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

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  1. jurek

    Do any birds migrate along an arc?

    Hi, there is quite a lot of publications online showing maps of radio-tracked birds, you can check yourself. They seem to travel between stopovers, and be moved around by wind, plus many (not all!) landbirds avoid crossing long distance over oceans and seabirds avoid landmasses. Therefore not...