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Ruud Visser

Data Scientist — Photographer — Birdwatcher

  • Kruiswoordpuzzels
    • Puzzels
    • Uitleg en tips
  • Photography
    • Galleries
    • Albums
      • Chile (2017)
      • Königssee (2016)
      • Noiseux (2005)
      • Costa Brava (2005)
      • Barcelona (2005)
      • Girona (2005)
      • Turkey (2004)
      • Norway (2004)
      • Berlin (2003)
      • Zwiesel (2002)
      • South Africa & Mauritius (2001)
  • Birding
    • Life List
    • 2020 Year List
    • 2019 Year List
    • 2018 Year List
    • 2017 Year List
    • 2016 Year List
    • 2015 Year List
    • 2014 Year List
  • Astronomy
    • Refereed papers
    • Conference proceedings
    • Talks
    • Outreach & popular science
    • Posters
    • PhD thesis
Spreek je Nederlands?
  • Fotografie:
    • overzicht van mijn beste werk
    • albums gerangschikt naar onderwerp
  • Vogels kijken:
    • levenslijst wereldwijd
    • levenslijst Europa
    • levenslijst Noord-Amerika
    • levenslijst Zuid-Amerika
  • Kruiswoordpuzzels:
    • inleiding & tips
    • makkelijkere puzzels
    • moeilijkere puzzels
    • mini’s
  • Sterrenkunde:
    • lijst met publicaties
    • PDF’s van presentaties
Do you speak English?
  • Photography:
    • galleries of my best work
    • albums organized by topic
  • Birdwatching:
    • worldwide life list
    • European life list
    • North-American life list
    • South-American life list
  • Crosswords (only in Dutch):
    • introduction & tips
    • easier puzzles
    • harder puzzles
    • minis
  • Astronomy:
    • list of publications
    • PDFs of presentations

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2021 in Birds

October (1)
102. Rook
 
September (1)
101. Water Rail
 
August (5)
100. Ruddy Turnstone
99. Great Black-backed Gull
98. Common Ringed Plover
97. Common Redshank
96. Spotted Flycatcher
 
July (1)
95. Green Sandpiper
 
May (10)
94. Common Nightingale
93. Red-crested Pochard
92. Greater Whitethroat
91. Bank Swallow
90. Common Swift
89. Garden Warbler
88. Common Swift
87. Black Tern
86. Common Tern
85. Common Sandpiper
 
April (15)
84. Lesser Whitethroat
83. Tree Pipit *
82. Sedge Warbler
81. Yellowhammer
80. Hawfinch
79. European Pied Flycatcher
78. Song Thrush
77. Eurasian Bullfinch
76. European Green Woodpecker
75. Eurasian Blackcap
74. Barn Swallow
73. Sky Lark
72. Willow Warbler
71. European Goldfinch
70. White Wagtail
 
March (3)
69. Pied Avocet
68. Eurasian Spoonbill
67. Common Chiffchaff
 
February (9)
66. Lesser Black-backed Gull
65. Northern Pintail
64. European Starling
63. Black-tailed Godwit
62. Eurasian Oystercatcher
61. Peregrine Falcon
60. Smew
59. Eurasian Tree Sparrow
58. Ring-necked Pheasant
 
January (57)
57. European Stonechat
56. Eurasian Kestrel
55. Mew Gull
54. Common Pochard
53. Reed Bunting
52. Eurasian Sparrowhawk
51. Barnacle Goose
50. Rock Pigeon
49. Northern Lapwing
48. Common Firecrest
47. Little Grebe
46. Cetti's Warbler
45. White Stork
44. Eurasian Jay
43. Short-toed Treecreeper
42. European Greenfinch
41. Eurasian Nuthatch
40. Common Buzzard
39. Great Crested Grebe
38. Gray Wagtail
37. Great Spotted Woodpecker
36. Redwing
35. Common Snipe
34. Carrion Crow
33. Eurasian Wren
32. Gray Heron
31. Gadwall
30. Eurasian Wigeon
29. Green-winged Teal
28. Northern Shoveler
27. Common Shelduck
26. Egyptian Goose
25. Tufted Duck
24. Canada Goose
23. Great Egret
22. Eurasian Blackbird
21. Mallard
20. Eurasian Coot
19. Common Kingfisher
18. Great Cormorant
17. Herring Gull
16. Long-tailed Tit
15. Common Wood Pigeon
14. Common Chaffinch
13. House Sparrow
12. Mute Swan
11. Black-headed Gull
10. Eurasian Moorhen
9. Dunnock
8. European Robin
7. Rose-ringed Parakeet
6. Eurasian Blue Tit
5. Eurasian Magpie
4. Great Tit
3. Graylag Goose
2. Eurasian Collared Dove
1. Eurasian Jackdaw
 
* denotes lifer
  • Kruiswoordpuzzels
    • Puzzels
    • Uitleg en tips
  • Photography
    • Galleries
    • Albums
      • Chile (2017)
      • Königssee (2016)
      • Noiseux (2005)
      • Costa Brava (2005)
      • Barcelona (2005)
      • Girona (2005)
      • Turkey (2004)
      • Norway (2004)
      • Berlin (2003)
      • Zwiesel (2002)
      • South Africa & Mauritius (2001)
  • Birding
    • Life List
    • 2020 Year List
    • 2019 Year List
    • 2018 Year List
    • 2017 Year List
    • 2016 Year List
    • 2015 Year List
    • 2014 Year List
  • Astronomy
    • Refereed papers
    • Conference proceedings
    • Talks
    • Outreach & popular science
    • Posters
    • PhD thesis
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