Ants can accidentally misinterpret the chemical trails left by other ants and start walking in circles. If too many members of the colony join in, it can kill the whole colony in what is sometimes known as the ‘Death Spiral.’

The bumblebee does not die when it stings—it can sting again and again. In bumblebee hives, the entire colony, except for the queen, dies at the end of each summer. Each year an entirely new colony of bees must be produced.