Chimpanzee friends fight together to battle rivals

Chimpanzees join their close bond partners – related group members and friends – to battle rivals. Credit: Liran Samuni, Taï Chimpanzee Project Chimpanzees, one of the closest relatives of humans, cooperate on a group level—in combative disputes, they even cooperate with group members to whom they are not related. Those involved in fights with neighboring […]

Beetle keeps rivals off scent of food buried for offspring

This November 2020 photo provided by Dr. Vanessa R. Lane shows a Nicrophorus orbicollis beetle in Georgia. Burying beetles scout for a dead mouse or bird, dig a hole and bury it, pluck its fur or feathers, roll its flesh into a ball and cover it in goop—all to feed their future offspring. Now scientists […]

Mantis shrimp punch down, pick on smaller rivals to steal their homes

A perfect home is hard to find, and some mantis shrimp called “smashers” for their clublike arm work hard to locate one that’s just right. If the home already has an owner, the invader will fight fiercely to evict it.  To find out how aggressively this tiny crustacean will fight to throw out a previous […]