A new study highlights the ‘parasitism by theft’ of bumblebees that invade birds’ nests and claim them as their own. Their warning buzz helps bumblebees to “scare” the bird away from the nest. The work by Piotr Jablonski and colleagues, from the Laboratory of Behavioral Ecology and Evolution at Seoul National University in South Korea, is published online in Springer’s journal, Behavioral Ecology & Sociobiology … [Read More]