Seeing the dark-edged bee-fly hover in mid-air, some people describe it as a tiny, fluffy, flying narwhale. It has a hairy little body and face, and a very long, straw-like tongue. At a glance, it's ...

“This follows the idea of size-matching, where corollas are the right size for a certain type of bee’s proboscis or tongue, allowing it to effectively connect to the flower’s nectar. So, whether a bee ...