This has led several countries across the ants’ range, including Germany, to designate them as a protected species by law. Today Arndt’s photo quest has taken on new meaning. His images ...

Argentine ants are territorially aggressive creatures with a simple strategy—suffocate and conquer. They swarm their targets with precision, outflanking and encircling them in a coordinated ...

when they encountered ants from a nest they had previously experienced as aggressive, they behaved more aggressively towards them than towards ants from nests unknown to them. Ants that ...