Meat ant a number of dead or alive animals, including metamorphic crucifix toads, snakes, lizards, and birds. On some occasions, swarms of workers have been found on dead foxes. The meat ant is the only known ant in Australia that feeds on fresh guano. The collection of guano by a nearby meat ant colony shows the opportunistic nature of the species. Observations show that trails of workers in groups of two to four were found collecting the guano under an active bat roost within an abandoned mine and proceeded to return it to the nest. The collection of guano by any Australian
Green-head ant myrmecophilous insects such as the beetle "Chlamydopsis longipes" are sometimes seen living inside colonies. Green-head ant males are produced irregularly throughout the year and are low-flying ants. Recorded nuptial flights begin between September to November at temperatures of 20–25 °C (68–77 °F), when a number of males begin to emerge from their nest. Sometimes, however, the males may return to their nest after briefly appearing outside. The green-head ant is a gamergate species, which means that males can successfully mate with the workers. These workers remain outside their nest with their head and thorax appressed and gaster elevated into the