1.   Also limiting their abundance is the fact that bees find them difficult to pollinate, Ms. Kennell said.

2.   Bees, of course, are interested in honey too, and when a bee finds a good source of nectar it signals its hive mates where to look.

3.   Bees can find nectar-containing flowers under highly variable lighting conditions, from numerous angles and distances and during different seasons.

4.   Eventually, the bee found its way out, but not before being thoroughly covered with pollen.