Migratory locusts exist for most of their lives in a “solitary phase” living individually, staying in one area and shying away from other insects. He added: “For locusts, people think they are living from grass and greenery, but they also will very clearly eat each other.” “A fox will eat a dead fox, a rat will definitely eat another rat, a mouse will eat another mouse.” For other species, meat is meat,” said Hansson. “Humans invented ethical rules that stop us from being cannibals, but this is not the general rule in nature. “You could get the locusts to behave more cannibalistically and potentially control themselves in that way,” said Bill Hansson, the director of the Department of Evolutionary Neuroethology at the Max Planck Institute and senior author of the research.Ĭannibalism is widespread in nature.
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