How an invasive ant changed a lion’s dinner menu
The impact rippled up from ants to trees to elephants to lions and their prey

When there’s not enough tree cover, lions in the Ol Pejeta Conservancy in Kenya switch from their favorite food — zebra — to buffalo. What’s taking down the trees? Invasive ants, which are messing up the ant-tree mutualism that protects trees from elephants.
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