Desert ants construct mounds to use as navigational landmarks for finding their way home in the otherwise flat Saharan landscape
The researchers then removed the mounds near some ant nests and followed the insects again. Without the mounds, fewer ants made a successful journey home and the foragers’ nest mates quickly began rebuilding the missing structures.
A monthly celebration of the biodiversity of our planet’s animals, plants and other organisms.and his team replaced the mounds with artificial landmarks – black cylinders the size of large fire extinguishers – they found that the ants didn’t rebuild. “It’s an enormous effort to build such a nest hill. There are hundreds of ants building the whole night,” says Knaden. “So they don’t do it if they don’t have to.
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