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  1. Hoffmann, T. W.; Warakagoda, D.; Ratnayake, A.; Wijemanne, A. · 1993

    Bodhinagala

    Ceylon Bird Club Notes 1993(April): 37–38 · Journal Article

  2. Ratnayake, A. · 1992

    Ampitiya; Haputale Valley farm, Idalgashinne; Halpe

    Ceylon Bird Club Notes 1992(December): 131 · Journal Article

  3. Ratnayake, A. · 1992

    Haputale; Bandarawela; Ampitiya; Kandy Lake

    Ceylon Bird Club Notes 1992(October): 114–115 · Journal Article

  4. Ratnayake, A. · 1999

    Ampitiya

    Ceylon Bird Club Notes 1999(February): 15 · Journal Article

  5. Ratnayake, A. · 2007

    Noroccholai, Kalpitiya peninsula 18.1

    Ceylon Bird Club Notes 2007(January): 6–7 · Journal Article

  6. Ratnayake, A. · 2007

    Kandy 8.7; Nuwara Eliya; Near Ragala: Brookside 24.7

    Ceylon Bird Club Notes 2007(July): 104 · Journal Article

  7. Ratnayake, A. · 2007

    Talangama wetlands 20.5; Katugastota 7.5; Kadawata 8.5

    Ceylon Bird Club Notes 2007(May): 77–78 · Journal Article

  8. Ratnayake, A. · 2008

    Ampitiya; Kandy; Rikillagaskada 24.10

    Ceylon Bird Club Notes 2008(October): 141–142 · Journal Article

  9. Ratnayake, A. · 2008

    Ampitiya

    Ceylon Bird Club Notes 2008(March): 47 · Journal Article

  10. Ratnayake, A. · 2008

    Adikarigama 19.9; Padiyapelella 19.9; Polgolla, Kandy

    Ceylon Bird Club Notes 2008(September): 127 · Journal Article

  11. Ratnayake, A. · 2008

    Ampitiya; Near Deltota; Near Hanguranketa 11.11

    Ceylon Bird Club Notes 2008(November): 158–159 · Journal Article

  12. Ratnayake, A. · 2008

    Gokarella 11.6; Nuroccholai 12.6; Palavi lagoon 12.6; Tabbowa tank 13.6

    Ceylon Bird Club Notes 2008(June): 88–89 · Journal Article

  13. Ratnayake, A. · 2008

    Near Nildandahinna 1.8; Hanguranketa 6.8; Ampitiya 9.8

    Ceylon Bird Club Notes 2008(August): 114 · Journal Article

  14. Ratnayake, A. · 2008

    Ampitiya 12.4; Kuda Oya 11.4; Near Kotmale 28.4

    Ceylon Bird Club Notes 2008(April): 66–67 · Journal Article

  15. Ratnayake, A. · 2008

    Kandy area 15.2

    Ceylon Bird Club Notes 2008(February): 26 · Journal Article

  16. Ratnayake, A. · 2008

    Ambawela 13.5; Kandy: lake 17.5; Ampitiya; Near Ragala 26.5

    Ceylon Bird Club Notes 2008(May): 78–79 · Journal Article

  17. Ratnayake, A. · 2009

    Ampitiya 5.5

    Ceylon Bird Club Notes 2009(May): 73 · Journal Article

  18. Ratnayake, A. · 2009

    Tambuttegama 15.8

    Ceylon Bird Club Notes 2009(August): 118 · Journal Article

  19. Ratnayake, A. · 2009

    Ampitiya

    Ceylon Bird Club Notes 2009(June): 88–89 · Journal Article

  20. Ratnayake, A. · 2009

    Ampitiya; Kandy 12.12

    Ceylon Bird Club Notes 2008(December): 174 (2008) · Journal Article

  21. Ratnayake, A. · 2009

    Katugastota: Nawayalatenna 19.3; Ampitiya 20.3; Kandy: Lake 20.3

    Ceylon Bird Club Notes 2009(March): 36 · Journal Article

  22. Ratnayake, A. · 2009

    Kundasale-Menikhinne road 7.7; Ampitiya-Polwatte road 10.7

    Ceylon Bird Club Notes 2009(July): 108 · Journal Article

  23. Ratnayake, A. · 2009

    Adikarigama 20.1; Ampitiya 20–21.1; Kandy: lake 21.1; Nuwara Eliya 23.1

    Ceylon Bird Club Notes 2009(January): 6 · Journal Article

  24. Ratnayake, A. · 2009

    Hanguranketa 2.11; Ampitiya; Kandy: lake 15.11

    Ceylon Bird Club Notes 2009(November): 147–148 · Journal Article

  25. Ratnayake, A. · 2009

    Polwatte road, Ampitiya

    Ceylon Bird Club Notes 2009(September): 126 · Journal Article

  26. Ratnayake, A. · 2016

    Ampitiya-Polwatte road; Arangala-near Kotamale

    Ceylon Bird Club Notes 2016(November): 144–145 · Journal Article

  27. Ratnayake, A. · 2017

    Ampitiya-Polwatte road; Kandy town 20.2; Kandy Lake 25.2

    Ceylon Bird Club Notes 2017(February): 51–52 · Journal Article

  28. Ratnayake, A. · 2021

    [Ampitiya…]

    Ceylon Bird Club Notes 2021(November): 170-171 · Journal Article

  29. Ratnayake, A. · 2021

    Amunugama 12.1; Ampitiya-Polwatte road

    Ceylon Bird Club Notes 2021(January): 6 · Journal Article