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

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  1. J

    Siberian Chiffchaff? Switzerland NE, 900 MAMSL, singing

    Thanks a lot for your kind answer and the profound background data. I'm not sufficiently trained on audio analysis to really compare the graphical representation. However when comparing (=listening) my recording to those of "phylloscopus collybita tristis" on xeno-canto.org the acoustic match...
  2. J

    Siberian Chiffchaff? Switzerland NE, 900 MAMSL, singing

    This early morning I noticed a clear short, sad bird call repeated in front of our balcony. First I thought of "some sort of snipe" on the shores of the stream approx. 30 m away, until I noticed a very grey and dull looking Phylloscopus (no green) with dark feet searching food in the top of a...
  3. J

    Possibly Tricolored Heron (Egretta tricolor)

    Thank you for your clear statements! A swiss ornithologist also termed it a Grey Heron - juvenile.
  4. J

    Possibly Tricolored Heron (Egretta tricolor)

    Yesterday I saw a funny looking egret passing a meadow in north-eastern Switzerland. I entered it as an Unidentified Bird" in the swiss bird sighting "ornitho.ch". Here my notes: A dark, blue-gray heron with pale underparts and legs, hint of purple on arm/hand coverts, yellow iris, white just...
  5. J

    Sparrowhawk or E. Goshawk, Falsterbo Sweden

    Appreciate your feedback PW23. Thanks!
  6. J

    Sparrowhawk or E. Goshawk, Falsterbo Sweden

    This photo shows a female sparrowhawk imo. I posted it in my instagram account "jaaserud" recently. A fellow birder however argues it shows a goshawk. The photo was taken last September 30th. during migration in Falsterbo. Bird Observatory stats shows a total of 25'000 passing sparrowhawks and...
  7. J

    Tanzania, Ngorongoro conservation area

    Thank you for sharing your knowledge! I hate to say it, but couldn't a juvenile Variable Sunbird (Cinnyris venustus), an unusual dull specimen, be a possibility? Especially the bill size/shape and also the general appearance/posture seem to be typical Cinnyrus. The Variable S. species was...
  8. J

    Tanzania, Ngorongoro conservation area

    Hi MacNara, Thanks for your valued answer. I find the bill of the Anthreptes in general to be quite a bit shorter and straighter than in my photos?
  9. J

    Tanzania, Ngorongoro conservation area

    Hi Being inexperienced with sunbirds, I find the female White-breasted Sunbird (Cinnyris talatala) as most likely id. Based on the photos and the location, a fellow birder thinks it is a juvenile Eastern Violet-backed Sunbird (Anthreptes orientalis). The photos were taken on the crater rim at...
  10. J

    Lynx joins with Cornell

    The main problem to deal with here is the copyright-question. Do I owe the bird-observations which I’ve added to a platform or can anybody use my data for what they are worth? We enter bird-observations on national aggregation platforms to be shared with other amateur-birders like ourselves...
  11. J

    Africa: Page-scrolling or app

    A big thank you for shearing your thoughts Andy and Andrea! Luckily I've got plenty of time for a thorough trip preparation. Jostein
  12. J

    Africa: Page-scrolling or app

    I much appreciate your answers Andy and Andrea. Thanks a lot. Yes a combination of good old paper and digital information seem to be the best choice. This way I also have a backup medium in case one should get lost, damaged etc. If there are just too many birds at any one time, which I hope...
  13. J

    Africa: Page-scrolling or app

    Hello all, This August/September our family is for the first time going on a booked animal safari in Serengeti-Ngorongoro-Lake Manyara in Tanzania. Being an amateur ornithologist, I am naturally planning on squeezing in as much birding as possible. I am however overwhelmed by the ca. 1000...
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