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

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  1. pbjosh

    Thraupidae

    It’s a good comparison. Instinctively I would “shit on” Dubois’s SE as a species. I am heavily skeptical of the Redpolls (perhaps not a perfect analogy due to climactic influence on morphological expression). And yet somehow I instinctively feel like Tropeiro is likely a good species…...
  2. pbjosh

    Thraupidae

    And yet the bill color difference is consistent. Songs have differentiated as well. One is migratory and the other (plumbea) I believe resident or is it migratory in the S of its range also? And perhaps some bill size differences- not sure if that’s been measured? I also haven’t listened to /...
  3. pbjosh

    Thraupidae

    Proposal (876) to SACC Adjust the English names of Diuca finches
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