What were the bees doing in the grape hyacinths?

Readers answer other readers’ questions on subjects ranging from trivial flights of fancy to profound scientific conceptsRecently I watched one dark brown (almost black) bee being closely escorted by six light brown bees, which stayed within a few inches of the dark bee while it enjoyed some grape hyacinths. Were they protecting a queen or was there some other reason?Jill Bennett, St Albans, Herts Continue reading...