Bumble bees belong to the genus Bombini which are mainly found in temperate climates. With an average length About 1.5 to 2.5 cm. they are black in color with a broad yellow or orange band.
They usually make their shelter on the ground in uninhabited bird or mouse nests.
Bombus species are social bees, with each nest containing a female bee and other male and worker bees.
According to researchers at Queen Mary University of London, bumble bees show social change in their behavior by observing and learning from other bees.