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ZEISS DTI thermal imaging cameras. For more discoveries at night, and during the day.

Recent content by Bertus

  1. Bertus

    Limburg Netherlands - Icterine Warbler ...?

    This is the photo of the other observer on the same spot, almost same day a year before. Indeed difficult to differentiate and like with Willow Warbler better record sound in the future. Tnx again.
  2. Bertus

    Limburg Netherlands - Icterine Warbler ...?

    Yes Ken, that is true. Only that the Melodious is quite rare here... The Icterine is observed about 20 times more in the Netherlands, most on some specific locations. This one was not shy at all. Nevertheless I just found a pic of the Melodious W., with exactly the same location. That might...
  3. Bertus

    Limburg Netherlands - Icterine Warbler ...?

    Today, lots of small berches next to large fen, protected area.. Merlin identified the bird as an Icterine Warbler by sound. I guess it is right. Tnx for advice...
  4. Bertus

    Limburg Netherlands - Goose unknown ....?

    Tnx for that. And special for nesting at 4 to 5000 meter. Breeding pairs in the Netherlands: 70-100 (in 2000) I find. So quite rare. Nice...
  5. Bertus

    Limburg Netherlands - Goose unknown ....?

    Today at fen, bit grey weather, two of them, but far away. Difficult to see, but apparently they have a white head with a black stripe over the head, dark grey to light grey neck, yellow beak, and on one of them (copy 2) there is a vertical white stripe on the side of the neck visible. I can't...
  6. Bertus

    Erawan NP Thailand - Leafbird, which one...?

    Early morning.. November 17th 2023. Golden-fronted Leafbird I have found before. But the difference between Golden-fronted and Blue-winged L. is hard to tell. Except that the latter has got more orange forehead, more yellow with the Golden-fronted Leafbird. Pics bit far away.... Somebody knows...
  7. Bertus

    Erawan NP Thailand - Common or Greater Flameback...?

    Late afternoon in the NP. Seen before, quite common. Not completely clear which one exactly...but there is a third black line separating the white from the red that could distinguish: Greater Flameback, could that be right? Tnx for advice
  8. Bertus

    Kanchanaburi Thailand - Some kind of Drongo...?

    Again November 16th of 2023.. Near the river. I doubt, could be Black or Crow-billed or Bronzed Drongo... If it is a Drongo at all. Since there is some white on the belly it could be an immature Black Drongo perhaps. Anybody? Tnx for help
  9. Bertus

    Kanchanaburi Thailand - Chestnut-tailed Starling or..?

    November 16th 2023, on the bank of the River Kwai. After the familiar Black-collared and Asian Pied Starling, this looks like my third Starling species. Is it? Tnx for help
  10. Bertus

    Mae Wong NP Thailand - White-necked Laughingthrush, not White-crested...?

    November 24, last year, near the Chong Yen camping. White-crested we found often before. In flocks and very noisy, not shy at all. But this one, with the same behaviour, was a bit more difficult to ID. Only when I put more light and colour in the pic's somewhere they started to look like...
  11. Bertus

    West Thailand birds

    Hi S, Mae Wong is very good for birding. I was there last year November. We found Golden Marten too and quite some birds... I looked at the Avibase checklist for Mae Wong NP: Mae Wong National Park bird checklist - Avibase - Bird Checklists of the World There are 7 different species of Minivet...
  12. Bertus

    Brabant Netherlands - Wood Lark, not Skylark...?

    This morning, same location as in my last two threads. Merlin sound ID showed both species, I found only one, I guess is a Wood Lark, judging from the stripe above the eye, size of tail and apparently lacking crest.Is that correct? Tnx for advice
  13. Bertus

    West Thailand birds

    Hi S, could you specify which mountains near Myanmar? Only judging by numbers of obs (eBird, book) Grey-chinned would be more likely... Therefore exact location is needed...
  14. Bertus

    Brabant Netherlands - Garden Warbler ?

    This morning. Same area like the Redstart in my other thread. Not very shy, repeated calling, still bit difficult to spot. Merlin identified Garden and Willow Warbler by sound at this place. I think Willow W. would be more grey, not brown like this, so I go for indeed a Garden Warbler. Is that...
  15. Bertus

    Brabant Netherlands - female Common Redstart ?

    Tnx Butty, that is the next one I hope to find....
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