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

Recent content by Alexander Stöhr

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    another mixed gull

    Hello Michal, here you can apply the shape of the black tailband, because its a 1st cycle bird. I see one of uniform wide, favouring Caspian Gull. More, your bird have nearly unmarked whitish axillaries, quite a few YLG have a more patterned underwing. And striped pattern of upperwing, with...
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    hello, birders, I took a bird with some strange features. A hybrid of Motacilla alba with Motacilla cinerea or a strange Motacilla cinerea only?

    Hello, welcome to Birdforum! Thanks for sharing this interesting bird! I havent experience with wagtails from Taiwan (presuming your bird is from there?). (With black legs and such a broad supercilium it is not a pure Grey Wagtail completly lacking yellow, except in the greater coverts)...
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    Gull ID please, Cambridgeshire

    Hello Colin, maybe its better to post this in the ID forum? And do you have more pictures? Preferably showing an open wing? I see why you both picked this candiadate, and when you ID the bird in the field as a YLG than this is a strong point you know, but as you asked my thoughts: many 2nd...
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    UK Gulls

    Hello, with a slight variation in mantle shade in large Gulls (and much more you know), I cant see a confident YLG among your birds. Please note, that many YLG are closer to a Herring Gull than to an average LBBG in mantle shade. Compare to this adult YLG (Schwetzinger Wiesen, SW-Germany...
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    Unknown raptor Les Alpilles (France, Mediterranean) on May 3th, 2024

    Hello Frank, you know I trust original observers much more than such pictures, but if forced in quiz modus, I would opt for a Black Kite. What was your impression in the field? And I wait for more comments!
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    Great Tit and Blue Tit ?

    Hello, welcome to Birdforum! Great Tits with reduced or (nearly) absent yellow tones are quite regular, having a pale cream or rarer greyish belly then. But Great Tits totally lacking yellow hues like your bird are rare. Here is one with reduced yellow (Ziesar, NE-Germany, 30.11.2022) I...
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    Loon? Dunes City, Oregon Coast (Siltcoos River Estuary)

    Hello, yes its a Red throated Loon. Please note slender uptilted bill and white face with an isolated eye
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    Guess the bird-

    Whinchat?
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    Yellow legged Gull ?

    Hello, thanks Harry! Please note, that my part is only the in depth comment, while Lou is the one for in depth comments and confident correct ID. Please note iirc the difference in tail-band is (mostly?)for 1st cycle birds. Such a narrow tail band is regular in 2nd cycle Caspian Gulls (or the...
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    Pipit ID Scotland

    Hello, I agree with Butty. The left bird is a confident Tree Pipit for me. Very good head pattern, smooth warm coloration, short pinkish hind claw (contrasting dark in many (?) Meadow Pipits), and flank streaking finer than breast streaking (yes I agree with you Butty). Right bird looks also...
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    Gull-billed Tern from Camargue

    Hello, thanks for the new Information and the second picture! Your new picture shows a Gull-billed Tern imo by lack of yellow bill tip (and bill seems too short for many Sandwich Terns, yes difficult to judge) And most important: Parker, great to see you commenting again !
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    Brabant Netherlands - Greater Whitethroat maybe...?

    Hello, yes according to literature Greater Whitethroats can regular be extremly difficult to sex. See here: http://blascozumeta.com/specie_files/12750_ENG_Curruca_communis_aranzadi.pdf https://ringersdigiguide.ottenby.se/species/sylvia-communis/sex-spring/ And I was happy with a female...
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    Guess the bird-

    Grey Plover???
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    Guess the bird-

    Black Tern then?
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    Guess the bird-

    So this is a Greenshank? If this is right, I must admit I couldnt have identify it without your help
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