Strategy, not habitat loss, leads chimps to kill rivals
Human impacts on the apes have not increased their violence
![Chimpanzee male named Titan](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2014/09/bb_chimp_feat.jpg?fit=860%2C460&ssl=1)
BAD DUDE Chimpanzee males, such as Titan shown here, kill stray members of nearby communities whom they perceive as rivals for food and mates, a new study finds.
Ian Gilby