613396879150594590215 (2017)
162.Shore Lark01101260000202011 (2017)
163.Sand Martin030131125022565.6031 (2020)
164.Swallow691063982165891743012207867915174 (2022)
165.House Martin1218345415120010010045 (2019)
166.Chiffchaff/Willow Warbler000000100010.101 (2022)
167.Starling2407592199785464470669998800880521865234452234459188052 (2023)
168.Song Thrush210364510600646.4036 (2019)
169.Mistle Thrush000000020020.202 (2023)
170.Redwing050411122550600779780504 (2017)
171.Blackbird0301024100111.104 (2022)
172.Fieldfare01521011414502900173717401521 (2017)
173.Whinchat000000001010.101 (2024)
174.Stonechat000000001010.101 (2024)
175.Wheatear0200701110121.207 (2020)
176.Tree Sparrow000100010020.201 (2019)
177.Dunnock000000050050.505 (2023)
178.Blue-headed Wagtail26016760412011612076 (2020)
179.Yellow Wagtail (flavissima)000010100020.201 (2020)
180.Grey-headed Wagtail000010000010.101 (2020)
181.Yellow wagtail sp.254654155369136725225069 (2022)
182.Grey Wagtail482451874373012813045 (2019)
183.White Wagtail1124342019111973515315434 (2018)
184.alba wagtail sp.181773813295811123724077 (2019)
185.Pied Wagtail010000001020.201 (2017)
186.Richard's Pipit010100000020.201 (2017)
187.Meadow Pipit4155332451290551416647251938927007701362519 (2023)
188.Tree Pipit0004133200131.304 (2019)
189.Rock Pipit326383104400616.1326 (2017)
190.Rock Pipit/Water Pipit000220001050.502 (2019)
191.Chaffinch081919256560656214382450019862198608245 (2023)
192.Brambling0310614031500696.9031 (2017)
193.Greenfinch01251216042100707021 (2023)
194.Twite000000010010.101 (2023)
195.Linnet233744153462713670374374136 (2023)
196.Mealy Redpoll00300000100313.1030 (2018)
197.redpoll sp.01111101500202015 (2023)
198.Crossbill01058001200262.6012 (2023)
199.Goldfinch1201415051160010811050 (2020)
200.Siskin0111156142651320286210190751908015614 (2019)
 Species2016201720182019202020212022202320242025TotalsAveragePresentYear
Maximum
201.Lapland Bunting300111010070.703 (2016)
202.Snow Bunting0601431200171.756 (2017)
203.Yellowhammer040300030010104 (2017)
204.Reed Bunting31213170102900757.5029 (2023)
205.bunting sp.002000000020.202 (2018)
206.passerine sp.001000000010.101 (2018)
Other species
1.Harbour Porpoise6113570593126339328328270 (2019)
2.dolphin sp.000001000010.101 (2021)
3.Grey seal310011300090.903 (2016)
4.Common Seal020101010050.502 (2017)
5.Common / Grey seal000001010020.201 (2021)
6.Common Noctule000000001010.101 (2024)
 Species2016201720182019202020212022202320242025TotalsAveragePresentYear
Maximum
  Totals 17577108697389148431112570681497650471603331865194487101817101810176  
  Observation hours 70:50182:43145:16249:05195:57178:22167:07159:3974:1522:511,446:05144:37  


 
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