[Leps-l] monarch census

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Bill Cornelius

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Feb 3, 2020, 3:16:30 PM2/3/20
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Hi People:

This is an idea for quickly counting banded butterflies. band them with a different color spot at each banding station instead of a number or barcode. then take a video or hi res image of the roost through band pass filters that allow those colors. count the spots w/ an algorithm. is there any need for this?

thanks
Bill :)
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