5 ms·Ask HN: Which sensors can be used to detect bees and butterflies?2 points by xstartup 9y agooblib 9y agoI imagine that both image and sound recognition could be used.Amir6 9y agoDepending on where you are trying to find them, a Red Edge or NIR sensor can also help. I have done this for a project way back so let me know if you like to have a conversation about it.