Non-native ant species unsettles delicate savanna food ecosystem

ants

Ants milking aphids on a thistle. BIOSPHOTO | DENIS BRINGARD

In Kenya, an unassuming yet invasive ant species is disrupting the intricate balance of an ecosystem, ultimately influencing the hunting patterns of the continent’s most iconic predator, the lion.

A study reveals that a tiny and seemingly innocuous invasive ant species, identified as big-headed ants (Pheidole megacephala), is impacting tree cover in an East African wildlife area, making it harder for lions to hunt its preferred prey, zebra.