Monkeys that adopted an city life-style in India are principally left-handed – in distinction to people and lots of different primates that stay on the bottom.
The findings conflict with long-standing claims that primates that come down from the bushes typically evolve a bent to be right-handed, elevating questions on what actually drives this trait.
The Hanuman langurs (Semnopithecus entellus) – named in honour of Lord Hanuman of Indian mythology…