Group of Bees - 3 different 'types'

Group of Bees - 3 different 'types'

Observation - Group of Bees - 3 different 'types'. Description: I came across a recent large mammal 'hole' in the grassland surrounding a car park and in it was a moving pile of around 8-10 bees. They were climbing all over each other; often in one big pile before one would fly off. There was one large bee which was

I came across a recent large mammal 'hole' in the grassland surrounding a car park and in it was a moving pile of around 8-10 bees. They were climbing all over each other; often in one big pile before one would fly off. There was one large bee which was black all over with an orange bottom, several small identical bees with orange bottoms and then several small identical bees with yellow bottoms. I have a few videos too as they were waggling to each other as well.