Dandelions and bees
The dandelions are out, so it is time to check the bee hives.
The bee colony is inspected to see if the Queen Bee is still there. She may not have survived the winter.
The colony cannot manage without a queen. So, a queenless colony can be put into a hive which has a queen. The hive will benefit by having more workers available to forage.
A book about this subject is:


