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Summary of the season 2015

Co wydarzyło się na Kaleńsku po zaintalowaniu platofm i przeprowadzeniu prac ziemnych? Oto krótkie podsumowanie 🙂Tablica informacyjna w Kaleńsku

What happened in Kaleńsko after the installment of platforms and ground work had been finished? Here is a quick summary J

Generally, what happened there was a very pleasant surprise for all of us!
As of today I can say that:
–  after 9 years of failures,  Eurasian oystercatcher Haematopus ostralegus has finally managed to have a successful clutch. There is a photograph of the hatchling in the attachments, we also have a video that shows how its parents teach it to hunt. I am very glad that I could show this phenomenon to kids. It hatched on the island and (as Eurasian oystercatcher is a precocial) left it, later we saw its parent leading him along the shoreline.
– for the first time in 9 years little tern Sternula albifrons has had its first successful clutch (just like the oystercatcher, they were losing the clutch when it was still an egg). It is very important, as the species is extremely rare in Poland and the number of them is decreasing. We had a minimal amount of 8 nests (probably 9) with a full clutch of 3 eggs in each nest. Three birds hatched from every one of those 8 nests and all of them lived as long as to able to learn to fly. They are now beautifully hunting around the Odra river, and in their homeland in the reservoir (interesting fact – they were flying in a triangular sibling formation)
– Common tern Sterna hirundo. Until now, the highest observed amount was 12 pairs (which is a crazy big number in western Poland), usually the number was lower, not higher than 8 – 10 pairs, they also had only one partially-successful clutch in 2008. This year, I couldn’t believe my eyes when I saw at least 50 nests (there were around of 100 adult specimen around the area!). They all had successful clutches (some could have had more than one). Around 15th of July, a falcon attacked and more than 200 birds flew up simultaneously.
– It is worth to mention at least 5 nests with fully successful clutches of little ringed plover Charadrius dubius (there were 6, but one was lost in the recent days, in addition it was the only nest located on land, and the mother did not care much for it. It was also clutched a little late. The clutch was destroyed at the end of July by some predator). After a successful hatch, at least two pairs proceeded to have another hatch.

To sum up, even after taking into account the annual losses of some clutches (of very valuable species) it was a real explosion in the population.

The full list of observed species in Kaleńsko and Chlewice is significantly longer (non-migratory birds were bolded)

  1. Ruff Philomachus pugnax,
  2. Common pheasant Phasianus colchicus,
  3. Eurasian bittern Botaurus stellaris,
  4. Jack snipe Lymnocryptes minimus,
  5. Barnacle goose Branta leucopsis,
  6. Canada goose Branta canadensis,
  7. Northern wheatear Oenanthe oenanthe,
  8. Little stint Calidris minuta,
  9. Dunlin Calidris alpina,
  10. Smew Mergus albellus,
  11. White-tailed eagle Haliaeetus albicilla,
  12. Western marsh harrier Circus aeruginosus,
  13. Hen harrier Circus cyaneus,
  14. White stork Ciconia ciconia,
  15. Black stork Ciconia nigra(picture 11),
  16. Great tit Parus major,
  17. Common sandpiper Actitis hypoleucos,
  18. Marsh sandpiper Tringa stagnatilis,
  19. Spotted redshank Tringa erythropus,
  20. Sand martin Riparia riparia,
  21. Eurasian teal Anas crecca,
  22. Garganey Anas querquedula,
  23. Northern lapwing Vanellus vanellus,
  24. Great egret Egretta alba,
  25. Grey heron Ardea cinerea,
  26. Tufted duck Aythya fuligula,
  27. Eurasian siskin Carduelis spinus,
  28. Corn crake Crex crex,
  29. Hoopoe Upupa epops,
  30. Barn swallow Hirundo rustica,
  31. Crested lark Galerida cristata,
  32. Rook Corvus frugilegus,
  33. Common goldeneye Bucephala clangula,
  34. Red-backed shrike Lanius collurio,
  35. Greylag goose Anser anser,
  36. Egyptian Goose Alopochen aegyptiaca (picture 12),
  37. Greater white-fronted goose Anser albifrons,
  38. Bean goose Anser fabalis,
  39. Common pochard Aythya ferina,
  40. Common wood pigeon Columba palumbus,
  41. Red-crested pochard Netta rufina,
  42. Northern goshawk Accipiter gentilis,
  43. Common swift Apus apus,
  44. Red kite Milvus milvus,
  45. Western jackdaw Corvus monedula,
  46. Common moorhen Gallinula chloropus,
  47. Great cormorant Phalacrocorax carbo,
  48. Common blackbird Turdus merula,
  49. Gadwall Anas strepera,
  50. Common raven Corvus corax,
  51. Common redshank Tringa totanus,
  52. mallard Anas platyrhynchos,
  53. Common snipe Gallinago Gallinaro,
  54. Common cuckoo Cuculus canorus,
  55. Eurasian curlew Numenius arquata,
  56. Common greenshank Tringa nebularia,
  57. Whooper swan Cygnus cygnus,
  58. Mute swan Cygnus olor,
  59. Wood sandpiper Tringa glareola,
  60. Eurasian coot Fulica atra,
  61. Little gull Hydrocoloeus minutus,
  62. European herring gull Larus argentatus,
  63. Eurasian blue tit Cyanistes caeruleus,
  64. Buteo Buteo buteo,
  65. Common merganser Mergus merganser,
  66. Common shelduck Tadorna tadorna,
  67. Eurasian oystercatcher Haematopus ostralegus,
  68. Little grebe Tachybaptus ruficollis,
  69. Great crested grebe Podiceps cristatus,
  70. Red-necked grebe Podiceps grisegena,
  71. White wagtail Motacilla alba,
  72. Western yellow wagtail Motacilla flava,
  73. Northern shoveler Anas clypeata,
  74. Common reed bunting Emberiza schoeniclus,
  75. Common kestrel Falco tinnunculus,
  76. Northern pintail Anas acuta,
  77. Little tern Sternula albifrons,
  78. White-winged tern Chlidonias leucopterus,
  79. Whiskered tern Chlidonias hybrida,
  80. Black tern Chlidonias niger,
  81. Common tern Sterna hirundo,
  82. Caspian tern Hydroprogne caspia(picture 13),
  83. Osprey Pandion haliaetus,
  84. Green sandpiper Tringa ochropus,
  85. Eurasian collared dove Streptopelia decaocto,
  86. Little ringed plover Charadrius dubius,
  87. Common ringed plover Charadrius hiaticula
  88. Stock dove Columba oenas,
  89. Eurasian skylark Alauda arvensis,
  90. Eurasian magpie Pica pica,
  91. Great grey shrike Lanius excubitor,
  92. Common starling Sturnus vulgaris,
  93. Black-headed gull Chroicocephalus ridibundus,
  94. Red-throated pipit Anthus cervinus,
  95. Eurasian wigeon Anas penelope,
  96. Terek sandpiper Xenus cinereus (picture 14),
  97. Hooded crow Corvus cornix,
  98. Black-necked grebe Podiceps nigricollis,
  99. Common kingfisher Alcedo atthis,
  100. Common crane Grus grus,
  101. Barnacle goose Branta leucopsis
zdowSummary of the season 2015