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

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  1. emoxley

    bees and bumblebees on hummingbird feeders?

    I've seen bumblebees, honey bees, yellow jackets, and wasps at the feeders, at one time or another. But, I've also seen the hummers run them off. There is something that happens that we haven't figured out why yet. The heat, or the barometric pressure, or something, causes the liquid to expand...
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