Conclusive evidence that it’s a dog-eat-dog world comes from New Scientist, which has obtained film of Australian dingo dogs eating each other.
Dingoes, nocturnal eaters, are a real nuisance in Australia.
Several cases of dingoes chomping their dead cousins have been filmed.
Packs have also been filmed circling still-living dogs caught in traps set by humans.
Picture source: purpleairplane via Wikimedia Commons