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

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  1. Z

    Egretta gularis or Egretta garzetta?

    This small, greyish egret was photographed at a very bird-rich location in Pirot, Serbia. At first it was accompanied by E.garzetta egrets and herons, but after they moved on it remained alone. We could not identify this bird positively as we are not familiar with other small egret species or...
  2. Z

    Domestic Mallard or Mallard x Muscovy hybrid?

    These three ducks are continuing birds at one of our city hotspots. I never saw them this close and always assumed that they are just three domestic mallards. However, in this close-up picture the middle white bird shows unusual bill color and head shape is different than in the right-hand white...
  3. Z

    Is this Egretta garzetta or gularis?

    One of our birders made these three photos of a small white heron (egret) in a very well-birded urban hotspot in Belgrade. The most logical choice in our area is Egretta garzetta, although they are already leaving for south (mostly summer visitors). However, several persons remarked that this...
  4. Z

    Several Tringa sandpipers

    Due to a large-scale drought all shorebirds in our area gathered at a few remaining lakes. Many were easily determined but some are a puzzle for us as we cannot rule out vagrants from other regions. These were left unanswered at our local bird id forum.
  5. Z

    Pure Muscovy or Muscovy x Mallard cross?

    This bird is completely new to the location and it was trailing at the end of flock of domestic geese. I am not sure whether it is a juvenile purebreed Muscovy, so caruncles are not properly developed yet, or a Muscovy x Mallard cross (the shape and posture of the head is not quite as in big old...
  6. Z

    Hybrid duck, opinions needed

    This duck (nicknamed Darth Vader) is reported irregularly in our area for more than two years. At first we believed it is a hybrid of some Aythya duck (light colored eye on dark head), but later settled on male hybrid of Aix sponsa x Anas platyrhynchos (he feeds by up-ending and readily joins...
  7. Z

    Sylvia nana or Sylvia deserti? Vagrant, first for Serbia

    Is this Sylvia nana or Sylvia deserti? Vagrant, first for Serbia This morning a warbler that is either Sylvia nana or Sylvia deserti was photographed in Pirot in Serbia. As this must be a long-distance vagrant none of us is experienced with these two species. Please help us determine its...
  8. Z

    Duck in Netherlands

    I have a permission from the author of these pictures to ask for identification. The novice bird photographer took a bunch of pictures on his trip to Netherlands and one of them is this duck. Is this just a domestic mallard, cross between a mallard and some Spatula sp., or a normal individual of...
  9. Z

    Unusual bird resembling an American blackbird, Europe

    This photo was taken in Serbia, Europe. I think it somewhat resembles one of American blackbirds (I am completely unfamiliar with them except in pictures) and if it is, it is either a long-distance vagrant or an escapee. It seems this is the only photo. It was cropped from a larger photo that...
  10. Z

    Yellow-colored "white" mallards?

    I noticed that "white" domestic-type feral mallards at our closest site are quite a bit yellow when compared to other white birds (greylag geese, black-headed gulls) standing next to them, so it is not some coloring in water as other birds would become yellowish too. My friend from another town...
  11. Z

    Small dabbling duck

    Pictures are very poor (as I was actively disrupted by three playful puppies that live on a nearby boat). Bird is to the right in one picture and in the middle of the other one. It is visibly smaller than a Mallard, has light blue bill that looks proportionally long, and the pattern on the...
  12. Z

    Black-backed gull spp?

    Judging by size this is Lesser Black-backed Gull. Any ideas of the subspecies? Picture was taken at Danube in Belgrade, Serbia.
  13. Z

    Moulting magpie or hybrid with Hooded Crow?

    :eek!: I found this strange bird today, in company of several crows and one normal magpie. As you can see it is huge and unusually colored. The head seems to be moulting.
  14. Z

    Mallard or Black Duck or Hybrid?

    Is the dark-backed duck just an unusual Mallard, or some kind of Black Duck or a hybrid? (Picture taken at the confluence of river Sava into Danube)
  15. Z

    Is this Spotted Flycatcher Muscicapa striata?

    This bird appears golden as the sunshine fell that way so it is hard to tell. Picture was taken in Kumodraž, Serbia. https://www.facebook.com/photo.php?fbid=874213966004540&set=a.862674213825182.1073741846.100002478355059&type=3&theater...
  16. Z

    Geese

    One of eBird hotspots in Belgrade, Park Ušće, with some important landmarks and a mixed flock of geese.
  17. Z

    Duck, Danube, Serbia

    This duck was so far photographed by two independent observers. Tends to hide in cover of vegetation, does not like to be photographed. The white undertail points to A.nyroca but the other coloration is unusual. Any ideas?
  18. Z

    eBird in Serbia

    If you are travelling in the Balkans/Pannonian region, you may enter your birding lists in eBird. The list of species entered so far is here: http://ebird.org/ebird/country/RS?yr=all Many locations were added to eBird hotspots so it would be easier for you to decide what location to assign to...
  19. Z

    Nightingale on concrete

    Yesterday I saw a nightingale on a sidewalk of a street. At first I thought about those American small thrushes that look like nightingales, but it was nice enough to turn around 360 degrees so tail and back and breast and head were all clearly visible and it was L.megarhynchos - the same bird...
  20. Z

    Europe birdsong

    Heard a bird singing from the top of a tree. "see-see-serryborry, see-see-serryborry, see" (the "see" part is not prolonged but I don't know how to write the ee sound in English) Then it flew away, high above ground, and far, so I couldn't track it and look for it again. It had a companion...
  21. Z

    Voice ID (European)

    Yesterday I heard a bird calling/singing "tsop.tsop-tsop.tsop tsop.tsop tsooi" (I hope you can follow my try to write it in English, in my language it would be "cop.cop-cop.cop cop.cop cui") It was tsop with o, not the familiar tsip with i/ee that many birds make. Tsooi was cu-i but joined with...
  22. Z

    Is this Mallard/Wood Duck hybrid?

    My friend gave me permission to post her album here to check if this bird is Mallard/Wood Duck hybrid...
  23. Z

    Zheljko's list for 2014

    My last bird for 2013 was Common/Eurasian Magpie Pica pica, seen from my window as it was flying downhill to its night roost at 3:48 PM, December 31st, 2013. :clap: And now on to 2014. |:D|
  24. Z

    Are these Harris' Hawks?

    They somewhat resemble the picture of Harris Hawk in the DK book "Birds of the World" http://upload.wikimedia.org/wikipedia/commons/b/ba/Kragujevac_city_Coat_of_Arms.jpg
  25. Z

    Reddish Aythya, maybe hybrid

    I saw an unusual drake so can you please share some sites with various plumages of male Aythya (I mostly managed to google the female plumages). This bird was similar to Tufted (with clear separation of darker head/breast and lighter lower chest and belly), with whitish eye and visible reddish...
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