As expected, the most frequently observed species -- 11,555 visits in all -- was the Common Eastern Bumble Bee (Bombus impatiens), compared to only 31 observations of the American Bumble Bee.

A common eastern bumblebee ... waste like we do, so bumblebee poo is a thin slurry that’s often bright yellow from undigested pollen.) “It turned out that bee poop naturally fluoresces ...

As expected, the most frequently observed species—11,555 visits in all—was the Common Eastern Bumble Bee (Bombus impatiens), compared to only 31 observations of the American Bumble Bee.