REPORTED in the Atlantic Weekly by journalist Robin Shulman, bees have been returning to their hives with red coloured nectar. The nectar was tested and the results were Red Dye No. 40. It turns out this phenomenon is not new. It was reported over 100 years ago by A.I. Root Company who kept 28 hives on the roof of a building near two big candy factories.
Bees on other occasions make odd choices, instead of pollen they have been know to gather fine yellow wood shavings from woodyards, cornmeal from animal feed, drink the cherry syrup and slurp the beads of liquid condensation from air conditioners. Read this article