Carl Zimmer at the New York Times:
On Thursday, a group of researchers reported that the Ugandan chimps are locked in a primate version of civil war. Two factions split about a decade ago and have been engaged in a highly lethal conflict ever since.
Scientists have never seen such widespread, long-running bloodshed among chimpanzees. Further studies may shed light on the roots of warfare in our own species, although the Trump administration’s proposed budget, released on Friday, has cast doubt on whether the research will continue.
When scientists first started tracking the Ngogo chimpanzees, the first thing that struck them was the sheer number of apes: over 100 across a territory of about 10 square miles.
More here.
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