Chimpansis of the Gombe Patterns of Behaviour

Tiger salamanders have this developmental process some of them undergo. If the, if larva are too densely populated, some of them will grow radically bigger mouths then and they'll just start eating the other larva target the tiger salamanders. There is evidence among chimpansees of differences in levels of innate aggressiveness. And a documentary called rise of the warrior apes documents one of the populations that's the largest chimpanzi population ever recorded.