Resumen de What's behind chimp 'sacred tree' rituals?
Sightings of chimps using what seems to be a "sacred tree," perhaps for some sort of ritual, have been reported in the Republic of Guinea. Laura Kehoe of the Humboldt University of Berlin, Germany, set up camera traps by trees marked with unusual scratches. What she found gave her goosebumps: chimps were placing stones in the hollow of trees, and bashing trees with rocks. The behavior could be a means of communication, since rocks make a loud bang when they hit hollow trees. Or it could be more symbolic
