There are 3 species of black bumblebees with red tails in the UK. The one you're most likely to see in gardens is the red-tailed bumblebee. But you may spot the others on your travels. If you want to look closer, here's our handy guide.
Images © Steven Falk
Red-tailed bumblebee
Red-tailed cuckoo bee
Red-shanked carder bee
Lookalikes