Footage of great apes has revealed that humans are not the only ones to endure seemingly endless bouts of teasing dished out by their smaller and weaker young who appear intent on pushing their luck.
Recordings of chimps, orangutans, bonobos and gorillas found the animals to be masters of the dubious art, embarking on an impressive range of playful and occasionally somewhat aggressive acts ranging from the cheeky and plain silly to the fabulously irritating.
